Board Layouts (Display: B-7703H/G, Main: B-7718J) - Icom IC-7100 Service Manual Addendum

(Amended page)
July 2015
SECTION 7. BOARD LAYOUTS
• DISPLAY UNIT B-7703H
(TOP VIEW)
GND
GND
8V
TDS
RDS
VR2K
VR1K C102
BNKBK
MCHBK C107
AFL
RFL
C109
BNKAK
MCHAK C111
3R3V
3R3V
D601
DTXD
IC601
DRXD
R605
BOOT0
C602
IC901
DS302 DS301
RIT
PBT
R120
R119
S603
RIT
DS601
S608
TUNER/CALL
C302
D701 L303
R701 C705
C702
C706 C303
L302
R702
C703
S601 6 S 4 0
MENU NR
NB
DS605 DS602
S613 S609
RF PWR/MIC
SPEED/PITCH P.AMP/ATT
22
[MAIN UNIT]
[MIC]
J401
F8VM FMSL
MICLE
R1004
C1001 PTT
U/D
C405
EP504
EP708 E 7 P 6 0 EP704 EP705 E 7 P 7 0
C714 E 7 P 9 0 E 7 P 0 1
C710
C406
C414
C715
R417
C410
R410
R413
Q404
C412
X201
C114
C113
6 S 5 0 S610 S606
NOTCH SET
DS606 DS603 DS607
6 S 4 1 6 S 5 1 S611
DR Q U I C K
• VR UNIT B-7704C
(TOP VIEW)
B-7704C
DS1
S1
[PWR]•[AF]
[ELEC-KEY] [PHONES/SP]
J403 J402 3R3V
C407
MAINDBK
MAINDAK
CLKK
GND
GND
MICL SQLS
EP505 EP506
R504
RL801
R803
D801
Q801
C801
R801
S616 S602
AUTOTUNE/RX-CS SPEECH/LOCK
DS604 DS608
S607 S612
X F C MPAD
J1
R1
[M-CH]•[CLR]