1 01-18 CDX2180 11 - Промэлектроникаvcc iset sl o sl m sl p ta o feo fei fdfct fgd...
Transcript of 1 01-18 CDX2180 11 - Промэлектроникаvcc iset sl o sl m sl p ta o feo fei fdfct fgd...
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Model Name Using Similar Mechanism CDX-4180
CD Drive Mechanism Type MG-363X-121
Optical Pick-up Name KSS-521A
SERVICE MANUAL US ModelCanadian Model
E Model
CDX-2180
FM/AM COMPACT DISC PLAYER
MICROFILM
AUDIO POWER SPECIFICATIONS (US Model)POWER OUTPUT AND TOTAL HARMONIC DISTORTION17 watts per channel minimum continuous average power into4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than1% total harmonic distortion.
Other SpecificationsCD player sectionSystem Compact disc digital audio
systemSignal-to-noise ratio 90 dBFrequency response 10 - 20,000 HzWow and flutter Below measurable limitLaser Diode Properties
Material GaAlAsWavelength 780 nmEmission Duration ContinuousLaser output power Less than 44.6 µW*
* This output is the value measured at a distanceof 200 mm from the objective lens surface onthe Optical Pick- up Block.
Tuner sectionFMTuning range US, Canadian model:
87.5 - 107.9 MHzE model:FM tuning interval:50 kHz/200 kHz switchable87.5 - 108.0 MHz(at 50 kHz step)87.5 - 107.9 MHz(at 200 kHz step)
Antenna terminal External antenna connectorIntermediate frequency 10.7 MHzUsable sensitivity 8 dBfSelectivity 75 dB at 400 kHzSignal-to-noise ratio 65 dB (stereo),
68 dB (mono)Harmonic distortion at 1 kHz
0.5% (stereo),0.3% (mono)
Separation 35 dB at 1 kHzFrequency response 30 - 15,000 HzCapture ratio 2 dB
SPECIFICATIONS
AMTuning range US, Canadian model:
530 - 1,710 kHzE model:AM tuning interval:9 kHz/10 kHz switchable531 - 1,602 kHz(at 9 kHz step)530 - 1,710 kHz(at 10 kHz step)
Antenna terminal External antenna connectorIntermediate frequency 10.71 MHz/450 kHzSensitivity 30 µV
Power amplifier sectionOutputs Speaker outputs
(sure seal connectors)Speaker impedance 4 - 8 ohmsMaximum power output 40 W × 4 (at 4 ohms)
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4-1. IC PIN DESCRIPTION• IC801 µPD17705GC-526-3B9 (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 SIRCS I SIRCS input (A/D)
2 IN-SW I CD mechanism position detection
3 D-SW I CD mechanism position detection
4 SELF-SW I CD mechanism position detection
5 L-SW I LIMIT switch
6 LM-EJ O Loading motor control (Eject direction)
7 LM-LOD O Loading motor control (Loading direction)
8 ANT-ON O Power control for amplifier.
9 MONO O Force MONO output
10 SD I SD signal input
11 BAND-SW I Band plan setting of general area.
12 AREA1-SW I Destination select 1
13 AREA2-SW I Destination select 2
14, 15 RE1, 2 I Rotary encoder input 1, 2
16 SEEK/SEEK O SEEK output
17 – 20 NC — Not used.
21 GND3 — GND
22 – 24 KEYIN3 – 1 I A/D key input 3 – 1
25 ROT-IN I Rotary commander input
26 S-METER I FM and AM common signal meter A/D conversion input
27 TEST-SW I TEST mode select input
28 AM-IFC I AM center frequency input
29 FM-IFC I FM center frequency input
30 VDD2 — Power supply (+5 V)
31 VCOH-FM I Local oscillation frequency input (FM)
32 VCOL-AM I Local oscillation frequency input (AM)
33 GND2 — GND
34 NC — Not used.
35 EO1-PDOUT O Error out output
36 TESTO — Fixed at “L”.
37 AM-ON(TU-ON) O AM power output (AM select)
38 FM-ON(FM/AM) O FM power output (FM select)
39 LCL/DX O LOCAL/DX select (“H” : LOCAL, “L” : DX)
40 BEEP O BEEP output
41 ACC-IN I Accessory input
42 SCOR I SUBQ data read request
43 MUTE O System mute output
44 AMP-MUTE O Power amplifier mute output
45 TEL-MUTE O Telephone mute output
46 PH2 — Fixed at “H” in this set.
47 VOL-CE O Electric volume chip select
48 VOL-CLK O Electric volume serial clock
49 VOL-DATA O Electric volume serial data
50 EMPHO O De-emphasis control output
51 PW-ON O System power control
52 MD-ON O Loading motor power
53 CD-ON O Servo drive power
54 ILL-ON O Illumination output
55, 56 MOD1, 2 O Bus boost control 1, 2
57 PH3 — Fixed at “H” in this set.
58 LCD-CE O LCD drive chip select output
SECTION 4DIAGRAMS
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Pin No. Pin Name I/O Pin Description
59 EZ-SEL I SHIFT + input
60 SENS I Information input from servo IC.
61 FOK I Focus OK input
62 LD-ON O Laser diode control
63 NC — Not used. (Connect to GND.)
64 ST/MONO I/O Used for both STEREO indicator display input and force MONO output. (FM)
65 LCD-CKO O LCD driver serial clock output
66 LCD-SO O LCD driver serial data output
67 C.ALARM O Caution alarm output
68 SQ-CKO O Q data read serial clock output
69 CD-RST O Servo IC/DAC reset output
70 SQ-SI I Q data input
71 CD-SO O Serial data output to servo IC.
72 CD-LAT O Data latch output to servo IC.
73 CD-CKO O Serial clock output to servo IC.
74 VREF — Not used.
75 GND1 — GND
76 X-OUT — Crystal oscillator connection (4.5 MHz)
77 X-IN I Crystal oscillator connection (4.5 MHz)
78 BU-IN I Back-up detection
79 VDD1 — Power supply (+5 V)
80 RESET I RESET input
4-4. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 22 for Waveforms and Note and page 37 for IC Block Diagrams.
CDX-2180
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(Page 33)
Note:• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolyticsand tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.• U : B+ Line.• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• C : panel designation.• Voltage is dc with respect to ground under no-signal
(detuned) condition.no mark : FM
• Voltages are taken with a VOM (Input impedance 10 MΩ).Voltage variations may be noted due to normal productiontolerances.
4-6. SCHEMATIC DIAGRAM — DISPLAY SECTION —
CDX-2180
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CDX-2180
Note:• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolyticsand tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.• ¢ : internal component.• C : panel designation.• U : B+ Line.• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.• Voltage is dc with respect to ground under no-signal
(detuned) condition.no mark : FM( ) : AM< > : CD PLAY
∗ : Impossible to measure• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal productiontolerances.
• Signal path.F : FMf : AMJ : CD
• AbbreviationCND : Canadian model.
4-8. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 39 for IC Block Diagrams.
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(Pag
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CDX-2180
4-9. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 34 for Note and page 39 for IC Block Diagrams.
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(Pag
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• IC Block Diagrams
IC1 CXD2507AQ
IC3 BA6796FP-T1
XLON
SPOD
SPOC
SPOB
SPOA
CLKO
VDD
CNIN
SEIN
CLOK
XLAT
XLTO
DATO
52535455565758596061626364
51SERVO AUTOSEQUENCER
33
3435363738
39
40414243
454647484950
44
DATAXRSTSENSMUTESQCKSQSOEXCKSBSOSCORVSSWFCKEMPH
DOUT
C4MFSTTXTSLXTAOXTAI
MNTO
20 21 22 23 24 25 26 27 29 30 31 3228
LRCK
PCM
DBC
LKGT
OPXU
GFXP
CKVD
DGF
SRF
CKC2
POXR
OFM
NT3
MNT
1
1
23456
789
101112
161718
19
13
1415
FOK
MONMDPMDS
LOCKTEST
FILOFILIPCOVSS
AVSSCLTVAVDD
RFBIASASYI
ASYOASYE
WDCK
5
14CPU
INTERFACESUB CODE
PROCESSOR
DIGITALCLV
EFMDEMODULATOR
DIGITALPLL
ASYMMETRYCORRECTOR
5 D/AINTERFACE
ERRORCORRECTOR
3
6
3
16KRAM
DIGITALOUT
CLOC
KGE
NERA
TOR
4
1 2 3 4 5 6 7 8 9 10 11 12 13 14
OPOU
T
CH4-
IN
CH4
CTL1
CTL2
FWD
REV
TRAY
GND
CH3
–
CH5
–
COM
CH4
+
CH3
+
CH3-
IN
CH3
VREF
CH2
CH2-
IN
VCC
VCC
CH1
–
CH2
–
CH1-
IN
OP IN
–
CH1
CH1
+
OP IN
+
CH2
+
DRIVEBUFFER
DRIVEBUFFER
DRIVEBUFFER
DRIVEBUFFER
DRIVEBUFFER
DRIVEBUFFER
DRIVEBUFFER
DRIVEBUFFER
DRIVEBUFFER
LEVELSHIFT
LEVELSHIFT
LEVELSHIFT
LEVELSHIFT
THERMALSHUTDOWN
1516171819202122232425262728
LOGIC
CTL1 CTL2 FWD REV
V/I
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IC2 CXA1782BQ
36 35 34 33 32 31 30 29 28 27 26 25
24
23
22
21
20
19
18
17
16
15
14
13
121110987654321
37
38
39
40
41
42
43
44
45
46
47
48
PHD
2
PHD
1
PHD
LD RF O
RF I
CP CB CC1
CC2
FOK
SENS
C.OUT
XRST
DATA
XLT
CLK
VCC
ISET
SL O
SL M
SL P
TA O
TA M
FSET
TG2
TGU
SRCH
FE OFLB
FGD
FDFC
T
FE MFE
I
FEO
FE BIAS
F
E
EI
VEE
TED
LPFI
TEI
ATSC
TZC
TDFCT
VC
APC LEVEL SFO
K
MIRR
RF IV AMP1
RF IV AMP2
FE A
MP
TTL
IIL
FZC COMP
DFCT
IIL
TTL
IIL DATA REGISTER INPUT SHIFT REGISTER
ADDRESS DECODER
OUTPUT DECODER
TTL
IIL
TOG1-3BAL1-3
FS1-4 TG1-2 TM1-7 PS1-4F IV AMP
E IV AMP
BAL1
BAL2
BAL
3
TE AMP
TZC COMP
DFCT
TM1
DFCT
FS4
ATSC
WINDOW COMP
TOG1
TOG2
TOG3
FCS PHASECOMPENSATION
FS1
F SE
TTG2
TM7
TM3
TM4
TM5
TM6
ISETTRACKINGPHASECOMPENSATION
HPF COMP LPF COMP
TG1
FS2
TM2
RF M
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IC701 SM5852FS-E2
IC401 LC75374E
IC702 SM5878AM-E2
+–
+–
+–
+–
+–
+–
+–
+–
+–
+–
+–
+–
+–
+–
DECODER LATCH SHIFTREGISTER
CONTROL
–+
+–
1 2 3 4 5 6 7 8 9 10
20
19
18171615
14
13
12
11
21
22
2324252627282930313233
3435363738
39
4041424344
LSELOL4L3L2L1
VDD
R1R2R3R4
RSELO
RVRI
N
RCOM RT
1RT
2
RT3
RTOU
TRS
IN NC NCRS
B1
RSB2
RFIN
RFOUT
RROUTVSS
CLDICE
VREF
LROUT
LFOUT
LFIN
LSB2
LSB1
NCNCLSIN
LTOU
T
LT3
LT2
LT1
LCOM
LVRI
N
123
4
5
6
7
8
910
16151413
12
11
DIGITALSIGNAL
PROCESSOR
OUTPUTINTERFACE
SYSTEMCLOCK
INPUTINTERFACE
SEQUENTIALCONTROL
MUTECONTROL
MODECONTROL
LRCIBCKI
DI
CLK
VSS
RSTN
TESTN
MUTEN
DB/DSMOD2MOD1OPT
VDD
LRCOBCKODOUT
ATTENUATION COUNTER
FILTER & ATTENUATIONOPERATION BLOCK
NOISE SHAPEROPERATION BLOCK
INPUT INTERFACECLOCK
GENERATOR
TIMINGCONTROL
1
2
3456
78
910
11
121314
15
1617
18
19
20
2122
2324
MUTE
DEEN
CKODVSSBCKI
DI
DVDDLRCI
TSTNTO1
AVDDL
LOAVSSRO
AVDDR
MUTEXVDD
XTI
XTO
XVSS
DSRSTN
MODEATCK
LL RR
11 LEVELDEM DAC
LPF
AMP
11 LEVELDEM DAC
11 LEVELDEM DAC
LPF
AMP
11 LEVELDEM DAC