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Yaesu FT-712RH, Technical Supplement

The Yaesu FT-712RH is a reliable and user-friendly radio transceiver with advanced features. To ensure smooth operation, make sure to consult the Operating Manual. Download the manual for free from manualshive.com and get acquainted with all the functions and settings of this high-quality communication device. Happy communicating!

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D2001

D2002

D2003
D2004

D2005

D2006
D2007

D2008
D2009

D2010

X2001

R2001
R2002
R2003
R2004
R2005
R2006
R2007

R2008
R2009
R2010
R2011
R2012
R2014
R2015
R2016

R2017
R2018
R2019
R2020
R2021
R2022
R2023
R2024
R2025
R2026
R2027
R2028
R2029
R2030
R2031
R2032

R2033
R2034
R2035
R2036
R2037
R2038
R2039
R2040
R2041
R2042

R2043
R2044
R2045
R2046

R2047
R2048
R2049
R2050
R2051
R2052

R2053J
R2054
R2055
R2056

R2057
R2058
R2059
R2060

R2061
R2062
R2063
R2064

R2065
R2066
R2067

R2068
R2069
R2070

R2071
R2072
R2073

R2074
R2075

G2070003
G2070009
G2070009
G2070009

G2070009
G2070009
G2070009
G2090118
G2090118
G2070009

H0102859

J24205821
J24205101
J24205472
J24205102
J24205103
J24205104
J24205224
J24205103
J24205104
J24205105
J24205473
J24205473
J24205102
J24205103
J24205223
J24205393
J24205823
J24205103
J24215220
J24205683
J24205474
J24205472
J24205473
J24205103
J24205000
J24205103
J24205822
J24205563
J24205103
J24205274
J24205102
J24205222
J24205223
J24205223
J24205393
J24205103
J24205103
J24205104
J24205104
J24205102
J24205102
J24205102
J24205473
J24205102
J24205223
J24205223
J24205473
J24205104
J01275270
J24205472
J24205102
J24205104

J24205223
J24205154
J24205154
J24205154
J24205223
J24205154
J24205154
J24205223
J24205154
J24205154
J24205154
J24205223
J24205223
J24205154
J24205154
J24205154
J24205154

J24205154
J24205154
J24205154

J24205154
J01215154

Diode
Diode
Diode
Diode
Diode
Diode

Diode
Diode
Diode
Diode

XTAL

RES. Chip
RES. Chip

RES. Chip
RES. Chip
RES. Chip^
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip^
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip^
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip^
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip^
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip

Carbon Film RES.
RES. Chip
RES. Chija
RES. Chip
RES. Chip
RES. Chip^

RES. Chip
RES. Chip
RES. Chip^
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip

RES. Chip
RES. Chip^
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
RES. Chip
Carbon Film RES.

1SS226 TE85R
1SS184 TE85R
1SS184 TE85R
1SS184 TE85R

1SS184 TE85R
1SS184 TE85R
1SS184 TE85R
1SS97
1SS97
1SS184 TE85R

HT38 8.0MHz

I/10W 820 ohm
1/10W 100 ohm
1/10W 4.7k ohm
1/10W 1k ohm
1/10W 10k ohm
1/10W 100k ohm
1/10W 220k ohm
1/10W 10k ohm
1/10W 100k ohm
1/10W 1M ohm
1/10W 47k ohm
1/10W 47k ohm

1/10W 1k ohm
1/10W 10k ohm
1/10W 22k ohm
1/10W 39k ohm
1/10W 82k ohm
1/10W 10k ohm
1/8W 22 ohm
1/10W 68k ohm
1/10W 470k ohm
1/10W 4.7k ohm
1/10W 47k ohm

1/10W 10k ohm
1/10W 0 ohm
1/10W 10k ohm
1/10W 8.2k ohm
1710W 56k ohm
1/10W 10k ohm
1710W 270k ohm

1/10W 1k ohm
1/10W 2.2k ohm
1/10W 22k ohm
1/10W 22k ohm
1/10W 39k ohm
1/10W 10k ohm
1/10W 10k ohm
1/10W 100k ohm
1/10W 100k ohm
1/10W 1k ohm
1/10W 1k ohm
1/10W 1k ohm
1/10W 47k ohm
1/10W 1k ohm
1/10W 22k ohm
1/10W 22k ohm
1/10W 47k ohm
1/10W 100k ohm
1/2W 27 ohm
1/10W 4.7k ohm
1/10W 1k ohm
1/10W 100k ohm
1/10W 22k ohm"
1/10W 150k ohm

1/10W 150k ohm
1/10W 150k ohm
1/10W 22k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 22k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 22k ohm
1/10W 22k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 150k ohm
1/10W 150k ohm
1/8W 150k ohm

R2076

VR2001
VR2002

C2001
C2002
C2003
C2004
C2005
C2006
C2007
C2008
C2009
C2010
C2011
C2012
C2013
C2014
C2015
C2016
C2017
C2018
C2019

S2001
S2002
S2003
S2004
S2005
S2006
S2007
S2008
S2009
S2010
S2011

J2001
J2002
J2003
J2004
J2005

BAT2001

[

——~

^Symbol

No.

Q701
Q701

D70i
D702

D703
D704
D705

R701
R702
R703

VR701

C701

C702
C703

J24205154

J60800142
J60800143

K78130010
K22141809
K22170817
K22170219
K22170219
K78120009
K78080002
K22170817
K22170817
K22170817
K22170805
K78120013
K22170817
K22170817
K22170813
K22170813
K22170817

K78080003
K22170817

N5090027
N5090027
N5090027
N5090027
N5090027
N5090027
N5090027
N5090027
N5090027
N4090111
Q9000395

P0090642
P0090643
P0090650
P0090649
P0090158

Q7000078

Q9000366

R7124300
R8118690

T9205637

Q1000065

1.0.1- L liU *

F2935102B

C029352AA

C029352AB

G1090225
G1090799

G2090232
G2090345
G2090425
G2090337
G2090118
G2090377

J01275151
J24205103
J24205223

J50770221

K40129012

K22170801
K22170801

RES. Chip

POT.
POT.

Tantalum. Chip
CAP. Chip
CAP. Chip
CAP. Chip
CAP. Chip^
Tantalum. Chip
Tantalum. Chip
CAP. Chip
CAP. Chip
CAP. Chip
CAP. Chip
Tantalum. Chip
CAP. Chip
CAP. Chip
CAP. Chip
CAP. Chip
CAP. Chip
Tantalum. Chip

CAP. Chip

Tact Switch
Tact Switch
Tact Switch
Tact Switch
Tact Switch
Tact Switch
Tact Switch
Tact Switch
Tact Switch
Push Switch
Rotary Encoder

Connector
Connector
Connector
Connector
Connector

LCD UNIT

Lithium Battery

Press Board
Seal

Wire-ASSY

Lamp

— i!fWJ»»r

Printed Circuit
Board
PCB with
Component
(45W Model)
PCB with
Component
(10W Model)

1C 0
1C A

Diode
Diode o
Diode A
Diode
Diode
Diode

Carbon Film RES.
RES. Chip
RES. Chip

POT.

AL. Electro.
CAP.

CAP. Chip
CAP. 'Chip

1/10W 150k ohm

A 20k ohm
B 20k ohm

20V 2.2uF

B 25V O.luF
B 50V O.OluF
CH 50V 22pF

CH 50V 22pF

10V luF

6.3V 4.7uF

B 50V O.OluF
B 50V O.OluF
B 50V O.OluF
B 50V O.OluF

16V luF

B 50V O.OluF
B 50V O.OluF
B 50V 0.047uF
B 50V 0.047uF
B 50V O.OluF

6.3V lOuF

B 50V O.OluF

SKHLAB
SKHLAB
SKHLAB
SKHLAB
SKHLAB
SKHLAB
SKHLAB
SKHLAB
SKHLAB
SPEAIZ
EVQ-WWNF1524B

( M I C j

AM882

9V 60mA ^Jpcs

•L/C V ll/C

M57704M
M57788M

MI407

UM9415
MI308
1SS97
1SS108

1/2W 150 ohm
1/10W 10k ohm
1/10W 22k ohm

B 220 ohm

16V lOuF

B 50V 470pF
B 50V 470pF

31

Summary of Contents for FT-712RH

Page 1: ...FT 712RH TECHNICAL SUPPLEMENT YAESU MUSEN CO LTD C P O BOX 1500 TOKYO JAPAN MFlNURLC DI SERV X rr pia RH 05910739...

Page 2: ...mponents and the other has either a mixture of both chip and lead components trimmers coils electrolytic capacitors packaged ICs etc or lead components only The two obverse views depict the board a it...

Page 3: ...f its bracket 2 Remove the three screws in the arms of the speaker bracket and remove the bracket TOP COVER REMOVAL Removing the top cover exposes the Solder Side of the Main Unit circuit board and th...

Page 4: ...PA UNIT APC UNIT 430 VCO UNIT LCD UNIT CONTROL UNIT BOARD LAYOUT 2...

Page 5: ...MAIN UNIT No 1 XXX obverse view of component side 3 SOURCE DRAIN GATE 2 Marked surface 3SK164 F 01001 3SK165 J 01002 M54959P 01013 pPC7805H 01018 L7809 01017 TDA2003 01008...

Page 6: ...ITTER COLLECTOR BASE 2SB1134R Q1016 COLLECTOR EMITTER BASE 2S02407 A Q1010 BASE COLLECTOR EMITTER 2SD1000 LL Of007 2SC3357 RK 01009 GATE Marked Surface 2SK208Y JY 01014 reverse view of component side...

Page 7: ...d surface 2SA812 M7 01005 2SC1623 I_7 01004 1006 1015 2SC2620 QB 01003 2SC3356 R24 0 1 0 1 1 1 0 1 2 Marked Surface 1SS184 B3 D1001 HSM2693 B2 D1005 ANODE l CATHODE 2 1SS226 C3 D1002 obverse view of c...

Page 8: ...reverse view of chip only side 6...

Page 9: ...MAIN UNIT VOLTAGE CHART DC VOLTS MAIN UNIT 1C VOLTAGE CHART DC VOLTS...

Page 10: ...chip only side reverse view of mixed component side reverse viewof chip only side Marked Surface M5223FP Q403 2SC1623 L6 Q402 TK10487M Q401 IF UNIT VOLTAGE CHART DC VOLTS 9 CATHODE CATHODE Marked Suff...

Page 11: ...w of 1C side obverse view of chip only side reverse view of 1C side reverse view of chip only side COLLECTOR Marked Surface 2S01623 1 6 0503 FA1A4M T2B L33 0504 506 MPD4052BG Q502 DC VOLTS MIC UNIT VO...

Page 12: ...side reverse view of chip only side CATHODE COLLECTOR B Tr Emitfr Common s crr COLLECTOR Tri COLLECTOR Tr ANOI IODE ANODE CATHOOE CATHODE Marked Surfac FMS1 S1 0601 FMW1 W1 0605 Marked Surface Marked...

Page 13: ...p only side reverse view of component side reverse view of chip only side Marked Surface 2SC3356 R24 0301 DRAIN SOURCE 2SK125 0302 VCO UNIT VOLTAGE CHART DC VOLTS RESISTOR VALUES ARE IN 0 1 tOW CAPACI...

Page 14: ...CONTROL UNIT No 2 XXX rCx ia agi n i w_ r obverse view of mixed component side reverse view of mixed component side 13...

Page 15: ...20 32 HD404418A01F 02003 obverse view of 1C side 14...

Page 16: ...S obverse view of 1C side 15 ANODE 1 CATHOOE 1...

Page 17: ......

Page 18: ...PA UNIT No 7 XX obverse view of component side reverse view of component side 17...

Page 19: ...obverse view of chip only side reverse view of chip only side 18...

Page 20: ...19...

Page 21: ...MAIN UNIT 20...

Page 22: ...21 e s A...

Page 23: ...22...

Page 24: ...ts re placed and the need for realignment deter mined to be absolutely necessary The following test equipment and thorough familiarity with its correct use is necessary for complete realignment Correc...

Page 25: ...ne the transceiver to 430 MHz 432 MHz for Version D and while receiving adjust TC301 on the VCO Unit for at least 0 8V 1 0V for Version D c Retune the transceiver to the frequency indicated below and...

Page 26: ...he center of the band and set the LOW button to the high power position b Adjust L701 for maximum power output at least 36 watts 2 Power Output a With the transceiver tuned to the center of the band s...

Page 27: ...tch the coun ter indication with the transceiver frequency 4 Deviation a Set the AF generator for 25mV output at 1 kHz Adjust VR1003 for 4 5 kHz deviation on the Deviation Meter b Reduce the AF genera...

Page 28: ...01 and CVI 001 in that order for maximum S meter indication Reduce the injection level if necessary to keep the S meter near midrange 2 S Meter Calibration a At the center of the band set the signal g...

Page 29: ...49 R1050 R1051 R1052 R1053 R1054 R1055 R1056 R1057 R1064 R1065 PTH1001 VR1001 R1002 VR1003 VR1004 VR1005 VR1006 VR1007 C1003 C1004 C1005 C1006 C1007 C1008 C1009 C1010 C1011 C1012 C1013 C1014 C1015 C10...

Page 30: ...17 C418 L401 TP401 K Symbol No Q501 502 Q503 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 H7900180 J24205101 J24205101 J24205473 J24205...

Page 31: ...50V 220pF B 25V 0 022uF B 25V O luF B 25V 0 022uF B 25V 0 022uF B 25V 0 022uF B 50V O OOluF B 25V O luF B 25V 0 033uF B 25V O luF K Aai iS SNsse e Device FMS1 T98 2SC1623 T2B L6 2SB624 T2B BV4 2SB624...

Page 32: ...10W 8 2k ohm 1710W 56k ohm 1 10W 10k ohm 1710W 270k ohm 1 10W 1k ohm 1 10W 2 2k ohm 1 10W 22k ohm 1 10W 22k ohm 1 10W 39k ohm 1 10W 10k ohm 1 10W 10k ohm 1 10W 100k ohm 1 10W 100k ohm 1 10W 1k ohm 1...

Page 33: ...pF 16V lOuF CH 50V 4pF CH 50V 6pF B 50V 470pF B 50V 470pF CH 50V lOOpF CH 50V J pF CH 50V lOpF CH 50V 0 5pF CH 50V pF B 50V 470pF CH 50V 12pF CH 50V 12pF CH 50V 8pF B 50V 470pF B 50V 470pF CH 50V 6pF...

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