VHF/UHF DUAL BAND FM TRANSCEIVER FT-4XR/FT-4XE ......Q 02 Q505 Q504 RT1N 141U DTC 144EE D TA 144 E T...
Transcript of VHF/UHF DUAL BAND FM TRANSCEIVER FT-4XR/FT-4XE ......Q 02 Q505 Q504 RT1N 141U DTC 144EE D TA 144 E T...
VHF/UHF DUAL BAND FM TRANSCEIVER
FT-4XR/FT-4XEVHF FM Transceiver
FT-4VR/FT-4VE
Technical Supplement
EH069M90A©2018 YAESU MUSEN CO., LTD.
ContentsSpecificationsExploded View & Miscellaneous PartsBlock DiagramBoard Unit (Schematics & Layouts)
MAIN Unit
IntroductionThis manual provides the technical information necessary for ser-vicing the FT-4XR/FT-4XE and FT-4VR/FT-4VE Transceiver.Servicing this equipment requires expertise in handing surface-mount chip components. Attempts by non-qualified persons to service this equipment may result in permanent damage not covered by the warranty, and may be illegal in some countries.While we believe the information in this manual to be correct, YAESU assumes no liability for damage that may occur as a result of typographical or other errors that may be present. Your cooperation in pointing out any inconsistencies in the technical information would be appreciated.
CautionRisk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to the instruc-tions.
Important NoteThis transceiver was assembled using Pb (lead) free solder, based on the RoHS specification.Only lead-free solder (Alloy Composition: Sn-3.0Ag-0.5Cu) should be used for repairs performed on this apparatus. The solder stated above utilizes the alloy composition required for compliance with the lead-free specification, and any solder with the above alloy com-position may be used.
FT-4XR/XE/VR/VE Technical SupplementSpecifications - 1
GeneralFrequency Range: FT-4XR/FT-4XE RX: 136 MHz - 174 MHz 400 MHz - 480 MHz 65 MHz - 108 MHz (FM Broadcast) TX: 136 MHz - 174 MHz (Asian version) 144 MHz - 146 MHz (European version) 144 MHz - 148 MHz (USA version) 400 MHz - 480 MHz (Asian version) 430 MHz - 440 MHz (European version) 430 MHz - 450 MHz (USA version) FT-4VR/FT-4VE RX: 136 MHz - 174 MHz 65 MHz - 108 MHz (FM Broadcast) TX: 136 MHz - 174 MHz (Asian version) 144 MHz - 146 MHz (European version) 144 MHz - 148 MHz (USA version)Channel Steps: 5/10/12.5/15/20/25/50/100 kHzMode of Emission: F2D, F3E, F2AFrequency Stability: ±2.5 ppm (–4 °F to +140 °F [–20 °C to +60 °C])Antenna Impedance: 50 ohmsSupply Voltage: Nominal. 7.4 V DC, Negative Ground SBR-28LICurrent Consumption (Approx.): 190 mA (Receive, 200 mW Audio Output) 95 mA (Standby, Saver OFF) 23 mA (Standby, Saver ON) 5 mA (Auto Power OFF) 1.5 A (5 W TX, 144 MHz) 7.4 V DC 1.7 A (5 W TX, 430 MHz) 7.4 V DC (FT-4XR/FT-4XE)Operating Temperature: –4 °F to +140 °F (–20 °C to +60 °C)Case Size (W x H x D): 2.0” x 3.5” x 1.2” (52 mm x 90 mm x 30 mm) (w/o knob and antenna)Weight (Approx.): 8.82 oz (250 g) (with SBR-28LI and antenna)
TransmitterRF Power Output: 5 W (High) / 2.5 W (Middle) / 0.5 W (Low) (@ 7.4 V with SBR-28LI)Modulation Type: Variable ReactanceMaximum Deviation: ±5 kHzSpurious Emission: At least 60 dB below (@ TX Power High, Middle) At least 50 dB below (@ TX Power Low) (USA/Asian version) At least 55 dB below (@ TX Power Low) (European version)Microphone Impedance (Approx.): 2 kohm
ReceiverCircuit Type: Direct-conversionSensitivity: 0.2 µV for 12 dB SINAD (140 - 150 MHz, NFM) 0.2 µV for 12 dB SINAD (420 - 470 MHz, NFM) (FT-4XR/FT-4XE)Selectivity (–6 dB / –60 dB): FM, NFM ±25 kHz / 12.5 kHz AF Output: 800 mW (16 Ω for THD 10 % 7.4 V DC) internal speaker 800 mW (16 Ω for THD 10 % 7.4 V DC) external speaker
Specifications are subject to change without notice, and are guaranteed within the 144 MHz amateur bands only. Frequency ranges will vary according to transceiver version; check with your dealer.
Symbol Placed On The Equipment Direct current
Specifications
FT-4XR/XE/VR/VE Technical SupplementExploded View - 1
Exploded View
KEY PADFT-4X (S8003422)FT-4V (S8003424)
③
①
②
④
FRONT PANEL ASSYFT-4X (S8003416)FT-4V (S8003418)Speaker with wirePTT/MON/Function rubberWindow with double faceTop LED light guideTop button (orange)Sponge for windowsProduct name label
SP/MIC CAP AH066S8003350
TERMINAL HOLDER AH069S8003426
JACK COVER AH069S8003428
O-RING-1 AH066S8003356
O-RING-2 AH066S8003358
LATCH KIT AH066S8003360Countersunk screw 3pcsCoil splingLatch nailHold plate
LCD ASSY AH069S8102444LCD moduleLCD holderLight guide (including reflector seat)Interconnector
MAIN BOARD ASSYFT-4X A2 version (S8102452)FT-4X B2 version (S8102454)FT-4X B3 version (S8102446)FT-4V A2 version (S8102456)FT-4V B2 version (S8102458)FT-4V B3 version (S8102448)Antnna jack SMAVOLO-RING-1 AH066O-RING-2 AH066Mic cap
CHASSIS ASSY AH069S8003430Aluminum die-cast chassisRear plateLATCH KIT AH066
VOL KNOB AH066S8003364
ANTENNA NUT AH066S8003366
VOL NUT AH066S8003368
REF YAESU P/N Description Qty.① SCREW KIT AH069
S8003432
Countersunk screw 2② Round head screw 7③ Special screw 2
④BELT CLIP SCREW
S8003376 Belt clip screw 2
Non-designated parts are available only as part of a designated assembly.
Serial NumberPlease provide the serial number of the transceiver when ordering a FT-4X/FT-4V MAIN BOARD ASEMBLY. The serial number is located in the battery compartment of the transceiver.
FT-4XR
About MAIN BOARD ASSYThe MAIN BOARD ASSY has been carefully assembled and aligned at the factory. If a component part fails, the MAIN BOARD ASSY is replaced as a complete unit.Attempting replacement or repair of components on the MAIN BOARD ASSY is not recommended.
④
③
①
②
②
② ②
②
②
FT-4XR/XE/VR/VE Technical SupplementBlock Diagram - 2
FT-4XR / FT-4XEBlock Diagram
LPF
ANT SW Q8012SK3078
U200
RF MODULE
ANT
ANT SW
3M3
VOLUME
+5V
Q805RQA0009
FINAL AMP DRIVE AMP
RDA1846S
Q8032SC3356
RF AMP
5TV
FM MODULEU1
13.000MHzX200
TXCO
(LNA, MIX, IF, RSSI,SQ, AFC, CTCSS/DCS,
FM MODEM, VCO,LOOP FI LTER, VOX)
3M3
+5V
5V REG.
U502ME6118A50
POWER SWW200B
W200A
BATT1
PA12
PA15SQ
PB10,PB11,PB12
VOX DET
78~108MHz
FM AUDI O
RF I N
RF OUT
PA7
AUDI
O
RDA5802
RED(TX)D508
GREEN(A-RX)
PC14
PB13
U500GD32F101CBT6
MI CROPROCESSOR
PD1
PA7
PB6PB5
PB4
PA8
TX: 136-174&400~480MHz
.
LPF ANT SW
U503
BATT
APC
5T
SW
SW
SWPB4/PA
NJM2904Q502
Q505
Q504RT1N141U
DTC144EE
DTA144EE
TONE
3.3V REG.
U501ME6206-33M
OSC 13.0MHz
+3.3V
UTX
Y132.768KHz
PB8 PB9
400~480MHz
+3.3V
PA
FQC
BATT
BATT7.4V
5T
DC SW
Q203DTA
123JE
PB6
Q806
HE4226
RF AMP
5RV
ANT SW
Q802RQA0009
FINAL AMP
RF I N
136~174MHz
Q807
HE4226
RF AMP
5RU
D503
J501
+3.3V
KEY BACK LI GHTKEY MATRIX
S513~S520
LCD BACK LIGHT
Q5062SC
1623
D504~D507
PD0
U504AT24C128RM
EEPROM
SCL
SDA
+3.3V
SW
SDA
SCL
BA892D812,D813
SW
SW
BATT
RX: 136-174&400~480MHz
Q205DTC
114EE
SGM4157U202
DC SW
+5V
5TV
5TU
DC SW
3.3V REG.
U203ME6206-33M3M3
5RV 5RU
PB5 PA8
BLUE(B-RX)
PC13
TONE
PA14
PA13GND J5
00
+3.3V
IDE-
INTE
RFAC
E
Q800,Q804DTC114EE
5TU
5TV
PB7
D809,D810BA892 X2
SW
PA13
S521PTT
S511F/W
Q202DTA
114EE
Q201DTA114EE
PA7
D802,D803BA892 X2
PC15
D805BA592
D808BA592
D806, D807BA892 X2
S512MONI
S510EMERGENCY
AUDI O AMP
U205M4890
+5V PB15
EXT MIC
MI C
SP
EXT SPUTX
UTX
URX
+3.3V D200,D201DA221,1SS372
DTC114EEQ204
J200
MK200
LS200
J201
PB0
PA14
SW SW D205PROTECTOR
S500~S509
+3.3VQ206DTA
123JEPTT DET
PD1
AF
U206SGM4517
+3.3V PB14
MI C MOD
MI C SW
URX
PB9
PA15
PB8
PA11
PB7
5TV 5TU 5TU
5RV 5RU
LCDDS500 COM0~3
SEG0~34 LCD DRIVE
AF SW
U201SGM4517
+3.3V PA11
FT-4XR/XE/VR/VE Technical SupplementBlock Diagram - 3
FT-4VR / FT-4VEBlock Diagram
U200
RF MODULE
3M3
VOLUME
RDA1846S
13.000MHzX200
TXCO
(LNA, MIX, IF, RSSI,SQ, AFC, CTCSS/DCS,
FM MODEM, VCO,LOOP FI LTER, VOX)
3M3
+5V
5V REG.
U502ME6118A50
POWER SWW200B
W200A
BATT1
PA12
PA15SQ
PB10,PB11,PB12
VOX DET
FM AUDI O
PA7
AUDI
O
RED(TX)D508
GREEN(A-RX)
PC14
PB13
U500GD32F101CBT6
MI CROPROCESSOR
PD1
PA7
PB6PB5
PB4
PA8
TONE
3.3V REG.
U501ME6206-33M
OSC 13.0MHz
+3.3V
UTX
+3.3V
PA
FQC
BATT
BATT7.4V
5T
DC SW
Q203DTA
123JE
PB6
D503
J501
+3.3V
KEY BACK LI GHTKEY MATRIX
S513~S520
LCD BACK LIGHT
Q5062SC
1623
D504~D507
PD0
U504AT24C128RM
EEPROM
SCL
SDA
+3.3V
SW
SDA
SCL
Q205DTC
114EE
SGM4157U202
DC SW
+5V
5TV
DC SW
3.3V REG.
U203ME6206-33M3M3
5RV
PB5
BLUE(B-RX)
PC13
TONE
PA14
PA13GND J5
00
+3.3V
IDE-
INTE
RFAC
E
PB7
Q202DTA
114EE
PA7
PA13
S521PTT
S511F/W
PC15
AUDI O AMP
U205M4890
+5V PB15
EXT MIC
MI C
SP
EXT SPUTX
UTX
URX
+3.3V D200,D201DA221,1SS372
DTC114EEQ204
J200
MK200
LS200
J201
PB0
S512MONI
SW D205PROTECTOR
S500~S509
PA14
S510EMERGENCY
+3.3VQ206DTA
123JEPTT DET
PD1
AF
U206SGM4517
+3.3V PB14
MI C MOD
MI C SW
URX
PB9
PA15
PB8
PA11
PB7
LCD DRIVECOM0~3SEG0~34LCD
DS500
U201SGM4517
+3.3V PA11
AF SW
LPF
ANT SW Q8012SK3078
ANT SW
ANT
+5V
FINAL AMP DRIVE AMP
Q8032SC3356
RF AMP
5T
FM MODULEU1
65~108MHz
RF I N
RF OUT
RDA5802
TX: 136-174MHz
.
U503BATT
APC
5T
SW
SW
SWPC9/PA
NJM2904Q502
Q505
Q504RT1N141U
DTC144EE
DTA144EE
Y132.768KHz
PB8 PB9
HE4226
RF AMP
5RV
Q802RQA0009
136~174MHz
Q807
RX: 136-174MHz
D805BA592
D806, D807BA892 X2
Circuit Diagram (1/4)
C831
102P
P800#RCA
C867
2P(B)
C837
8P(C)
C8667P(B)
L8177T
L8166T
L8138T
L81910K(0805)
C83922P
L8274T
L8283T
C83624P
D805
BA592
C829
101P
L812470NH
R806
220R
C828102P
C830102P
5TV
D814BA892
G1
D 2
S 3
Q805
RQA0009
L825100NH
R820
220R
C862102P
C865102P
5TU C8692P5(B)
C83415P
C8706P(B)
D806BA892
D807BA892
D809BA892
D810BA892
C840
103P
C87422P
C8726P(B)
C878
2P(B)
C875
5P(B)
C811
101P
C877
3P(B)
C886
22P
L8303T
L8293T
L8334T
L8324T
C876
6P(B)
C881
3P(B)
C880
4P(B)
C857471P
C859103P
L822
30T
R814
68K
R817
47RC851102PR816
30K
APC
C849102P
C814NOUSE
C805103P
C853ESD5Z12T1
L84122NH
C890
471P
R821470R
R822
100R
R829
100K
C868471P
C889NOUSE
C863471P
5RU
L82622NH
C888
15P
L836
102P
L83910NH
C88310P(C)
C89682P
L83568NH
R826
470K
R825
100R
R824470R
C882102P
C879103P
5RV
L834120NH
C8948P(C)
C887
15P
L83856NH
RDA1846S-TX
RDA1846S-RX
L802
271T
R81222K
R813
68K
R81147R
C808471P
C85018P
C806103P
C846102P
C871
3P(B)
C873
2P(B)
C841
NOUSE
G1
D 2
S 3
Q801
2SK3078(UW)
L8034T
R803100R
C847103P
C845NOUSE
C844
10P
L820
10R
C842
10P(C) Q8032SC3356(R24)
R80910K
R81022R
C843102P
L80118NH
C801
3P(B)
C803103PL800
56NH
R808
R0
D808
BA592
C895
471P
C833
10P(C)
L8145T
C83227P
RDA5802-RX
BAT
C852102P
+5
Q806
HE4226(R24)
Q807
HE4226(R24)
G1
D 2
S 3
Q802
RQA0009C821NOUSE
C82447P
L8093T
C82730P
L8115T
C826
9P(C)
C822
9P(C) C82547P
L8089T
C820471P
C819103P
L810
30T
BAT
C823102P
C89310P(C)
C861NOUSE
C86415P
C85620P
C8605P(B)
L8232T
L8245T
C81512P
R800
30K
R80447R
C812102PR801
56K
APC
C802102P
L805R0
L806
22NH
Q800
DTC114EE
5TU
C804103P
Q804
DTC114EE
C848103P
5TV
D802BA892
C810
101PR8151K
L804470NH
C809103P
R802
1K
C807102P
5TV
D803
BA892
L807
180NH
C816102P
R805
560R C817103P
5TU
D813
BA892R8274K7
D812BA892
R8194K7
5RU
C858103P
R828
4K7C885103P
5RV
C81322P
C8181P(B)
L8212N2H
C85447P
D804
471PR818NOUSE
C800103P
D800BA892
D801BA892
5TV 5TU R807
NOUSE
D811NOUSE
R823NOUSE
5TV
D815BA892
D816BA892
C835
15P
L81882NH
C89210P(C)
C891
22P
C855
22PC838NOUSE
L842R0
C899
R0L84010NH
C897
101P
L84356NH
C901
33P
C884
56P
P801TH-DRJ-0031
C898
8P(C)
P802TH-PBJ-0027
C900EZAEG3A50AV
MAIN - 1 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4XR / FT-4XE)
Circuit Diagram (2/4)
2T/5T/DTMF
A-SQ
AUDIO POWER
PA7
VOX DET
UART1-TX
UART1-RX
PTT KEY DET
R200
104P
B11
GND2
B03 A 4
VCC 5
S 6
U206
SGM4157YC
+3.3
MIC
R204
1K
RDA1846S-TX
RDA1846S-RX
FM AUDIO LOUTFM-L
A-TX
A-RX
C227102P
C25010P
C234103P
C232103P
A-AF
MOD
1234
8765
RP202
1KX4
C248
NOUSE
C229104P
C235471P
C236104P
AVDD1
SCLK2
SDIO3
AVDD4
XTAL15
XTAL26
MODE7
SENB8
AFO
UT
9
NC
10
MIC
_IN
11
Cc
12
AV
DD
13
NC
14
RFI
N15
AV
DD
16
NC 17RFOUT 18NC 19NC 20AVDD 21PABIAS 22AVDD 23PDN 24
GPI
O7/
VO
X25
GPI
O6/
SQ26
GPI
O5/
TXO
N27
GPI
O4/
RXO
N28
GPI
O3/
SDO
29G
PIO
2/IN
T30
GPI
O1/
COD
E_I
N/O
UT
31G
PIO
0/CC
SIN
/OU
T32
GN
D0
U200
RDA1846S
VCCA
VCCA
VCCA
PAA
C251104P
C254102P
XTAL
C245103P
C231103P
C246104P
L206271T
3M3
C230
15P
L205
10uH
C233
471P
R214
R0A-TX
A-RXC252
101P
R225
1K
C243
104P
R2296K8
R216
10K
C237
104PC240NOUSE
R217
120K
C238
472P
C226103P
FM-L
PA7
C221103P
C217103P
5TV 5TU
+3.3
R224
150K
C244
104P
PA7
B1 1
GND 2
B0 3A4
VCC5
S6
U202
SGM4157YC
C222103P
5RU
5RV+3.3
C219103P
C218103P
+5
A
Vout3
Vss
1
Vin 2
U203ME6216-33M
C253104P
+5
C247475P/16V
3M3
12 3
4RP201
1KX2
12 3
4RP200
1KX2VCCA
Q205DTC114EE
Q203DTA123JE
5T
R223
4K7
5T
11
33
W2 44
55W200
RP08110SNAX-V02-0016(A103AEC15C7)BATT1
BATT
C257103P
C220103P
C261
105P
R2321K
C260564P
FC13
FC22
CD1 VIN4 VOUT1 5
VOUT2 8
VC
C6
GN
D7
U205
M4890
R231470K C259
47P
C262101P
C263101P
L208
271T
L207
271T
SP+
SP-
11
22
LS200
S-0054(16R1W)
R219
1KSP+
SP-
C258104P
+5
+5
R218
8K2
C239
104P
+3.3
11
22
33
D204NOUSE
+3.3
B11
GND2
B03 A 4
VCC 5
S 6
U201
SGM4157YC
C255103P
A 1
B 2
C 3
4 4J201
PJ-3270
C228225P/16V
Q202DTA114EE
Q201DTA114EE
UTX1R226
1K
R23010K
A-AF
XOUT3 GND 2
VC 1VCC4X200
13.000MHz(NDK/END3458-2.5*3.2)
C205
104P
R201
100K
C204104P
C21456P
C21610P(C)
L201
101P
C212NOUSE
XTAL
C202103P R210
22R
3M3
L200
3.3uH
L202
271T
R220
3K9
R221
470R C242103PE200
4.7uF/10V
MIC
C241104P
L203
601T
A 1
B 2
C 3
4 4J200
PJ-208B
Q206DTA123JE
L204601T
R2223K9
+3.3
C223
101P
R211100R
R21310K
Q204DTC114EE
+3.3
+3.3
11
22
33
D200DA221
URX1
UTX1
1 122 3 3D201
1SS372
PTT DET
E201
100uF/10V(C,M)
11
22
MK200
MIC-0005(6035P-37DB)C224103P
R21222K
C203103P
FREQ CONT
TX=HI ENABLE
TX UHF/VHF
RDA1846 CLK
RDA1846 DATA
A RDA1846 SENB
MIC MUTE
AF MUTE
VHF RX CONT
UHF RX CONT
R235
1K
PA6
PB10PB11
PB12
PA12PA15
PA8
PB5
PD1
PB6
PB7
PA11
PB14
PB15
PA9
PA10
PA9
PD1
PA6
PA12
PA15
PB14
PB6
PB7
PB15
PA11
PA8
PB5
PA9
PA10
PB10
PB11
PB12
C225104P
R237
470R C270103PE202
4.7uF/10V
+3.3R236
560R
D205ESD5Z12T1
MOD
P200TH-PBJ-0013
MAIN - 2 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4XR / FT-4XE)
Circuit Diagram (3/4)
C521103P
+3.3
C520104P
C503103P
R551
10K
C522104P
R536150k-1%
R53951k-1%
BATT1
1234
J500
NOUSE
+3.3
E500475P/25V
C516103P
BATT1 +5C533
471P
E50122uF/10V
Vin3
Vss
1
Vout 2
U502ME6118A50B3G
R519
220R
R518
220R
Vout 3
Vss
1
Vin2U501
ME6216-33M
C542475P/16V
+5
C543475P/16V
+3.3
CE01
CE12
CE23
GN
D4
SDA 5SCL6
MODE 7
VCC
8
U504
AT24C128RM(8)
C523104P
+3.3
C527105P
C536471P
BT500#FH310BATT(7.4V/LI-ion)
C545225P/16V
5T
R528R36-1%
R529R36-1%
R530R36-1% C534
471P
C531
101P
C535471P
R534
150K-1%
R535
150K-1%
R531
150K-1%
R532
150K-1%5
67
U503BNJM2904V
R511
10K
R533300K-1%
R51547K
R538
1M
3
21
84
U503ANJM2904V
BATT
R520220K
Q504
RT1N141U
C510102P
C526105P
C515103P
L501
30T
C519103P
R513
10K
BATTY
C517103P
R537
3K9
C529NOUSE
R54268K
R5161K5
Q505
DTC144EE
Q502 DTA144EE
APC
C511102P
PAA
R514
6K8C513102P
C512102P
t
RT500100K-NTC
BAT
C537471P
RDA5830-I2C-SDA
RDA5830-I2C-SCL
SDA
SCL
C518103P
11
22
S511F/W KEY(3*6)
11
22
S512MONI SW(3*6)
11
22
S510Emergency(SKRTLAE010)
R50710K
R50610K
C500102PC501
102P
2T/5T/DTMF
A-SQ
RDA1846 CLK
RDA1846 DATA
A RDA1846 SENB
VOX DET
TX=HI ENABLE
UART1-TX
UART1-RX
AUDIO POWER
TX UHF/VHF
PA5
PTT KEY DET
R522
100R
C538471P
C539471P
FREQ CONT
R510
100K
C514104P
R5014K7
R5034K7
S5064
S5075
S5176
S518P2
S5047
S5058
S5159
S502*
S5030
S513#
S5081
S5092
S5193
S520P1
1234
8765
RP5021K
1234
8765
RP50110K
+3.3
C509
102P
C508
102P
C507
102P
C505
102P
11
22
S500UP
11
22
S501DN
MIC MUTE
AF MUTE
VHF RX CONT
UHF RX CONT
52
6
4
3
1
D508
B3813BRG-H2C-00021K
D509LRB521S-30T1G
C544
104P
R549
10K
C550104P
C551104P
C549104P
C504104P
R55010K
C541103P
R500
10K
PA6
PA7
PA4
PA13
PA14
C525104P
+3.3C546CESDBLC5V0D5
+3.3
R54833R
Q5062SC1623
R545
1K
R5461K
BATT1
D506
LED(B1931TX-05P-002614)
D504
LED(B1931TX-05P-002614)
R526
10R
D503
B1101TX-20P-001033
R525
470R
D507
LED(B1931TX-05P-002614)
D505
LED(B1931TX-05P-002614)
R527
10R
C524104P
BATT1
PA0PA1PA2PA3
PA6
PA7
PA8
PA9
PA10
PA11
PA12
PA13PA14
PA15
PB8
PB9PB13
PB14
PB15
PC13
PC15
PB8
PB9
BATTY
11
22
S521PTT(SKHLLBA010)
C552103P
R50210K
D501ESD5Z12T1
CO
M0
1
CO
M1
2
CO
M2
3
CO
M3
4
SEG
05
SEG
16
SEG
27
SEG
38
SEG
49
SEG
510
SEG
611
SEG
712
SEG
813
SEG
914
SEG
1015
SEG
1116
SEG
1217
SEG
1318
SEG
1419
SEG
1520
SEG
1621
SEG
1722
SEG
1823
SEG
1924
SEG
2025
SEG
2126
SEG
2227
SEG
2328
SEG
2429
SEG
2530
SEG
2631
SEG
2732
SEG
2833
SEG
2934
SEG
3035
SEG
3136
SEG
3237
SEG
3338
SEG
3439
DS500LCD-FH310(FXD10084-FL)
CO
M0
CO
M1
CO
M2
CO
M3
SEG
0SE
G1
SEG
2SE
G3
SEG
4SE
G5
SEG
6SE
G7
SEG
8SE
G9
SEG
10SE
G11
SEG
12SE
G13
SEG
14SE
G15
SEG
16SE
G17
SEG
18SE
G19
SEG
20SE
G21
SEG
22SE
G23
SEG
24SE
G25
SEG
26SE
G27
SEG
28SE
G29
SEG
30SE
G31
SEG
32SE
G33
SEG
34
VD
D1
SDA
2SC
L3
GN
D4
SEG
05
SEG
16
SEG
27
SEG
38
SEG
49
SEG
510
SEG
611
SEG
712
SEG813 SEG914 SEG1015 SEG1116 SEG1217 SEG1318 SEG1419 SEG1520 SEG1621 SEG1722 SEG1823 SEG1924 SEG
2025
SEG
2126
SEG
2227
SEG
2328
SEG
2429
SEG
2530
SEG
2631
SEG
2732
SEG
2833
SEG
2934
SEG
3035
SEG
3136
SEG32 37
SEG33 38
SEG34 39
SEG35 40
SEG36 41
SEG37 42
SEG38 43
SEG39 44
COM0 45
COM1 46
COM2 47
COM3 48
U505
TM1727
SEG
0SE
G1
SEG
2SE
G3
SEG
4SE
G5
SEG
6SE
G7
SEG8SEG9SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19
SEG
20SE
G21
SEG
22SE
G23
SEG
24SE
G25
SEG
26SE
G27
SEG
28SE
G29
SEG
30SE
G31
SEG32SEG33SEG34
COM0COM1COM2COM3
VBAT1
PC13-TAMPER-RTC2
PC14-OSC32_IN3
PC15-OSC32_OUT4
PD0-OSC_IN5
PD1-OSC_OUT6
NRST7
VSSA8
VDDA9
PA0-WKUP10
PA111
PA212
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PB0
18
PB1
19
PB2
20
PB10
21
PB11
22
VSS
123
VD
D1
24
PB12 25PB13 26PB14 27PB15 28PA8 29PA9 30PA10 31PA11 32PA12 33PA13 34VSS2 35VDD2 36
PA14
37PA
1538
PB3
39PB
440
PB5
41PB
642
PB7
43B
OO
T0
44PB
845
PB9
46V
SS3
47V
DD
348
U500
GD32F101CBT6
PD0PD1NRST
PC13PC14PC15
PA0PA1PA2
PA3
PA4
PA5
PB0
PB1
PB2
PB10
PB11
PB12PB13PB14PB15PA8PA9PA10PA11PA12PA13
PA14
PA15
PB3
PB4
PB5
PB6
PB7
PB8
PB9
+3.3
SDA
SCL
PB8
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB10
PB11
PB12
PC14
PD0
PD1
MAIN - 3 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4XR / FT-4XE)
Circuit Diagram (4/4)
GND1
LNAN2
RFGND3
LNAP4
GND5
XTAL6
RST
7
SEN
8
SCL
K9
SDIO
10
RC
LK
11
VIO
12
AVDD 13
GND 14
ROUT 15
LOUT 16
GND 17
DVDD 18
GPI
O3
19
GPI
O2
20
GPI
O1
21
NC
22
NC
23
GN
D24
U1
RDA5802N
C247P
L1180NH
C315P
C6104P
C4103P
+3.3
Y132.768KHz
C1102P
+3.3
SDA
SCL
2T/5T/DTMFA-SQ
AUDIO POWER
VOX DET
UART1-TXUART1-RX
PTT KEY DET
RDA1846S-TXRDA1846S-RX
FM AUDIO LOUT
FREQ CONT
TX=HI ENABLE
TX UHF/VHF
RDA1846 CLKRDA1846 DATA
A RDA1846 SENB
MIC MUTEAF MUTE
VHF RX CONTUHF RX CONT
FH310UV-BASEFH310UV-BASE.Sch
2T/5T/DTMFA-SQ
AUDIO POWER
VOX DET
UART1-TXUART1-RX
PTT KEY DET
RDA1846S-TXRDA1846S-RX
FM AUDIO LOUT
FREQ CONT
TX=HI ENABLE
TX UHF/VHF
RDA1846 CLKRDA1846 DATA
A RDA1846 SENB
MIC MUTEAF MUTE
VHF RX CONTUHF RX CONT
RDA5830-I2C-SDARDA5830-I2C-SCL
2T/5T/DTMFA-SQRDA1846 CLKRDA1846 DATAA RDA1846 SENBVOX DETTX=HI ENABLEUART1-TXUART1-RXAUDIO POWERTX UHF/VHFPTT KEY DETFREQ CONTMIC MUTEAF MUTEVHF RX CONTUHF RX CONT
FH310UV-CONTFH310UV-CONT.Sch
RDA5830-I2C-SDARDA5830-I2C-SCL
2T/5T/DTMFA-SQRDA1846 CLKRDA1846 DATAA RDA1846 SENBVOX DETTX=HI ENABLEUART1-TXUART1-RXAUDIO POWERTX UHF/VHFPTT KEY DETFREQ CONTMIC MUTEAF MUTEVHF RX CONTUHF RX CONT
RDA1846S-TXRDA1846S-RX
RDA5802-RX
FH310UV-RFFH310UV-RF.Sch
RDA1846S-TXRDA1846S-RX
RDA5802-RX
MAIN - 4 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4XR / FT-4XE)
Parts Layout
Side A Side B
MAIN - 5 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4XR / FT-4XE)
Circuit Diagram (1/4)
C831
102P
P800#RCA
C867
NOUSE
C837
10P(C)
C866NOUSE
L8177T
L8166T
L8138T
L81910K(0805)
C83922P
L827NOUSE
L828NOUSE
C83624P
C884
56P
D805
BA592
C829
101P
C901
33P
L812470NH
L84356NH
R806
220R
C828102P
C830102P
5TV
C897
NOUSE
C898
NOUSE
D814NOUSE
G1
D 2
S 3
Q805
NOUSE
L825NOUSE
L840NOUSE
C899
NOUSE
R820
NOUSE
C862NOUSE
C865NOUSE
L842NOUSE
5TU
C838NOUSE
C869NOUSE
C855
22P
C83415P
C870NOUSE
C891
15P
D806BA892
D807BA892
C89210P(C)
L81882NH
D809NOUSE
D810NOUSE
C835
15P
C840
471P
C874NOUSE
C872NOUSE
C878
NOUSE
C875
NOUSE
D816BA892
C811
101P
C877
NOUSE
D815NOUSE
C886
NOUSE
L830NOUSE
5TV
L829NOUSE
R823NOUSE
L833NOUSE
D811NOUSE
L832NOUSE
C876
NOUSE
R807
NOUSE5TU5TV
C881
NOUSE
C880
NOUSE
C857NOUSE
D801NOUSE
D800R0
C859NOUSE
C800103P
L822
NOUSE
R814
NOUSE
R817
NOUSEC851NOUSER816
NOUSE
APC
C849102P
C814NOUSE
C805103P
C853ESD5Z12T1
L841NOUSE
C890
NOUSE
R821NOUSE
R822
NOUSE
R829
NOUSE
C868NOUSE
C889NOUSE
C863NOUSE
5RU
L826NOUSE
C888
NOUSE
L836
102P
L839NOUSE
C88310P(C)
C89682P
L83568NH
R826
470K
R825
100R
R824470R
R818NOUSE
C882102P
D804
NOUSE
C879103P
C854NOUSE
5RV
L821NOUSE
L834120NH
C89416P
C887
15P
L83856NH
RDA1846S-TX
RDA1846S-RX
L802
271T
R81222K
R813
68K
R81147R
C808471P
C85018P
C806103P
C846102P
C871
NOUSE
C873
NOUSE
C841
NOUSE
G1
D 2
S 3
Q801
2SK3078(UW)
L8034T
R803100R
C847103P
C845NOUSE
C844
10P
L820
10R
C842
10P(C) Q8032SC3356(R24)
R80910K
R81022R
C843102P
L801NOUSE
C801
3P(B)
C803NOUSEL800
82NH
R808
R0
D808
NOUSE
C895
471P
C833
6P(B)
L8145T
C83227P
RDA5802-RX
BAT
C852NOUSE
+5
Q806
NOUSE
Q807
HE4226(R24)
G1
D 2
S 3
Q802
RQA0009C821NOUSE
C82447P
L8093T
C82730P
L8115T
C826
7P(C)
C822
9P(C) C82547P
L8089T
C820471P
C819103P
L810
30T
C8181P(B)
BAT
C823102P
C893NOUSE
C81322P
C861NOUSE
C864NOUSE
C856NOUSE
C860NOUSE
5RV
L823NOUSE
C885NOUSE
R828
NOUSE
L824NOUSE
C858NOUSE
5RU
C81512P
R819NOUSE
R800
30K
R80447R
D812R0
C812102P
R827NOUSE
R80156K
D813
NOUSE
5TU
APC
C817NOUSE
R805
NOUSE
C802102P
C816NOUSE
L807
NOUSE
L805R0
L806
22NH
D803
NOUSE
Q800
NOUSE
5TU
5TVC804NOUSE
C807102P
Q804
NOUSE
R802
NOUSE
C848NOUSE
C809NOUSE
L804NOUSE
5TV
D802R0
R815NOUSE
C810
101P
P801TH-DRJ-0031
P802TH-PBJ-0027
C900EZAEG3A50AV
MAIN - 6 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4VR / FT-4VE)
Circuit Diagram (2/4)
2T/5T/DTMF
A-SQ
AUDIO POWER
PA7
VOX DET
UART1-TX
UART1-RX
PTT KEY DET
R200
104P
B11
GND2
B03 A 4
VCC 5
S 6
U206
SGM4157YC
+3.3
MIC
R204
1K
RDA1846S-TX
RDA1846S-RX
FM AUDIO LOUTFM-L
A-TX
A-RX
C227102P
C25010P
C234103P
C232103P
A-AF
MOD
1234
8765
RP202
1KX4
C248
NOUSE
C229104P
C235471P
C236104P
AVDD1
SCLK2
SDIO3
AVDD4
XTAL15
XTAL26
MODE7
SENB8
AFO
UT
9
NC
10
MIC
_IN
11
Cc
12
AV
DD
13
NC
14
RFI
N15
AV
DD
16
NC 17RFOUT 18NC 19NC 20AVDD 21PABIAS 22AVDD 23PDN 24
GPI
O7/
VO
X25
GPI
O6/
SQ26
GPI
O5/
TXO
N27
GPI
O4/
RXO
N28
GPI
O3/
SDO
29G
PIO
2/IN
T30
GPI
O1/
COD
E_I
N/O
UT
31G
PIO
0/CC
SIN
/OU
T32
GN
D0
U200
RDA1846S
VCCA
VCCA
VCCA
PAA
C251104P
C254102P
XTAL
C245103P
C231103P
C246104P
L206271T
3M3
C230
15P
L205
10uH
C233
471P
R214
R0A-TX
A-RXC252
101P
R225
1K
C243
104P
R2296K8
R216
10K
C237
104PC240NOUSE
R217
120K
C238
472P
C226103P
FM-L
PA7
C221103P
C217103P
5TV 5TU
+3.3
R224
150K
C244
104P
PA7
B1 1
GND 2
B0 3A4
VCC5
S6
U202
SGM4157YC
C222103P
5RU
5RV+3.3
C219NOUSE
C218103P
+5
A
Vout3
Vss
1
Vin 2
U203ME6216-33M
C253104P
+5
C247475P/16V
3M3
12 3
4RP201
1KX2
12 3
4RP200
1KX2VCCA
Q205DTC114EE
Q203DTA123JE
5T
R223
4K7
5T
11
33
W2 44
55W200
RP08110SNAX-V02-0016(A103AEC15C7)BATT1
BATT
C257103P
C220103P
C261
105P
R2321K
C260564P
FC13
FC22
CD1 VIN4 VOUT1 5
VOUT2 8
VC
C6
GN
D7
U205
M4890
R231470K C259
47P
C262101P
C263101P
L208
271T
L207
271T
SP+
SP-
11
22
LS200
S-0054(16R1W)
R219
1KSP+
SP-
C258104P
+5
+5
R218
8K2
C239
104P
+3.3
11
22
33
D204NOUSE
+3.3
B11
GND2
B03 A 4
VCC 5
S 6
U201
SGM4157YC
C255103P
A 1
B 2
C 3
4 4J201
PJ-3270
C228225P/16V
Q202DTA114EE
Q201NOUSE
UTX1R226
1K
R23010K
A-AF
XOUT3 GND 2
VC 1VCC4X200
13.000MHz(NDK/END3458-2.5*3.2)
C205
104P
R201
100K
C204104P
C21456P
C21610P(C)
L201
101P
C212NOUSE
XTAL
C202103P R210
22R
3M3
L200
3.3uH
L202
271T
R220
3K9
R221
470R C242103PE200
4.7uF/10V
MIC
C241104P
L203
601T
A 1
B 2
C 3
4 4J200
PJ-208B
Q206DTA123JE
L204601T
R2223K9
+3.3
C223
101P
R211100R
R21310K
Q204DTC114EE
+3.3
+3.3
11
22
33
D200DA221
URX1
UTX1
1 122 3 3D201
1SS372
PTT DET
E201
100uF/10V(C,M)
11
22
MK200
MIC-0005(6035P-37DB)C224103P
R21222K
C203103P
FREQ CONT
TX=HI ENABLE
TX UHF/VHF
RDA1846 CLK
RDA1846 DATA
A RDA1846 SENB
MIC MUTE
AF MUTE
VHF RX CONT
UHF RX CONT
R235
1K
PA6
PB10PB11
PB12
PA12PA15
PA8
PB5
PD1
PB6
PB7
PA11
PB14
PB15
PA9
PA10
PA9
PD1
PA6
PA12
PA15
PB14
PB6
PB7
PB15
PA11
PA8
PB5
PA9
PA10
PB10
PB11
PB12
C225104P
R237
470R C270103PE202
4.7uF/10V
+3.3R236
560R
D205ESD5Z12T1
MOD
P200TH-PBJ-0013
MAIN - 7 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4VR / FT-4VE)
Circuit Diagram (3/4)
C521103P
+3.3
C520104P
C503103P
R551
10K
C522104P
R536150k-1%
R53951k-1%
BATT1
1234
J500
NOUSE
+3.3
E500475P/25V
C516103P
BATT1 +5C533
471P
E50122uF/10V
Vin3
Vss
1
Vout 2
U502ME6118A50B3G
R519
220R
R518
220R
Vout 3
Vss
1
Vin2U501
ME6216-33M
C542475P/16V
+5
C543475P/16V
+3.3
CE01
CE12
CE23
GN
D4
SDA 5SCL6
MODE 7
VCC
8
U504
AT24C128RM(8)
C523104P
+3.3
C527105P
C536471P
BT500#FH310BATT(7.4V/LI-ion)
C545225P/16V
5T
R528R36-1%
R529R36-1%
R530R36-1% C534
471P
C531
101P
C535471P
R534
150K-1%
R535
150K-1%
R531
150K-1%
R532
150K-1%5
67
U503BNJM2904V
R511
10K
R533300K-1%
R51547K
R538
1M
3
21
84
U503ANJM2904V
BATT
R520220K
Q504
RT1N141U
C510102P
C526105P
C515103P
L501
30T
C519103P
R513
10K
BATTY
C517103P
R537
3K9
C529NOUSE
R54268K
R5161K5
Q505
DTC144EE
Q502 DTA144EE
APC
C511102P
PAA
R514
6K8C513102P
C512102P
t
RT500100K-NTC
BAT
C537471P
RDA5830-I2C-SDA
RDA5830-I2C-SCL
SDA
SCL
C518103P
11
22
S511F/W KEY(3*6)
11
22
S512MONI SW(3*6)
11
22
S510Emergency(SKRTLAE010)
R50710K
R50610K
C500102PC501
102P
2T/5T/DTMF
A-SQ
RDA1846 CLK
RDA1846 DATA
A RDA1846 SENB
VOX DET
TX=HI ENABLE
UART1-TX
UART1-RX
AUDIO POWER
TX UHF/VHF
PA5
PTT KEY DET
R522
100R
C538471P
C539471P
FREQ CONT
R510
100K
C514104P
R5014K7
R5034K7
S5064
S5075
S5176
S518P2
S5047
S5058
S5159
S502*
S5030
S513#
S5081
S5092
S5193
S520P1
1234
8765
RP5021K
1234
8765
RP50110K
+3.3
C509
102P
C508
102P
C507
102P
C505
102P
11
22
S500UP
11
22
S501DN
MIC MUTE
AF MUTE
VHF RX CONT
UHF RX CONT
52
6
4
3
1
D508
B3813BRG-H2C-00021K
D509LRB521S-30T1G
C544
104P
R549
10K
C550104P
C551104P
C549104P
C504104P
R55010K
C541103P
R500
10K
PA6
PA7
PA4
PA13
PA14
C525104P
+3.3C546CESDBLC5V0D5
+3.3
R54833R
Q5062SC1623
R545
1K
R5461K
BATT1
D506
LED(B1931TX-05P-002614)
D504
LED(B1931TX-05P-002614)
R526
10R
D503
B1101TX-20P-001033
R525
470R
D507
LED(B1931TX-05P-002614)
D505
LED(B1931TX-05P-002614)
R527
10R
C524104P
BATT1
PA0PA1PA2PA3
PA6
PA7
PA8
PA9
PA10
PA11
PA12
PA13PA14
PA15
PB8
PB9PB13
PB14
PB15
PC13
PC15
PB8
PB9
BATTY
11
22
S521PTT(SKHLLBA010)
C552103P
R50210K
D501ESD5Z12T1
CO
M0
1
CO
M1
2
CO
M2
3
CO
M3
4
SEG
05
SEG
16
SEG
27
SEG
38
SEG
49
SEG
510
SEG
611
SEG
712
SEG
813
SEG
914
SEG
1015
SEG
1116
SEG
1217
SEG
1318
SEG
1419
SEG
1520
SEG
1621
SEG
1722
SEG
1823
SEG
1924
SEG
2025
SEG
2126
SEG
2227
SEG
2328
SEG
2429
SEG
2530
SEG
2631
SEG
2732
SEG
2833
SEG
2934
SEG
3035
SEG
3136
SEG
3237
SEG
3338
SEG
3439
DS500LCD-FH310(FXD10084-FL)
CO
M0
CO
M1
CO
M2
CO
M3
SEG
0SE
G1
SEG
2SE
G3
SEG
4SE
G5
SEG
6SE
G7
SEG
8SE
G9
SEG
10SE
G11
SEG
12SE
G13
SEG
14SE
G15
SEG
16SE
G17
SEG
18SE
G19
SEG
20SE
G21
SEG
22SE
G23
SEG
24SE
G25
SEG
26SE
G27
SEG
28SE
G29
SEG
30SE
G31
SEG
32SE
G33
SEG
34
VD
D1
SDA
2SC
L3
GN
D4
SEG
05
SEG
16
SEG
27
SEG
38
SEG
49
SEG
510
SEG
611
SEG
712
SEG813 SEG914 SEG1015 SEG1116 SEG1217 SEG1318 SEG1419 SEG1520 SEG1621 SEG1722 SEG1823 SEG1924 SEG
2025
SEG
2126
SEG
2227
SEG
2328
SEG
2429
SEG
2530
SEG
2631
SEG
2732
SEG
2833
SEG
2934
SEG
3035
SEG
3136
SEG32 37
SEG33 38
SEG34 39
SEG35 40
SEG36 41
SEG37 42
SEG38 43
SEG39 44
COM0 45
COM1 46
COM2 47
COM3 48
U505
TM1727
SEG
0SE
G1
SEG
2SE
G3
SEG
4SE
G5
SEG
6SE
G7
SEG8SEG9SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19
SEG
20SE
G21
SEG
22SE
G23
SEG
24SE
G25
SEG
26SE
G27
SEG
28SE
G29
SEG
30SE
G31
SEG32SEG33SEG34
COM0COM1COM2COM3
VBAT1
PC13-TAMPER-RTC2
PC14-OSC32_IN3
PC15-OSC32_OUT4
PD0-OSC_IN5
PD1-OSC_OUT6
NRST7
VSSA8
VDDA9
PA0-WKUP10
PA111
PA212
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PB0
18
PB1
19
PB2
20
PB10
21
PB11
22
VSS
123
VD
D1
24
PB12 25PB13 26PB14 27PB15 28PA8 29PA9 30PA10 31PA11 32PA12 33PA13 34VSS2 35VDD2 36
PA14
37PA
1538
PB3
39PB
440
PB5
41PB
642
PB7
43B
OO
T0
44PB
845
PB9
46V
SS3
47V
DD
348
U500
GD32F101CBT6
PD0PD1NRST
PC13PC14PC15
PA0PA1PA2
PA3
PA4
PA5
PB0
PB1
PB2
PB10
PB11
PB12PB13PB14PB15PA8PA9PA10PA11PA12PA13
PA14
PA15
PB3
PB4
PB5
PB6
PB7
PB8
PB9
+3.3
SDA
SCL
PB8
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB10
PB11
PB12
PC14
PD0
PD1
MAIN - 8 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4VR / FT-4VE)
Circuit Diagram (4/4)
GND1
LNAN2
RFGND3
LNAP4
GND5
XTAL6
RST
7
SEN
8
SCL
K9
SDIO
10
RC
LK
11
VIO
12
AVDD 13
GND 14
ROUT 15
LOUT 16
GND 17
DVDD 18
GPI
O3
19
GPI
O2
20
GPI
O1
21
NC
22
NC
23
GN
D24
U1
RDA5802N
C247P
L1180NH
C315P
C6104P
C4103P
+3.3
Y132.768KHz
C1102P
+3.3
SDA
SCL
2T/5T/DTMFA-SQ
AUDIO POWER
VOX DET
UART1-TXUART1-RX
PTT KEY DET
RDA1846S-TXRDA1846S-RX
FM AUDIO LOUT
FREQ CONT
TX=HI ENABLE
TX UHF/VHF
RDA1846 CLKRDA1846 DATA
A RDA1846 SENB
MIC MUTEAF MUTE
VHF RX CONTUHF RX CONT
FH310UV-BASEFH310UV-BASE.Sch
2T/5T/DTMFA-SQ
AUDIO POWER
VOX DET
UART1-TXUART1-RX
PTT KEY DET
RDA1846S-TXRDA1846S-RX
FM AUDIO LOUT
FREQ CONT
TX=HI ENABLE
TX UHF/VHF
RDA1846 CLKRDA1846 DATA
A RDA1846 SENB
MIC MUTEAF MUTE
VHF RX CONTUHF RX CONT
RDA5830-I2C-SDARDA5830-I2C-SCL
2T/5T/DTMFA-SQRDA1846 CLKRDA1846 DATAA RDA1846 SENBVOX DETTX=HI ENABLEUART1-TXUART1-RXAUDIO POWERTX UHF/VHFPTT KEY DETFREQ CONTMIC MUTEAF MUTEVHF RX CONTUHF RX CONT
FH310UV-CONTFH310UV-CONT.Sch
RDA5830-I2C-SDARDA5830-I2C-SCL
2T/5T/DTMFA-SQRDA1846 CLKRDA1846 DATAA RDA1846 SENBVOX DETTX=HI ENABLEUART1-TXUART1-RXAUDIO POWERTX UHF/VHFPTT KEY DETFREQ CONTMIC MUTEAF MUTEVHF RX CONTUHF RX CONT
RDA1846S-TXRDA1846S-RX
RDA5802-RX
FH310UV-RFFH310UV-RF.Sch
RDA1846S-TXRDA1846S-RX
RDA5802-RX
MAIN - 9 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4VR / FT-4VE)
Parts Layout
Side A Side B
MAIN - 10 FT-4XR/XE/VR/VE Technical Supplement
MAIN Unit (FT-4VR / FT-4VE)
Copyright 2018YAESU MUSEN CO., LTD.All rights reserved.No portion of this manual may bereproduced without the permission ofYAESU MUSEN CO., LTD.
YAESU MUSEN CO., LTD.Tennozu Parkside Building2-5-8 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 JapanYAESU USA6125 Phyllis Drive, Cypress, CA 90630, U.S.A.YAESU UKUnit 12, Sun Valley Business Park, Winnall CloseWinchester, Hampshire, SO23 0LB, U.K. 1806-A