LG E960 Nexus 4 Mako Service Manual

313
Internal Use Only Service Manual LG-E960 Date: November, 2012 / Issue 1.0

Transcript of LG E960 Nexus 4 Mako Service Manual

  • Internal Use Only

    Service ManualLG-E960

    Date: November, 2012 / Issue 1.0

  • - 2 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Table Of Contents

    1. INTRODUCTION ..................................................................... 31.1 Purpose ........................................................................................................3

    1.2 Regulatory Information .........................................................................3

    2. PERFORMANCE ...................................................................... 52.1 Product Name ............................................................................................5

    2.2 Supporting Standard ..............................................................................5

    2.3 Main Parts : GSM Solution .....................................................................5

    2.4 HW Features ...............................................................................................6

    2.5 HW SPEC. ................................................................................................. 10

    3.CIC_AND SERVICE CENTER .................................................. 253.1 CIC FAQ ...................................................................................................... 25

    4. TROUBLE SHOOTING .......................................................... 414.1 RF Component ....................................................................................... 41

    4.2 SIGNAL PATH ........................................................................................... 44

    4.3 Checking TCXO Block ........................................................................... 47

    4.4 Checking FEMID (GSM QUAD, WB1/B2/B4/B5/B8) Block ...... 50

    4.5 Checking WCDMA Block .................................................................... 53

    4.6 Checking GSM Block ..........................................................................100

    4.7 GPS/WIFI/BT Module ..........................................................................115

    4.8 GPS/WIFI/BT SIGNAL PATH ..............................................................117

    4.9 Checking GPS/WIFI/BT ......................................................................118

    4.10 Audio troubleshooting ...................................................................124

    4.11 8M AF Camera Trouble Shooting ...............................................132

    4.12 Main LCD trouble ..............................................................................135

    4.13 Touch trouble .....................................................................................139

    4.14 Vibrator Troubleshooting ..............................................................141

    4.15 Gyro Sensor troubleshooting ......................................................144

    4.16 Compass sensor troubleshooting ..............................................146

    4.17 Proximity Sensor on/off trouble .................................................149

    4.18 Light Sensor on/off trouble ..........................................................151

    4.19 Pressure Sensor troubleshooting ...............................................153

    4.20 Wireless Charging troubleshooting ..........................................156

    4.21 NFC Troubleshooting ......................................................................158

    4.22 Power ON Troubleshooting ..........................................................164

    4.23 Charger Troubleshooting ..............................................................168

    5. DOWNLOAD ....................................................................... 172

    6. BLOCK DIAGRAM ............................................................... 189

    7. CIRCUIT DIAGRAM ............................................................ 206

    8. BGA PIN MAP .................................................................... 224

    9. PCB LAYOUT ....................................................................... 236

    10. CALIBRATION ................................................................... 238

    11. DISASSEMBLE GUIDE ...................................................... 258

    12. EXPLODED VIEW & REPLACEMENT PART LIST ............. 26512.1 EXPLODED VIEW ................................................................................265

    12.2 Replacement Parts ...........................................................................268

    12.3 Accessory .............................................................................................313

  • - 3 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1. INTRODUCTION

    LGE Internal Use Only

    1.1 Purpose This manual provides the information necessary to repair, calibration, description and download the features

    of this model.

    1.2 Regulatory Information

    A. Security

    Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example,

    persons other than your companys employees, agents, subcontractors, or person working on your

    companys behalf) can result in substantial additional charges for your telecommunications services.

    System users are responsible for the security of own system. There are may be risks of toll fraud associated

    with your telecommunications system. System users are responsible for programming and configuring the

    equipment to prevent unauthorized use. The manufacturer does not warrant that this product is immune

    from the above case but will prevent unauthorized use of common carrier telecommunication service of

    facilities accessed through or connected to it. The manufacturer will not be responsible for any charges that

    result from such unauthorized use.

    B. Incidence of Harm

    If a telephone company determines that the equipment provided to customer is faulty and possibly causing

    harm or interruption in service to the telephone network, it should disconnect telephone service until repair

    can be done. A telephone company may temporarily disconnect service as long as repair is not done.

    C. Changes in Service

    A local telephone company may make changes in its communications facilities or procedure. If these

    changes could reasonably be expected to affect the use of the phones or compatibility with the net work, the

    telephone company is required to give advanced written notice to the user, allowing the user to take

    appropriate steps to maintain telephone service.

    D. Maintenance Limitations

    Maintenance limitations on the phones must be performed only by the manufacturer or its authorized agent.

    The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore,

    note that unauthorized alternations or repair may affect the regulatory status of the system and may void

    any remaining warranty.

    1. INTRODUCTION

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    LGE Internal Use Only

    1. INTRODUCTION

    LGE Internal Use Only

    E. Notice of Radiated Emissions

    This model complies with rules regarding radiation and radio frequency emission as defined by local

    regulatory agencies. In accordance with these agencies, you may be required to provide information such as

    the following to the end user.

    F. Pictures

    The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different.

    G. Interference and Attenuation

    A phone may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from

    unsuppressed engines or electric motors may cause problems.

    H. Electrostatic Sensitive Devices

    ATTENTION

    Boards, which contain Electrostatic Sensitive Device (ESD), are indicated by the sign.

    Following information is ESD handling:

    Service personnel should ground themselves by using a wrist strap when exchange system boards. When

    repairs are made to a system board, they should spread the floor with anti-static mat which is also grounded.

    Use a suitable, grounded soldering iron. Keep sensitive parts in these protective packages until these are

    used.

    When returning system boards or parts like EEPROM to the factory, use the protective package as described.

  • 2. PERFORMANCE

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    LGE Internal Use Only

    2.1 Product Name

    LG-E960 : WCDMA850/900/1700/1900/2100+EGSM/GSM850/DCS/PCS

    (HSPA+ 42Mbps / GPRS Class 10 / EDGE Class 10)

    2.2 Supporting Standard

    Item Feature Comment

    Supporting Standard

    WCDMA(FDD1,2,4,5,8)/EGSM/GSM850/DCS1800/PCS1900

    Frequency Range WCDMA(FDD1) TX : 1920 1980 MHz

    WCDMA(FDD1) RX : 2110 2170 MHz

    WCDMA(FDD2) TX : 1850 1910 MHz

    WCDMA(FDD2) RX : 1930 1990 MHz

    WCDMA(FDD4) TX : 1710 - 1755 MHz

    WCDMA(FDD4) RX : 2110 2155 MHz

    WCDMA(FDD5) TX : 824 - 849 MHz

    WCDMA(FDD5) RX : 869 894 MHz

    WCDMA(FDD8) TX : 880 - 915 MHz

    WCDMA(FDD8) RX : 925 960 MHz

    EGSM TX : 880 915 MHz

    EGSM RX : 925 960 MHz

    GSM850 TX : 824 849 MHz

    GSM850 RX : 869 894 MHz

    DCS1800 TX : 1710 1785 MHz

    DCS1800 RX : 1805 1880 MHz

    PCS1900 TX : 1850 1910 MHz

    PCS1900 RX : 1930 1990 MHz

    Application Standard WAP 2.0

    2.3 Main Parts : GSM Solution

    Item Part Name Comment

    Digital Baseband APQ8064: Qualcomm

    Analog Baseband MDM9215M : Qualcomm

    RF Chip WTR1605L : Qualcomm

    2. PERFORMANCE

    2.1 Product Name

    2.2 Supporting Standard

    LG-E960 : WCDMA850/900/1700/1900/2100+EGSM/GSM850/DCS/PCS

    (HSPA+ 42Mbps / GPRS Class 10 / EDGE Class 10)

    2.3 Main Parts : GSM Solution

  • 2. PERFORMANCE

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    2.4 HW Features

    Item Feature Comment

    Form Factor DOP type

    Battery

    1) Capacity

    Standard : Li-Ion, 2150mAh

    2) Packing Type Embeded : Soft Pack

    Size Standard :

    133.9 X 68.7 X 9.1

    Weight 136g With Battery

    RX sensitivity

    WCDMA(FDD1) : -109 dBm

    WCDMA(FDD5) : -109 dBm

    WCDMA(FDD8) : -109 dBm

    WCDMA(FDD2) : -109 dBm

    WCDMA(FDD4) : -109 dBm

    EGSM : -109 dBm

    GSM850 : -109 dBm

    DCS 1800 : -109 dBm

    PCS 1900 : -109 dBm

    TX output power

    WCDMA

    GSM

    GPRS

    WCDMA B1,4,5,8 :

    23dBm/3.84MHz,+1/-3dBm

    WCDMA B2 : 22.5dBm/3.84MHz,+1/-

    3dBm

    EGSM : 33dBm

    GSM850 : 33 dBm

    DCS1800 : 30dBm

    PCS 1900: 29.5 dBm

    EDGE compatibility GPRS Class 12

    SIM card

    type

    EDGE

    Class

    10

    Class3(WCDMA)

    Class4 (EGSM)

    Class4 (GSM850)

    Class1 (PCS)

    Class1 (DCS)

    Plug-

    In SIM

    3V

    /1.8V

    E2 (GSM900)

    E2 (PCS)

    E2 (DCS)

    2.4 HW Features

  • 2. PERFORMANCE

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    Display

    Main LCD

    TFT Main LCD

    (4.67, 768 X 1280 Pixels)

    Built-in Camera 8M AF + 1.3M VT

    Status Indicator Yes

    Keypad Full Touch Screen

    Side Key : 3

    Side Key : Power On

    Volume up/down

    ANT Main : Internal Fixed Type

    System connector 5 Pin u-USB

    Ear Phone Jack 3.5 pi type

    PC synchronization Yes

    Memory 16Gb(SDRAM DDR2)

    + 16GB eMMC

    Speech coding FR, EFR, HR,AMR

    Vibrator Built in Vibrator

    Blue Tooth Bluetooth 4.0+EDR

    MIDI(for Buzzer

    Function) SW Decoded 72Poly

    Music Player MP3/WMA/AAC/MIDI/EAAC+/HE

    AAC/OGG

    Video Player MPEG4, H.264

    Camcorder MPEG4 or H.263

    Voice Recording Yes

    Speaker Phone mode

    Support Yes

    Travel Adapter Yes

    CDROM No

    Stereo Headset Yes Data Cable Yes

    T-Flash

    (External Memory) No

  • 2. PERFORMANCE

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    LGE Internal Use Only

    1) RSSI Display

    Measure RSSI after 10 seconds if you change power.

    2) Charging Time210 minutes under

    3) Travel Charger

    Input : 100 ~ 240 V, 50/60 Hz

    Output : 5.1V, 1200 mA

    LGE Internal Use Only

    1) RSSI Display

    WCDMA Spec(dBm) RSSI Bars

    -89 RSSI 4

    -96 RSSI < -89 3

    -102 RSSI < -96 2

    -106 < RSSI < -102 1

    RSSI -106 0

    Measure RSSI after 10 seconds if you change power.

    GSM Spec(dBm) RSSI Bars

    -91 RSSI 4

    -99 RSSI < -91 3

    -106 RSSI < -99 2

    -110 < RSSI < -106 1

    RSSI -110 0

    Measure RSSI after 10 seconds if you change power. 2) Charging Time 210 minutes under 3) Travel Charger Input : 100 ~ 240 V, 50/60 Hz Output : 5.1V, 1200 mA

    Measure RSSI after 10 seconds if you change power.

  • 2. PERFORMANCE

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    LGE Internal Use Only

    4) Battery Type Li-ion Battery Pack, 2100 mAh Standard Voltage : 3.7 V, Battery Full Charge Voltage : 4.1V ~ 4.25V

    5) Current Consumption Item WCDMA Only GSM Only Comment

    Standby 9mA (DRX 7) 8.5mA(PP=5)

    GPS & Wifi Off

    Neighborhood

    Cell Off,

    LCD Off

    Talk Mode

    - Max Pwr :

    600mA @ Avg

    - Tx 10dBm :

    400 mA @ Avg 400mA(Tx Lvl: 5)

    GPS & Wifi Off

    Neighborhood

    Cell Off,

    Power Off 300uA 300uA

    6) Battery Bar Battery Bar Specification Battery Bar Specification

    Bar 20(Full) 98% above Bar 9 -> Bar 8 43% -> 42%

    Bar 20 -> Bar 19 98% -> 97% Bar 8 -> Bar 7 38% -> 37%

    Bar 19 -> Bar 18 93% -> 92% Bar 7 -> Bar 6 33% -> 32%

    Bar 18 -> Bar 17 88% -> 87% Bar 6 -> Bar 5 28% -> 27%

    Bar 17 -> Bar 16 83% -> 82% Bar 5 -> Bar 4 23% -> 22%

    Bar 16 -> Bar 15 78% -> 77% Bar 4 -> Bar 3 18% -> 17%

    Bar 15 -> Bar 14 73% -> 72% Bar 3 -> Bar 2 13% -> 12%

    Bar 14 -> Bar 13 68% -> 67% Bar 2 -> Bar 1 8% -> 7%

    Bar 13 -> Bar 12 63% -> 62% Bar 1 -> Bar 0 3% -> 2%

    Bar 12 -> Bar 11 58% -> 57% Power off 1% below

    Bar 11 -> Bar 10 53% -> 52% Low battery pop-up 15% , 5%, 0%

    Bar 10 -> Bar 9 48% -> 47%

    Item WCDMA Only GSM Only Comment

    Standby 9 mA (DRX7) 8.5 mA(PP=5)

    GSP & Wifi OffNelghborhood

    Cell Off,LCD Off

    Talk Mode

    - Max Pwr : 600 mA @ Avg

    - Tx 10 dBm : 400 mA @ Avg

    400 mA(Tx Lvl : 5 ) GSP & Wifi OffNelghborhood

    Cell Off

    Power Off 300 uA 300 uA

    4) Battery Type

    Li-ion Battery Pack, 2100 mAhStandard Voltage : 3.7 V, Battery Full Charge Voltage : 4.1V ~ 4.25V

    5) Current Consumption

    6) Battery Bar

  • 2. PERFORMANCE

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    2.5 HW SPEC. 1) GSM transceiver specification

    Item Specification

    Phase Error

    Rms : 5

    Peak : 20

    Frequency Error

    GSM : 0.1 ppm

    DCS/PCS : 0.1 ppm

    EMC(Radiated Spurious Emission Disturbance) GSM/DCS : < -28dBm

    Transmitter Output power and Burst Timing

    GSM : 5dBm 33dBm 3dB

    DCS/PCS : 0dBm 30dBm 3dB

    Burst Timing

  • 2. PERFORMANCE

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    2) WCDMA transmitter specification

    Item Specification

    Transmit Frequency

    Band1 : 1920 MHz ~ 1980 MHz

    Band5 : 824 - 849 MHz

    Band2 : 1850 - 1910 MHz

    Band4 : 1710 - 1755 MHz

    Band8 : 880 - 915 MHz

    Maximum Output Power +23 dBm / 3.84 MHz, +1 / -3 dB

    Frequency Error within 0.1 PPM

    Open Loop Power Control Normal Conditions : within 9 dB,

    Extreme Conditions : within 12 dB

    Minimum Transmit Power < -50 dBm /3.84 MHz

    Occupied Bandwidth < 5 MHz at 3.84 Mcps (99% of power)

    Adjacent Channel Leakage

    Power Ratio (ACLR)

    > 33 dB @ 5 MHz,

    > 43 dB @ 10 MHz

    Spurious Emissions

    |f-fc| > 12.5 MHz

    < -36 dBm / 1 kHz RW @ 9 kHz f < 150 kHz

    < -36 dBm / 10 kHz RW @ 150 KHz f < 30 MHz

    < -36 dBm / 100 kHz RW @ 30 MHz f < 1 GHz

    < -30 dBm / 1 MHz RW @ 1 GHz f < 12.75 GHz

    < -60 dBm / 3.84 MHz RW @ 869 MHz f 894 MHz

    < -60 dBm / 3.84 MHz RW @ 1930 MHz f 1900 MHz

    < -60 dBm / 3.84 MHz RW @ 2110 MHz f 2155 MHz

    < -67 dBm / 100 kHz RW @ 925 MHz f 935 MHz

    < -79 dBm / 100 kHz RW @ 935 MHz < f 960 GHz

    < -71 dBm / 100 kHz RW @ 1805 MHz f 1880 MHz

    < -41 dBm / 300 kHz RW @ 1884.5 MHz < f < 1919.6 MHz

    Transmit Intermodulation < -31 dBc @ 5 MHz & < -41 dBc @ 10 MHz

    when Interference CW Signal Level = -40 dBc

    Error Vector Magnitude < 17.5 %, when Pout -20 dBm

    Peak Code Domain Error < -15 dB at Pout -20 dBm

    2) WCDMA transmitter specification

  • 2. PERFORMANCE

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    LGE Internal Use Only

    3) WCDMA receiver specification

    LGE Internal Use Only

    3) WCDMA receiver specification

    Item Specification

    Receive Frequency

    Band1 : 2110 ~ 2170 MHz

    Band5 : 869~894MHz

    Band2 : 1930 - 1990 MHz

    Band4 : 2110 - 2155 MHz

    Band8 : 925 - 960 MHz

    Reference Sensitivity Level Band1 : BER < 0.001 when or = -106.7 dBm / 3.84 MHz

    Band4 : BER < 0.001 when or = -103.7 dBm / 3.84 MHz

    Maximum Input Level BER < 0.001 when or = -25 dBm / 3.84 MHz

    Adjacent Channel Selectivity

    (ACS)

    ACS > 33 dB where BER < 0.001 when

    or = -92.7 dBm / 3.84 MHz

    & Ioac = 52 dBm / 3.84 MHz @ 5 MHz

    Blocking Characteristic

    BER < 0.001 when or = -103.7 dBm / 3.84 MHz

    & Iblocking = -56 dBm / 3.84 MHz @ Fuw(offset) = 10 MHz

    or Iblocking = -44 dBm / 3.84 MHz @ Fuw(offset) = 15 MHz

    Spurious Response BER < 0.001 when or = -103.7 dBm / 3.84 MHz

    & Iblocking = -44 dBm

    Intermodulation

    BER < 0.001 when or= -103.7 dBm / 3.84 MHz

    & Iouw1 = -46 dBm @ Fuw1(offset) = 10 MHz

    & Iouw2 = -46 dBm / 3.84 MHz @ Fuw2(offset) = 20 MHz

    Spurious Emissions < -57 dBm / 100 kHz BW @ 9 kHz f < 1 GHz

    < -47 dBm / 1 MHz BW @ 1 GHz f 12.75 GHz

    Inner Loop Power Control

    In Uplink

    Adjust output(TPC command)

    cmd 1dB 2dB 3dB

    +1 +0.5/1.5 +1/3 +1.5/4

    0 -0.5/+0.5 -0.5/+0.5 -0.5/+0.5

    -1 -0.5/-1.5 -1/-3 -1.5/-4

    group(10equal command group)

    +1 +8/+12 +16/+24

  • 2. PERFORMANCE

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    LGE Internal Use Only

    4) HSDPA transmitter specification

    LGE Internal Use Only

    4) HSDPA transmitter specification Item Specification

    Transmit Frequency

    Band1 : 1920 MHz ~ 1980 MHz

    Band5 : 824MHz~849 MHz

    Band2 : 1850 - 1910 MHz

    Band4 : 1710 - 1755 MHz

    Band8 : 880 - 915 MHz

    Maximum Output Power

    Sub-Test

    1=1/15, 2=12/15 21~25dBm / 3.84 MHz

    3=13/15 4=15/8 20~25dBm / 3.84 MHz

    5=15/7 6=15/0 19~25dBm / 3.84 MHz

    HS-DPCCH

    Sub-test in table

    C.10.1.4

    Power step

    Power step slot boundary

    Power step

    size, P [dB]

    Transmitter power step tolerance [dB]

    5

    1 Start of Ack/Nack

    6 +/- 2.3

    2 Start of CQI 1 +/- 0.6

    3 Middle of CQI 0 +/- 0.6

    4 End of CQI 5 +/- 2.3

    Spectrum Emission Mask

    Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0

    Frequency offset from carrier f Minimum requirement

    Measurement Bandwidth

    2.5 ~ 3.5 MHz -35-15(f-2.5)dBc 30 kHz

    3.5 ~ 7.5 MHz -35-1(f-3.5)dBc 1 MHz

    7.5 ~ 8.5 MHz -35-10(f-7.5)dBc 1 MHz

    8.5 ~ 12.5 MHz -49dBc 1 MHz

    Adjacent Channel Leakage

    Power Ratio (ACLR)

    Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0

    > 33 dB @ 5 MHz

    > 43 dB @ 10 MHz

    Error Vector Magnitude < 17.5 %, when Pout -20 dBm

  • 2. PERFORMANCE

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    LGE Internal Use Only

    5) HSDPA receiver specification

    Item Specification

    Receive Frequency

    Band1 : 2110 ~ 2170 MHz

    Band4 : 869 ~ 894Hz

    Band2 : 1930 - 1990 MHz

    Band4 : 2110 - 2155 MHz

    Band8 : 925 - 960 MHz

    Maximum Input Level

    (BLER or R), 16QAM Only

    Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0

    BLER < 10% or R >= 700kbps

    5) HSDPA receiver specification

  • 2. PERFORMANCE

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    6) WLAN 802.11b transceiver specification

    LGE Internal Use Only

    6) WLAN 802.11b transceiver specification

    Item Specification

    Transmit Frequency 2400 MHz ~ 2473.5 MHz ( CH1~CH11 ) (USA)

    2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)

    Tx Power Level 20dBm under

    Frequency Tolerance within 25 PPM

    Chip clock Frequency

    Tolerance within 25 PPM

    Spectrum Mask -30 @ fc-22MHz< f

  • 2. PERFORMANCE

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    LGE Internal Use Only

    7) WLAN 802.11g transceiver specification

    LGE Internal Use Only

    7) WLAN 802.11g transceiver specification

    Item Specification

    Transmit Frequency 2400 MHz ~ 2473.5 MHz ( CH1~CH11 )

    2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)

    Tx Power Level 20dBm

    Frequency Tolerance within 25 PPM

    Chip clock Frequency

    Tolerance within 25 PPM

    Spectrum Mask

    -20 @ 11MHz offset (9Mhz ~ 11MHz)

    -28 @ 20MHz offset (11MHz ~ 20Mhz)

    -40 @ 30MHz offset (20MHz ~ 30Mhz)

    Transmitter constellation error

    (rms EVM) -5dB

    Spurious Emissions

    < -36 dBm @ 30MHz ~ 1GHz

    < -30 dBm above @ 1GHz ~ 12.75GHz

    < -47 dBm @ 1.8GHz ~ 1.9GHz

    < -47 dBm @ 5.15GHz ~ 5.3GHz

    Rx Min input Sensitivity

    PER 10%

    -82dBm@6Mbps, -81dBm@9Mbps, -79dBm@12Mbps

    -77dBm@18Mbps, -74dBm@24Mbps, -70dBm@36Mbps

    -66dBm@48Mbps, -65dBm@54Mbps

    Rx Max input Sensitivity -20dBm(6,9,12,18,24,36,48,54Mbps) @ PER 10%

    Rx Adjacent Channel

    Rejection

    PER 10%,

    ACR 16dB@6Mbps, ACR 15dB@9Mbps,

    ACR 13dB@12Mbps, ACR 11dB@18Mbps,

    ACR 8dB@24Mbps, ACR 4dB@36Mbps

    ACR 0dB@48Mbps, ACR -1dB@54Mbps

    ACR shall be measured by setting the desired signal's strength 3 dB above the rate-dependent

    sensitivity specified in min input sensitivity

  • 2. PERFORMANCE

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    LGE Internal Use Only

    8) WLAN 802.11n transceiver specification

    Item Specification

    Transmit Frequency 2400 MHz ~ 2473.5 MHz ( CH1~CH11 )

    2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)

    Tx Power Level 20dBm

    Frequency Tolerance within 25 PPM

    Chip clock Frequency

    Tolerance within 25 PPM

    Spectrum Mask

    -20 @ 11MHz offset (9Mhz ~ 11MHz)

    -28 @ 20MHz offset (11MHz ~ 20Mhz)

    -45 @ 30MHz offset (20MHz ~ 30Mhz)

    Transmitter constellation error

    (rms EVM) -5dB

    Spurious Emissions

    < -36 dBm @ 30MHz ~ 1GHz

    < -30 dBm above @ 1GHz ~ 12.75GHz

    < -47 dBm @ 1.8GHz ~ 1.9GHz

    < -47 dBm @ 5.15GHz ~ 5.3GHz

    Rx Min input Sensitivity

    PER 10%

    [email protected], -79dBm@13Mbps, [email protected]

    -74dBm@26Mbps, -70dBm@39Mbps, -66dBm@52Mbps

    [email protected], -64dBm@65Mbps

    Rx Max input Sensitivity -20dBm(6,9,12,18,24,36,48,54Mbps) @ PER 10%

    Rx Adjacent Channel

    Rejection

    PER 10%,

    ACR [email protected], ACR 13dB@13Mbps,

    ACR [email protected], ACR 8dB@26Mbps,

    ACR 4dB@39Mbps, ACR 0dB@52Mbps

    ACR [email protected], ACR -2dB@65Mbps

    ACR shall be measured by setting the desired signal's strength 3 dB above the rate-dependent

    sensitivity specified in min input sensitivity

    8) WLAN 802.11n transceiver specification

  • 2. PERFORMANCE

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    LGE Internal Use Only

    9) WLAN 802.11a transceiver specification

    Item Specification

    Transmit Frequency 5150~5850MHz(CH36,CH40,CH44,CH48~116,CH132~165) (USA)

    5150~5725MHz(CH36,CH40,CH44,CH48~140) (Europe)

    Tx Power Level

  • 2. PERFORMANCE

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    LGE Internal Use Only

    LGE Internal Use Only

    Rx Min input Sensitivity

    PER 10%

    -82dBm@6Mbps, -81dBm@9Mbps, -79dBm@12Mbps

    -77dBm@18Mbps, -74dBm@24Mbps, -70dBm@36Mbps

    -66dBm@48Mbps, -65dBm@54Mbps

    Rx Max input Sensitivity -30dBm(6,9,12,18,24,36,48,54Mbps) @ PER 10

    Rx Adjacent Channel

    Rejection

    PER 10%,

    ACR 16dB@6Mbps, ACR 15dB@9Mbps,

    ACR 13dB@12Mbps, ACR 11dB@18Mbps,

    ACR 8dB@24Mbps, ACR 4dB@36Mbps

    ACR 0dB@48Mbps, ACR -1dB@54Mbps

    ACR shall be measured by setting the desired signal's strength 3 dB

    above the rate-dependent

    sensitivity specified in min input sensitivity

  • 2. PERFORMANCE

    - 20 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    LGE Internal Use Only

    10) WLAN 802.11n(HT20) transceiver specification

    Item Specification

    Transmit Frequency

    2400 MHz ~ 2473.5 MHz ( CH1~CH11) (USA)

    5150~5850MHz(CH36,CH40,CH44,CH48~116,CH132~165) (USA)

    2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)

    5150~5725MHz(CH36,CH40,CH44,CH48~140) (Europe)

    Tx Power Level

    20dBm (CH1~13) (Europe), 30dBm (CH1~11) (USA)

  • 2. PERFORMANCE

    - 21 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    LGE Internal Use Only

    < -54 dBm @ 470 MHz to 862 MHz

    < -36 dBm @ 862 MHz to 1 GHz

    < -30 dBm @ 1 GHz to 5.15 GHz

    < -30 dBm @ 5.35 GHz to 5.47 GHz

    < -30 dBm @ 5.725 GHz to 26.5 GHz

    Rx Min input Sensitivity

    PER 10%

    [email protected], -79dBm@13Mbps, [email protected]

    -74dBm@26Mbps, -70dBm@39Mbps, -66dBm@52Mbps

    [email protected], -64dBm@65Mbps

    Rx Max input Sensitivity -20dBm @ PER 10%(2400 ~ 2483.5 MHz)

    -30dBm @ PER 10%(5150 ~ 5850 MHz)

    Rx Adjacent Channel

    Rejection

    PER 10%,

    ACR [email protected], ACR 13dB@13Mbps,

    ACR [email protected], ACR 8dB@26Mbps,

    ACR 4dB@39Mbps, ACR 0dB@52Mbps

    ACR [email protected], ACR -2dB@65Mbps

    ACR shall be measured by setting the desired signal's strength 3 dB above

    the rate-dependent

    sensitivity specified in min input sensitivity

  • 2. PERFORMANCE

    - 22 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    LGE Internal Use Only

    11) Bluetooth transmitter specification

    Item Spec. Min Typ. Max Unit

    Output Power DH5

    PRBS9

    Nominal Pwr -6 - +20 dBm

    Peak Pwr - - +23 dBm

    Power Density DH5

    PRBS9 @100kHz BW

    - +20 dBm

    Frequency Range DH5

    PRBS9

    -30dBm

    @100kHz BW 2400 - 2483 MHz

    Tx Output Spectrum

    (20dB BW)

    DH5

    PRBS9 f =f

    H-f

    L

    - 1 MHz

    Tx Output Spectrum

    (Adjacent Output Power)

    DH5

    PRBS9

    @M-N = 2

    - -20 dBm

    @M-N >= 3

    - -40 dBm

    Modulation Index

    DH5

    11110000 f1

    AVG 140 - 175 kHz

    DH5

    10101010

    f2MAX

    115 -

    kHz

    f2AVG

    /f1AVG

    0.8 -

    Initial Carrier Freq.

    Tolerance

    DH5

    PRBS9 -75 - +75 kHz

    Carrier Frequency Drift

    DH1

    10101010

    Freq. Drift -25 - +25 kHz

    Drift Rate -20 - +20 kHz/5

    0us

    DH3

    10101010

    Freq. Drift -40 - +40 kHz

    Drift Rate -20 - +20 kHz/5

    11) Bluetooth transmitter specification

  • 2. PERFORMANCE

    - 23 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only LGE Internal Use Only

    0us

    DH5

    10101010

    Freq. Drift -40 - +40 kHz

    Drift Rate -20 - +20 kHz/5

    0us

    Out of Band Spurious

    Emission

    DH1

    PRBS9

    @ 30MHz ~

    12.75GHz 20

    dBc

    12) Bluetooth receiver specification

    Item Spec. Min Typ. Max Unit

    Sensitivity

    (Single Slot Packet)

    DH1

    PRBS9 BER @ 0.1%

    - -70 dBm

    Sensitivity

    (Multi Slot Packet)

    DH5

    PRBS9 BER @ 0.1%

    - -70 dBm

    C/I Performance DH1

    PRBS9

    Co-Channel

    -60dBm@

    BER0.1%

    - 11

    dB

    C/I @1MHz

    -60dBm@ BER

    0.1%

    - 0

    C/I @2MHz

    -60dBm@ BER

    0.1%

    - -30

    C/I @3MHz

    -67dBm@

    BER0.1%

    - -40

    C/I @Image

    -67dBm@ BER

    0.1%

    - -9

    12) Bluetooth receiver specification

  • 2. PERFORMANCE

    - 24 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    LGE Internal Use Only

    C/I @1MHz Image

    -67dBm@ BER

    0.1%

    - -20

    Blocking Performance DH1

    PRBS9

    -10dBm @

    30M ~2 GHz

    - -67 dBm

    -27dBm @

    2 ~ 2.4 GHz

    -27dBm @

    2.5 ~ 3 GHz

    -10dBm @

    3 ~ 12.75 GHz

    Intermodulation Performance DH1

    PRBS9

    f = +5MHz (CW)

    f = +10MHz (BT)

    BER @ 0.1%

    - -64 dBm

    f = -5MHz (CW)

    f = -10MHz (BT)

    BER @ 0.1%

    - -64 dBm

    Maximum Input Level DH1

    PRBS9 BER @ 0.1% -20 -

    dBm

    13) GPS receiver specification Item Specification

    Receive Frequency 1574.42 MHz ~ 1576.42 MHz

    Minimum Sensitivity 1 satellite -142dBm, 7 satellites -147dBm at coarse time

    aiding

    13) GPS receiver specification

  • 3. CIC AND SERVICE CENTER

    - 25 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    3.CIC_AND SERVICE CENTER

    3.1 CIC FAQ

    No FAQ Q&A

    1 Q I cant remember the PhoneLock password.

    A

    In case of password, pin lock, proceed with factory reset through Power key + Volume down key with the power being off. - For pattern lock with Gmail setting, press the forgot button to set a new pattern

    lock.- If Gmail isnt set, use Factory Reset by pressing the Power key + Volume down key

    Request for development

    1. How to disable Pattern Lock, Password and PIN. 2. Request to check out if it is specified in the user manual.3. Description on HW Factory Reset Key combination and how to do it.

    2 Q How do I put in and take out files from the SD card?

    A Mako does not support SD Card

    Request for development N/A

  • 3. CIC AND SERVICE CENTER

    - 26 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    3 Q I use it abroad, but 3G connection doesnt work.

    A

    1. Verify Data enabled and Data roaming is checked.- Enter the menu Settings > More... > Mobile networks- If these fields are unchecked, 3G data connection is cannot established in

    roaming.2. Check access point name- If theres no APN in the Access Point Names menu, create new APN coresponding

    to network operator and save it.

  • 3. CIC AND SERVICE CENTER

    - 27 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    4 Q The GPS location isnt right, what should I do?

    A

    If no blockage exists, your GPS will work very well. The mobile data communication is also very very helpful for GPS. Even if its opensky, when you cant get any position, please turn on access to my location and check GPS satellites and Wi-Fi & mobile network position in Settings > Location access menu. If you want a very coarse and fast locating, check use Wi-Fi & mobile network position. However if you want a more accurate and slow locating, do not check it. Basically checking all is prefered for complementary purpose.

    5 Q The downloaded application isnt compatible?

    A

    Specific explanation on how compatibility doesnt fit is needed.Generally for issues of incompatibility of APPs, it is shown that these problems occur when compatibility isnt considered when making APPs. It will be confirmed if the APP with incompatibility is informed.Thank you.

  • 3. CIC AND SERVICE CENTER

    - 28 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    6 Q How do I make an e-mail account?

    A Google dependent

    7 Q E-mail registration doesnt work.

    A

    1. Email service uses data. Check out Wi-Fi or data are available. 2. Check out the email address and password.3. Check out if your email supports the service((IMAP, POP3, SMTP)).4. For EAS, contact the service administrator to see the server info.

    8 Q Unused application shows up as a using program even though it is all killed. What should I do?

    AIts because the apps services are being run in the background.For example, phone or email app is supposed to let the user know any incoming calls or messages even when they are killed.

    9 Q Wifi connection doesnt work well.

    A

    When WiFi connection wont work, do the following:1.See if the Password for the AP you are to connect to is wrong. 2. When Settings > Wi-Fi > Advanced > Avoid poor connections are Checked,

    internet connection is automatically checked to disconnect the APs that are not connected to the internet. When you use an Intranet where the internet does not work, undo the feature.

    3. Settings > Wi-Fi > Advanced > Wi-Fi frequency band is used to present frequency ranges of the AP you are looking for, e.g. Auto, 2.4GHz and 5GHz. Use the Auto mode and set a certain frequency only when there are multiple APs.

  • 3. CIC AND SERVICE CENTER

    - 29 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    10 Q How do you install the PC Sync Program?

    ALG-E960 does not provide a separate PC-Sync program at the request of the service provider.

    11 Q How do you install the Phone driver?

    A Google dependent

  • 3. CIC AND SERVICE CENTER

    - 30 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    12 Q How to connect internet/data network

    A

    1. Verify Data enabled and Data roaming is checked.- Enter the menu Settings > More... > Mobile networks- If user want to connect 3G data connection, Data enabled should be checked.- If user want to connect 3G data connection in roaming, Data roaming also

    should be checked.2. Check access point name

    - If theres no APN in the Access Point Names menu, create new APN coresponding to network operator and save it.

  • 3. CIC AND SERVICE CENTER

    - 31 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    13 Q What should I do to connect PC Sync program with the phone?

    A

    Connect the USB cable and run the connection mode on the terminal by choosing PC Software > PC Suite for automatic connection.Unless automatic connection works, on the PC Suite main screen choose Connect Phone > USB Cable Connection.Or, try Bluetooth On > Discoverable On > Connect Phone on the PC Suite main screen > Bluetooth Connection > choose the terminal to connect to.

    Request for development

    N/A

  • 3. CIC AND SERVICE CENTER

    - 32 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    14 Q Can language be changed?

    A

    You can change language through Settings - Language & input - Language(US English, Canadian French, Mexican Spanish, Chinese simplified, Chinese traditional and Korean)

  • 3. CIC AND SERVICE CENTER

    - 33 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    15 Q How do you Reset and Factory Reset?

    A

    Reset can be done as below.(On resetting the phone, select the SD card check box and the data on the SD card will be deleted as well.)- Go to Settings - General - Back up & Reset - Factory data reset.Factory Reset can be done as below.It can be executed by pressing power key with pressing volume down key together, with Power Off.

  • 3. CIC AND SERVICE CENTER

    - 34 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    16 Q I want to change the bell sound.

    A

    It can be changed through Settings - Sound - Phone ringtone.

    17 Q Is it compatible with other devices?

    A It is basically compatible with external Bluetooth and NFC devices.

  • 3. CIC AND SERVICE CENTER

    - 35 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    18 Q How do you use HDMI?

    A

    1. Prepare slimport gender, HDMI cable and charger(optional) as shown in the picture below

    slimport gender HDMI cable charger(Optional)

    2. Connect the cable and gender as shown in the picture below

    3. Plug the HDMI to target device(TV, Monitor etc), then select HDMI mode in the Input List of target device.

    optional

  • 3. CIC AND SERVICE CENTER

    - 36 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    19 Q HDMI error occurs.

    A1. Check up the connection status of HDMI cable, slimport gender.2. Check up the target device is set to HDMI mode in the Input List

    20 Q How do you use Smart Share?

    A Mako does not support Smart Share.

    Request for development N/A

    21 Q Smart Share error occurs.

    A Mako does not support Smart Share.

    Request for development N/A

  • 3. CIC AND SERVICE CENTER

    - 37 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    22 Q Battery consumption is too fast.

    A

    1. Because it is thought that the phone is distant from the network at areas of low antenna(shaded areas), more power is needed to send and receive location registration information of the phone, so battery consumption is faster.

    2. Because the screen(LCD Back Light) is on, battery consumption is faster because power consumption is high. For example) If the current of the LCD Back Light is 100mA/h, it means that the 1500mA battery allows 15 hours of LCD to be on, so setting the screen time limit to be short is good because battery consumption becomes faster if the screen time limit is set to be long.

    3. After turning on the application and turning it off using the home key, invisible applications are still being used on the background, so battery consumption becomes faster. It is recommended that delete/before key is always used to end applications or programs.

    4. When routing is sued, the Super user authority of the Android system area is taken, so battery consumption might become faster.

    5. For applications like Dodolphone, Nateon, Kakaotalk, stocks/weather wizet which need regular data updates, battery consumption might become faster if the update interval is set short.

    6. If several applications are installed at once, use after restarting and battery consumption might become faster if several wizet applications are installed on the background.

    23 Q How is the distribution schedule of OS or SW new version known?

    AIt can be checked at local LG Electronic service centers or LG Mobile homepage notice page.

  • 3. CIC AND SERVICE CENTER

    - 38 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    24 Q How do you update the SW?

    A

    Google provides GOTA service to offer SW updates.- GOTA : Without need of additional computer, download FOTA Package to

    cellphone through phones network(3G, 4G WIFI etc.) and let it install & Update by itself.

    User Data should be retained in principle.

  • 3. CIC AND SERVICE CENTER

    - 39 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    25 Q Until when is it guaranteed after purchase?What is the warranty limit?

    AFree warranty period is 1 year from the date of purchase. Any breakdown or failure caused by external shock may incur repair charge even within the free warranty period.

    26 Q What kinds of phone accessories are there?

    A You can purchase it from a local LG Electronics service center or on the internet.

    Please ask and answer 3 expected questions regarding the new product and new features.

    27 Q What should I do when SmartShare ends or halts upon changing the setting to USB (large capacity storage unit) while up-/down-loading files?

    AWhen you change the setting to a large capacity storage unit while SD card reading or writing, the system forces the application accessing the SD card to end. That is why such abrupt ending or halting occurs. You cannot control it with SmartShare.

    28 Q What is CSFB?

    ACSFB stands for Circuit Switched Fall Back. CSFB enables 2G or WCDMA connection by Fall Back when an incoming call arrives while youre using LTE.

  • 3. CIC AND SERVICE CENTER

    - 40 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    No FAQ Q&A

    29 Q What should I do to run Quick Memo?

    A

    Press Volume Up + Down at the same time.Go to Quick Setting and select Quick Memo.

    30 Q What should I do to use Android NFC Beam?

    A

    Go to Quick Setting and see if Beam feature is active. Then, get the back side of your phone together with that of the others and touch any information you want to share, e.g. Browser Pages, YouTube video, Pepple contacts etc. And youll see the touched information move to the other Phone.

    31 Q The screen wont work. What should I do?

    APress the Power button for 10 sec. Then, it will be rebooted forcefully, and the screen will work normally.

    32 Q The phone is too hot.

    AThe phone gets hot when you use it for a long time for calling, playing games and surfing the internet. This wont cause any problem to the phones performance or product quality.

  • 4. TROUBLE SHOOTING

    - 41 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    4. TROUBLE SHOOTING

    4.1 RF Component

    U12001RF Transceiver

    U11008MMPA (QUAD GSM, W-B1, W-B8)

    FL11012FEMid

    FL11011WCDMA B8Tx SAW

  • 4. TROUBLE SHOOTING

    - 42 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    U1201DRX SEPARATOR

    U11009UMTS B5 PAM

    U11002UMTS B4 PAM

    U11004UMTS B2 PAM

    FL11014UMTS B5 DUPLEXER

    FL11006UMTS B2 TX SAW

    FL11003UMTS B4 DUPLEXER

    FL11004UMTS B4

    Tx SAW

  • 4. TROUBLE SHOOTING

    - 43 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    RF component

    Reference No. Description Reference No. Description

    U12001 WTR1605L (Transceiver) FL11014 WCDMA B5 DUPLEXER

    U11008 MMPA (QUAD GSM, W-B1, W-B8) U1201 DRX SEPARATOR

    U11004 WCDMA B2 PAM FL1201 WCDMA B5 DRX SAW

    U11002 WCDMA B4 PAM FL1202 WCDMA B1 / 4 DRX SAW

    U11009 WCDMA B5 PAM FL1206 WCDMA B8 DRX SAW

    U1200 GNSS LNA FL1207 WCDMA B2 DRX SAW

    FL11004 WCDMA B4 TX SAW U9001 BT / WI-FI MODULE

    FL11006 WCDMA B2 TX SAW U9002 NFC MODULE

    FL11003 WCDMA B4 DUPLEXER SW11001 MOBILE S/W

    FL11012 FEMid FL11011 WCDMA B8 Tx SAW

  • 4. TROUBLE SHOOTING

    - 44 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    4.2 SIGNAL PATH

    WCDMA B1, B5 and B2 TX Signal PATH

    1. WCDMA B1 TX PATH 2. WCDMA B2 TX PATH

    3. WCDMA B4 TX PATH 4. WCDMA B5 TX PATH

    5. WCDMA B8 TX PATH 6. COMMON TX/RX PATH

  • 4. TROUBLE SHOOTING

    - 45 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    WCDMA B1, B5 and B2 RX Signal PATH

    1. WCDMA B1 RX PATH 2. WCDMA B2 RX PATH

    3. WCDMA B4 RX PATH 4. WCDMA B5 RX PATH

    5. WCDMA B8 RX PATH 6. COMMON TX/RX PATH

  • 4. TROUBLE SHOOTING

    - 46 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1. GSM850/GSM900 TX PATH

    2. DCS1800/PCS1900 TX PATH

    3. GSM900 RX PATH

    4. GSM850 RX PATH

    5. DCS1800/PCS1900 RX PATH

    6. COMMON RX/TX PATH

    GSM850/GSM900/DCS1800/PCS1900 RX/TX Signal PATH

  • 4. TROUBLE SHOOTING

    - 47 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    4.3 Checking TCXO BlockThe output frequency (19.2MHz) of XO (X23001) is used as the reference one of WTR1605L and PM8921 internal VCO

    Schematic of the Crystal Part (19.2MHz)

    TP1

    TP2

  • 4. TROUBLE SHOOTING

    - 48 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Schematic of the Crystal Part (19.2MHz)

    C23024

    100n

    R23005

    0

    EPSON

    EAW61843801

    19.2MHz

    X23001 X1G0038510002

    6 5

    3 2

    4 1NC/GNDVCC

    GNDOUT

    TP1TP2

    PM8921_XO_ADC_GND

    VREG_XO

    Isolated ground for XO circuits onlyGND for PM8921 XO_ADC

    TCXO

    TP1

    TP23002

    R23006 0

    TP23001

    P11V4A3A2L7J14N6K7J7H7L2 XTAL_19M_OUT

    XO_OUT_A0XO_OUT_A1XO_OUT_A2XO_OUT_D0XO_OUT_D0_ENXO_OUT_D1XTAL_32K_INXTAL_32K_OUTSLEEP_CLK0GPIO_38/UART_M_RX

    PM8921_SLEEP_CLK0

    CXO_ENPM8921_XO_OUT_D0

    PM8921_XO_OUT_D1

    Rev.B

    TP2

  • 4. TROUBLE SHOOTING

    - 49 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Check TP1(VREG_XO)

    1.9 VREG_XO 1.7 Check the PM8921No

    Yes

    Check TP2(19.2MHz)

    19.2MHz Signal Check soldering and components

    No

    Yes

    XO OK

  • 4. TROUBLE SHOOTING

    - 50 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    4.4 Checking FEMID (GSM QUAD, WB1/B2/B4/B5/B8) Block

    VBATT(TP5)

    ANT_SEL_0(TP1)

    ANT_SEL_1(TP2)

    ANT_SEL_2(TP3)ANT_SEL_3(TP4)

  • 4. TROUBLE SHOOTING

    - 51 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Schematic of the Antenna Switch Block

    CTL1 CTL2 CTL3 CTL4

    GSM LB TX L H L H

    GSM HB TX H L L L

    NC L H L L

    GSM1800 RX L L H L

    GSM1900 RX L H H L

    UMTS B1 H L H H

    UMTS B2 H L L H

    UMTS B8 L L L H

    NC H H L H

    UMTS B4 L L H H

    U850_G850 RX H H H H

    TP2 TP3 TP4 TP5

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2TX

    B8TX

    GSM1800/1900TX

    GSM850/900TX

    GND10

    GND2

    GND9

    ANT

    GSM850RX2GND3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GND4

    GND5

    B2R

    X1

    B2R

    X2

    GND6

    C11022

    1n

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.DTP1

    TP2

    TP3

    TP4

    TP5

  • 4. TROUBLE SHOOTING

    - 52 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Check ANT_SEL 0,1,2,3 High Level

    1.4 Voltage 3.0V Check the TP1(VDD)No

    Yes

    Check the ANT Logic in each mode

  • 4. TROUBLE SHOOTING

    - 53 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    4.5 Checking WCDMA Block

    START

    Check XO(19.2MHz) BlockRefer to 4.3

    Check FEMID BlockRefer to 4.4

    Check TX/RX Level

    Re-download & Cal

    Change the Board

  • 4. TROUBLE SHOOTING

    - 54 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    4.5.1 Checking XO (19.2MHz) BlockRefer to 4.3

    4.5.2. Checking FEMID BlockRefer to 4.4

    4.5.3. Checking RF TX Level

    WCDMA B1

    TP1

  • 4. TROUBLE SHOOTING

    - 55 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002

    DNI

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.D

    TP1

    TP2

    TP3

  • 4. TROUBLE SHOOTING

    - 56 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    L11064

    DNI

    51

    R11011

    L11069

    0.5p

    4.7u

    C11094

    DNI

    L11074

    L11070

    DNI

    VBAT

    1n1n

    C11096

    C11104

    1n

    L11061

    0.5p

    L11065

    DNI

    L11067 3.9nC11095

    22u

    C11107

    1p

    L11060

    DNI

    L11063 3.3n

    L11073 4.7n

    L11059 2.7n

    U11008

    25

    1224

    18

    17

    19

    16

    20

    15

    21

    14

    22

    13

    23

    6

    5

    7

    4

    8

    3

    9

    2

    10

    1

    11UMTS_LB_RF_IN

    UMTS_HB_RF_IN

    GSM_LB_RF_IN

    GSM_HB_RF_IN

    LB_EN

    HB_EN

    VBATT

    VMODE0

    GND1

    VMODE1

    MODE

    GND2

    GSM_LB_RF_OUT

    UMTS_HB_RF_OUT

    GND3

    GND4

    GSM_HB_RF_OUT

    UMTS_LB_RF_OUT

    GND5

    GND6

    VCC_GSM

    VCC_UMTS

    CPL_RF_OUT

    CPL_RF_IN

    GND_SLUG

    TX_GSM_HB

    PA_DET_MMMB

    +VSMPS

    TX_ANT_LU2100

    TX_ANT_U900

    TX_GSM_LB

    GSM(QUAD)_U1/8(EU) MMMB

    TP2

    +VPWR

    C11105 33p

    33pC11088

    C11093 33p

    L11057

    DNIL11058

    DNI

    L11068

    DNI

    C11084 33p

    FL11011Part Name=SAFEB897MAM0F00

    897.5 MHz

    Vendor=MURATA

    5 3 2

    4 1INOUT

    G1G2G3C11106 2.2n

    L11072

    DNI

    2.7n

    L11066

    C11

    103

    1n

    C11

    102

    100p

    C11

    101

    100p100p

    C11

    100

    100p

    C11

    099

    100p

    C11

    098

    C11

    097

    22u

    L11071

    15n

    6

    5

    7

    4

    8

    3

    9

    2

    10

    1

    11UMTS_LB_RF_IN

    UMTS_HB_RF_IN

    GSM_LB_RF_IN

    GSM_HB_RF_IN

    LB_EN

    HB_EN

    VBATT

    VMODE0

    GND1

    VMODE1

    MODE

    PA_ON1_GSMHB

    PA_ON0_GSMLB

    PA0_R1PA0_R0

    MMMB_MODE

    TX_OUT_GSM_LB

    TX_OUT_GSM_HB

    TX_OUT_LU2100

    TX_OUT_U900

    TP3

  • 4. TROUBLE SHOOTING

    - 57 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    testing, Max power output is needed

    Check ANT_SEL 0,1,2,3 (High, Low, High, High)

    Check TP1Over 21 dBm? RF TX Level is OK

    Yes

    No

    Check WTR1605L

    Check TP2Over 21 dBm? Check FL11012

    Yes

    No

    Check TP3Over -3 dBm? Check PAM

    Yes

    No

  • 4. TROUBLE SHOOTING

    - 58 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    - PAM control signal

    PA_ON1 GSMHB (C11102) : PAM Enable

    PA_R0 (C11098) : PAM Gain Control

    PA_ON1 GSMHB (C11102) must be HIGH (over 2.6V)

    TP4

    TP1

    TP3

    TP2

  • 4. TROUBLE SHOOTING

    - 59 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    +VPWR

    C11105 33p

    33pC11088

    C11093 33p

    L11057

    DNIL11058

    DNI

    L11068

    DNI

    C11084 33p

    FL11011Part Name=SAFEB897MAM0F00

    897.5 MHz

    Vendor=MURATA

    5 3 2

    4 1INOUT

    G1G2G3C11106 2.2n

    L11072

    DNI

    2.7n

    L11066

    C11

    103

    1n

    C11

    102

    100p

    C11

    101

    100p100p

    C11

    100

    100p

    C11

    099

    100p

    C11

    098

    C11

    097

    22u

    L11071

    15n

    6

    5

    7

    4

    8

    3

    9

    2

    10

    1

    11UMTS_LB_RF_IN

    UMTS_HB_RF_IN

    GSM_LB_RF_IN

    GSM_HB_RF_IN

    LB_EN

    HB_EN

    VBATT

    VMODE0

    GND1

    VMODE1

    MODE

    PA_ON1_GSMHB

    PA_ON0_GSMLB

    PA0_R1PA0_R0

    MMMB_MODE

    TX_OUT_GSM_LB

    TX_OUT_GSM_HB

    TX_OUT_LU2100

    TX_OUT_U900

    TP1

    TP3

    TP2

  • 4. TROUBLE SHOOTING

    - 60 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Set the phone Tx is On and PDM is 90

    Check TP4 Over 21 dBm?

    Check TP1 Over -3 dBm?

    RF Tx Level is OK

    No

    No

    No

    Yes

    Yes

    Yes

    Change the board

    Check TP2 MMPA 2.6V

    Check TP3 PA _R0 0.5V

    Check MDM9615M

    Check WTR1605L

  • 4. TROUBLE SHOOTING

    - 61 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    WCDMA B6

    TP1

  • 4. TROUBLE SHOOTING

    - 62 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002

    DNI

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.D

    TP1

    TP2

    TP3

  • 4. TROUBLE SHOOTING

    - 63 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    L11064

    DNI

    51

    R11011

    L11069

    0.5p

    4.7u

    C11094

    DNI

    L11074

    L11070

    DNI

    VBAT

    1n1n

    C11096

    C11104

    1n

    L11061

    0.5p

    L11065

    DNI

    L11067 3.9nC11095

    22u

    C11107

    1p

    L11060

    DNI

    L11063 3.3n

    L11073 4.7n

    L11059 2.7n

    U11008

    25

    1224

    18

    17

    19

    16

    20

    15

    21

    14

    22

    13

    23

    6

    5

    7

    4

    8

    3

    9

    2

    10

    1

    11UMTS_LB_RF_IN

    UMTS_HB_RF_IN

    GSM_LB_RF_IN

    GSM_HB_RF_IN

    LB_EN

    HB_EN

    VBATT

    VMODE0

    GND1

    VMODE1

    MODE

    GND2

    GSM_LB_RF_OUT

    UMTS_HB_RF_OUT

    GND3

    GND4

    GSM_HB_RF_OUT

    UMTS_LB_RF_OUT

    GND5

    GND6

    VCC_GSM

    VCC_UMTS

    CPL_RF_OUT

    CPL_RF_IN

    GND_SLUG

    TX_GSM_HB

    PA_DET_MMMB

    +VSMPS

    TX_ANT_LU2100

    TX_ANT_U900

    TX_GSM_LB

    GSM(QUAD)_U1/8(EU) MMMB

    TP2

    +VPWR

    C11105 33p

    33pC11088

    C11093 33p

    L11057

    DNIL11058

    DNI

    L11068

    DNI

    C11084 33p

    FL11011Part Name=SAFEB897MAM0F00

    897.5 MHz

    Vendor=MURATA

    5 3 2

    4 1INOUT

    G1G2G3C11106 2.2n

    L11072

    DNI

    2.7n

    L11066

    C11

    103

    1n

    C11

    102

    100p

    C11

    101

    100p100p

    C11

    100

    100p

    C11

    099

    100p

    C11

    098

    C11

    097

    22u

    L11071

    15n

    6

    5

    7

    4

    8

    3

    9

    2

    10

    1

    11UMTS_LB_RF_IN

    UMTS_HB_RF_IN

    GSM_LB_RF_IN

    GSM_HB_RF_IN

    LB_EN

    HB_EN

    VBATT

    VMODE0

    GND1

    VMODE1

    MODE

    PA_ON1_GSMHB

    PA_ON0_GSMLB

    PA0_R1PA0_R0

    MMMB_MODE

    TX_OUT_GSM_LB

    TX_OUT_GSM_HB

    TX_OUT_LU2100

    TX_OUT_U900

    TP3

  • 4. TROUBLE SHOOTING

    - 64 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    testing, Max power output is needed

    Check ANT_SEL 0,1,2,3 (Low, Low, Low, High)

    Check TP1Over 21 dBm? RF TX Level is OK

    Yes

    No

    Check WTR1605L

    Check TP2Over 21 dBm? Check FL11012

    Yes

    No

    Check TP3Over -3 dBm? Check PAM

    Yes

    No

  • 4. TROUBLE SHOOTING

    - 65 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    - PAM control signal

    PA_ON0 GSMLB (C11100) : PAM Enable

    PA_R0 (C11098) : PAM Gain Control

    PA_ON0 GSMLB (C1100) must be HIGH (over 2.6V)

    TP2

    TP1

    TP3

    TP1

  • 4. TROUBLE SHOOTING

    - 66 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    L11064

    DNI

    51

    R11011

    L11069

    0.5p

    4.7u

    C11094

    DNI

    L11074

    L11070

    DNI

    VBAT

    1n1n

    C11096

    C11104

    1n

    L11061

    0.5p

    L11065

    DNI

    L11067 3.9nC11095

    22u

    C11107

    1p

    L11060

    DNI

    L11063 3.3n

    L11073 4.7n

    L11059 2.7n

    U11008

    25

    1224

    18

    17

    19

    16

    20

    15

    21

    14

    22

    13

    23

    6

    5

    7

    4

    8

    3

    9

    2

    10

    1

    11UMTS_LB_RF_IN

    UMTS_HB_RF_IN

    GSM_LB_RF_IN

    GSM_HB_RF_IN

    LB_EN

    HB_EN

    VBATT

    VMODE0

    GND1

    VMODE1

    MODE

    GND2

    GSM_LB_RF_OUT

    UMTS_HB_RF_OUT

    GND3

    GND4

    GSM_HB_RF_OUT

    UMTS_LB_RF_OUT

    GND5

    GND6

    VCC_GSM

    VCC_UMTS

    CPL_RF_OUT

    CPL_RF_IN

    GND_SLUG

    TX_GSM_HB

    PA_DET_MMMB

    +VSMPS

    TX_ANT_LU2100

    TX_ANT_U900

    TX_GSM_LB

    GSM(QUAD)_U1/8(EU) MMMB

    TP4

    +VPWR

    C11105 33p

    33pC11088

    C11093 33p

    L11057

    DNIL11058

    DNI

    L11068

    DNI

    C11084 33p

    FL11011Part Name=SAFEB897MAM0F00

    897.5 MHz

    Vendor=MURATA

    5 3 2

    4 1INOUT

    G1G2G3C11106 2.2n

    L11072

    DNI

    2.7n

    L11066

    C11

    103

    1n

    C11

    102

    100p

    C11

    101

    100p100p

    C11

    100

    100p

    C11

    099

    100p

    C11

    098

    C11

    097

    22u

    L11071

    15n

    6

    5

    7

    4

    8

    3

    9

    2

    10

    1

    11UMTS_LB_RF_IN

    UMTS_HB_RF_IN

    GSM_LB_RF_IN

    GSM_HB_RF_IN

    LB_EN

    HB_EN

    VBATT

    VMODE0

    GND1

    VMODE1

    MODE

    PA_ON1_GSMHB

    PA_ON0_GSMLB

    PA0_R1PA0_R0

    MMMB_MODE

    TX_OUT_GSM_LB

    TX_OUT_GSM_HB

    TX_OUT_LU2100

    TX_OUT_U900

    TP3

    TP2TP1

  • 4. TROUBLE SHOOTING

    - 67 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Set the phone Tx is On and PDM is 90

    Check TP4 Over 21 dBm?

    Check TP1 Over -3 dBm?

    RF Tx Level is OK

    No

    No

    No

    Yes

    Yes

    Yes

    Change the board

    Check TP2 MMPA 2.6V

    Check TP3 PA _R0 0.5V

    Check MDM9615M

    Check WTR1605L

  • 4. TROUBLE SHOOTING

    - 68 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    WCDMA B2

    TP1

  • 4. TROUBLE SHOOTING

    - 69 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002

    DNI

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.D

    TP1

    TP3

    TP2

  • 4. TROUBLE SHOOTING

    - 70 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    U11004Part Name=ACPM-5702-TR1

    Vendor=AVAGO

    6

    7 4

    8 3

    5

    9 2

    10 1

    11PGND

    VCC1VCC2

    RFINRFOUT

    VEN

    NCISO

    VMODEGND

    CPL

    C11059

    DNI

    330p

    C11

    044

    C11

    045

    4.7u

    L11039 100p

    C11058

    3.9n

    PA_DET_MMMB +VSMPS

    TX_ANT_LU1900

    PA_DET_1

    UMTS_L2 TX

    L11041 2.2n

    DNI

    L11044

    C11057 33p33pC11056

    4

    3

    5

    2

    1

    NC

    L1104033p

    L11045

    6.8n

    100p

    C11

    063

    C11

    064

    100p

    C11

    065

    100p

    330p

    C11

    046

    4.7u

    C11

    047

    1880MHz

    Vendor=MURATA

    Part Name=SAFEA1G88KB7F00

    FL11006

    5 2

    4 1

    3G3

    INOUTG1G2

    +VPWR

    PA0_R1PA0_R0

    PA_ON4_U1900

    TX_OUT_U1900

    TP2

    TP3

  • 4. TROUBLE SHOOTING

    - 71 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    testing, Max power output is needed

    Check ANT_SEL 0,1,2,3 (Low, Low, Low, High)

    Check TP1Over 21 dBm? RF TX Level is OK

    Yes

    No

    Check WTR1605L

    Check TP2Over 21 dBm? Check FL11012

    Yes

    No

    Check TP3Over -3 dBm? Check PAM

    Yes

    No

  • 4. TROUBLE SHOOTING

    - 72 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    - PAM control signal

    PA_ON4_U1900 (C11065) : PAM Enable (VEN)

    PA0_R1 (C11064) : PAM Gain Control (VMODE)

    PA_ON4_U1900 (VEN) must be HIGH (over 2.6V)

    TP1

    TP3

    TP2VEN

  • 4. TROUBLE SHOOTING

    - 73 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Set the phone Tx is On and PDM is 90

    Check TP3Over 21 dBm? RF Tx Level is OK

    Yes

    No

    Change the board

    Check TP2PA _R1 2.6V Check MDM9615M

    Yes

    No

    Check TP1Over -3 dBm? Check WTR1605L

    Yes

    No

    DNI

    L11044

    C11057 33p33pC11056

    U11004Part Name=ACPM-5702-TR1

    Vendor=AVAGO

    6

    7 4

    8 3

    5

    9 2

    10 1

    11PGND

    VCC1VCC2

    RFINRFOUT

    VEN

    NCISO

    VMODEGND

    CPL

    C11059

    DNI

    100p

    C11

    063

    C11

    064

    100p

    C11

    065

    100p

    330p

    C11

    046

    330p

    C11

    044

    4.7u

    C11

    047

    Part Name=SAFEA1G88KB7F00

    FL110064

    OUT

    C11

    045

    4.7u

    L11039 100p

    C11058

    3.9n

    +VPWR

    PA0_R1PA0_R0

    PA_ON4_U1900

    PA_DET_MMMB +VSMPS

    PA_DET_1

    UMTS_L2 TXTP2

    VEN

    TP1

    TP3

  • 4. TROUBLE SHOOTING

    - 74 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    WCDMA B5

    TP1

  • 4. TROUBLE SHOOTING

    - 75 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002

    DNI

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.D

    TP1

    TP2

    TP3

  • 4. TROUBLE SHOOTING

    - 76 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    L110263.3nC11031

    2n

    C11028

    2.2u

    C11032

    DNI

    C11027

    330p

    100p

    C11

    037

    0.5p

    C11036 C11035

    DNI

    Part Name=ACPM-5704-TR1Vendor=AVAGO

    U11002

    6

    7 4

    8 3

    5

    9 2

    10 1

    11PGND

    VCC1VCC2

    RFINRFOUT

    VEN

    NCISO

    VMODEGND

    CPL

    L11025 56p

    FL11003

    75

    8

    4 92

    3

    16ANT RX1

    TX

    GND1GND5GND2

    RX2

    GND3 GND4

    +VSMPS

    PA_DET_1

    PA_DET_2

    RX_L4_P

    RX_L4_M

    UMTS_L4(TMUS)_TRX

    TP2

    L11029

    4.7n

    C11034 27p

    L11030

    DNI

    Part Name=B9489FL11004

    Vendor=EPCOS

    5 3 2

    4 1INOUT

    G1G2G3

    330p

    C11

    029

    100p

    C11

    039

    100p

    C11

    038

    100p

    C11

    037

    C11033 100p

    4

    3

    5

    2

    1VCC1

    RFIN

    VEN

    NC

    VMODE

    C11030

    2.2u

    L110

    28

    8.2p

    L110

    27

    4.7p

    +VPWR

    PA0_R1PA0_R0

    PA_ON5_L4

    TX_OUT_LU4

    TP3

  • 4. TROUBLE SHOOTING

    - 77 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    testing, Max power output is needed

    Check ANT_SEL 0,1,2,3 (Low, Low, Low, High)

    Check TP1Over 21 dBm? RF TX Level is OK

    Yes

    No

    Check WTR1605L

    Check TP2Over 21 dBm? Check FL11012

    Yes

    No

    Check TP3Over -3 dBm? Check PAM

    Yes

    No

  • 4. TROUBLE SHOOTING

    - 78 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    - PAM control signal

    PA_ON5_L4 (C11039) : PAM Enable (VEN)

    PA0_R1 (C11038) : PAM Gain Control (VMODE)

    PA_ON5_L4 (VEN) must be HIGH (over 2.6V)

    TP1

    TP3

    TP2

    VEN

  • 4. TROUBLE SHOOTING

    - 79 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Set the phone Tx is On and PDM is 90

    Check TP3Over 21 dBm? RF Tx Level is OK

    Yes

    No

    Change the board

    Check TP2PA _R1 2.6V Check MDM9615M

    Yes

    No

    Check TP1Over -3 dBm? Check WTR1605L

    Yes

    No

    L110263.3n

    L11029

    4.7n

    C11028

    2.2u

    Part Name=B9489FL11004

    Vendor=EPCOS

    4OUT

    G3

    C11027

    330p 330p

    C11

    029

    100p

    C11

    039

    100p

    C11

    038

    100p

    C11

    037

    0.5p

    C11036 C11035

    DNI

    C11033 100p

    Part Name=ACPM-5704-TR1Vendor=AVAGO

    U11002

    6

    7 4

    8 3

    5

    9 2

    10 1

    11PGND

    VCC1VCC2

    RFINRFOUT

    VEN

    NCISO

    VMODEGND

    CPL

    C11030

    2.2u

    L11027

    4.7p

    +VPWR

    PA0_R1PA0_R0

    PA_ON5_L4

    +VSMPS

    PA_DET_1

    PA_DET_2

    RX_L4_P

    RX_L4_M

    TP3

    TP2TP1

    VEN

  • 4. TROUBLE SHOOTING

    - 80 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    WCDMA B5

    TP1

  • 4. TROUBLE SHOOTING

    - 81 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002

    DNI

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.D

    TP1

    TP2

    TP3

  • 4. TROUBLE SHOOTING

    - 82 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    DN

    IL1

    1006

    L11002 10n

    L11012 10n

    L11078 8.2n

    C11

    116

    100p

    2.2u

    C11121

    C11

    122

    330p

    R1204

    36

    12p

    C1271

    C11124

    1p

    C11123

    1.8p

    FL11014

    Part Name=B8553

    75

    8

    4 92

    3

    16ANT RX1

    TX

    GND1GND5GND2

    RX2

    GND3 GND4

    U11009

    EAN62404201

    ACPM-5505-TR1

    6

    7 4

    8 3

    5

    9 2

    10 1

    11PGND

    VCC1VCC2

    RFINRFOUT

    VEN

    NCISO

    VMODEGND

    CPL

    +VSMPS

    PDET_IN_WTR1605L

    PRX_UG850_INP

    PRX_UG850_INM

    PA_DET_2

    Rev.E

    5.8 dB ATTN.

    Vender = EPCOS

    C11112 33p

    DNI

    L11077

    100p

    C11118

    100p

    C11117

    C11116

    100p

    2.2u

    C11121

    C11122

    330p

    330p

    C11120 2.2u

    C11119

    R1204

    36

    12p

    C1271

    150

    R1205 R1206

    150

    L11075

    8.2n

    U11009

    EAN62404201

    ACPM-5505-TR1

    6

    7 4

    8 3

    5

    9 2

    10 1

    11PGND

    VCC1VCC2

    RFINRFOUT

    VEN

    NCISO

    VMODEGND

    CPL

    +VPWR

    PA0_R1PA0_R0

    +VSMPS

    TX_OUT_U850

    PDET_IN_WTR1605L

    PA_ON3_U850

    PA_DET_2

    Rev.E

    5.8 dB ATTN.

    TP2

    TP3

  • 4. TROUBLE SHOOTING

    - 83 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    - PAM control signal

    PA_ON3_U850 (C11118) : PAM Enable (VEN)

    PA0_R1 (C11117) : PAM Gain Control (VMODE)

    PA_ ON3_U850 (VEN) must be HIGH (over 2.6V)

    TP1

    TP3

    TP2VEN

  • 4. TROUBLE SHOOTING

    - 84 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    Set the phone Tx is On and PDM is 90

    Check TP3Over 21 dBm? RF Tx Level is OK

    Yes

    No

    Change the board

    Check TP2PA _R1 2.6V Check MDM9615M

    Yes

    No

    Check TP1Over -3 dBm? Check WTR1605L

    Yes

    No

    DNI

    L11006

    L11002 10n

    L11012 10n

    C11112 33pL11078 8.2n

    DNI

    L11077100p

    C11118

    100p

    C11117

    C11116

    100p

    2.2u

    C11121

    C11122

    330p

    330p

    C11120 2.2u

    C11119

    R1204

    36

    12p

    C1271

    150

    R1205 R1206

    150

    C11124

    1p

    C11123

    1.8p

    L11075

    8.2n

    U11009

    EAN62404201

    ACPM-5505-TR1

    6

    7 4

    8 3

    5

    9 2

    10 1

    11PGND

    VCC1VCC2

    RFINRFOUT

    VEN

    NCISO

    VMODEGND

    CPL

    +VPWR

    PA0_R1PA0_R0

    +VSMPS

    TX_OUT_U850

    PDET_IN_WTR1605L

    PRX_UG850_INP

    PRX_UG850_INM

    PA_ON3_U850

    PA_DET_2

    Rev.E

    5.8 dB ATTN.

    TP3 TP2

    VEN

    TP1

  • 4. TROUBLE SHOOTING

    - 85 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    4.5.4. Checking RF Rx Level

    WCDMA B1

    Test Point (WCDMA B1 RF Rx Level)

    TP2

  • 4. TROUBLE SHOOTING

    - 86 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002

    DNI

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.D

    TP1

    L11004

    3.3n

    1.2nL11000

    1.2nL11009

    PRX_LU2100_INM

    RX_LU2100_P

    RX_LU2100_M

    PRX_LU2100_INP

    W1(AT) L1_W1(EU)_Rx

    TP2

  • 4. TROUBLE SHOOTING

    - 87 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    START

    Check TP1 Signal exist? Check RF (M/S)No

    Yes

    Check, WTR1605L

    Yes

    Check TP2 Signal exist?

    Check Femid(FL11002)No

  • 4. TROUBLE SHOOTING

    - 88 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    WCDMA B8

    Test Point (WCDMA B8 RF Rx Level)

    TP2

    TP1

  • 4. TROUBLE SHOOTING

    - 89 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002

    DNI

    VDD_RF_SW

    ANT_SW_SEL0

    ANT_SW_SEL3ANT_SW_SEL2

    RX_GSM_HB_MRX_GSM_HB_P

    TX_GSM_HB

    TX_ANT_LU2100

    TX_ANT_U900

    RX_UG900_MRX_UG900_P

    TRX_ANT_LU4

    TX_ANT_LU1900

    RX_LU1900_M

    RX_LU2100_P

    TX_GSM_LB

    RX_LU2100_M

    TRX_ANT_UG850

    ANT_SW_SEL1

    RX_LU1900_P

    Rev.D

    TP1

    10nL11015

    10nL11019DNI

    C11015

    PRX_UG900_INMRX_UG900_M

    RX_UG900_P PRX_UG900_INP

    UG8(EU)_Rx

    TP2

  • 4. TROUBLE SHOOTING

    - 90 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    START

    Check TP1 Signal exist? Check RF (M/S)No

    Yes

    Check, WTR1605L

    Yes

    Check TP2 Signal exist?

    Check Femid(FL11002)No

  • 4. TROUBLE SHOOTING

    - 91 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    WCDMA B2

    Test Point (WCDMA B2 RF Rx Level)

    TP2

    TP1

  • 4. TROUBLE SHOOTING

    - 92 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes

    LGE Internal Use Only

    1KR11003

    0

    R11002

    1KR11004

    1KR11005

    1KR11006

    FL11012

    EAT61793401

    LMSWBPGF-D49

    MURATA

    24232221201918

    17

    16

    15

    14

    13

    12

    29

    11

    30

    10

    31

    932

    8

    33

    7

    34

    6 5 4 3

    252

    26

    1

    27

    28GND8

    GND7

    B1TX

    B1RX2GND1

    B1R

    X1

    B2T

    X

    B8T

    X

    GS

    M18

    00/1

    900T

    X

    GS

    M85

    0/90

    0TX

    GND10

    GN

    D2

    GND9

    AN

    TGSM850RX2

    GN

    D3

    GSM850RX1

    VDD

    GSM1800/1900RX2

    CTL1

    GSM1800/1900RX1

    CTL2

    CTL3

    CTL4

    TRX1

    TRX2

    TRX3

    B8R

    X1

    B8R

    X2

    GN

    D4

    GN

    D5

    B2R

    X1

    B2R

    X2

    GN

    D6

    SW11001Part Name=MS-156C

    Vendor=HIROSE

    43

    2

    1ANT COMMON

    G3 G4

    Part Name=20279-001E-01Vendor=I-PEX

    SW11000

    G1

    ANTG2

    L11008

    DNI

    C11022

    1n

    L11007 2.2nL11080 100p

    VA11001

    C11002