Board Layout - Icom IC-7100 Service Manual Addendum

(Amended page)
February 2017
SECTION 1

BOARD LAYOUT

• VR UNIT B-7704C (Top view)
B-7704C
S1
[PWR]•[AF]
• 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
DS301
RIT
PBT DS302
S603
RIT
DS601
S608
TUNER/CALL
See the PARTS LIST H/V location on the PARTS LIST for location details.
J1
DS1
R1
[M-CH]•[CLR]
C302
D701 L303
R701 C705
C702
C706 C303
L302
R702
C703
R120
R119
S601 6 S 4 0
MENU
NB
DS605 DS602
S613 S609
RF PWR/MIC SPEED/PITCH
24
The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together.
[MAIN UNIT]
J401
F8VM
R1004
U/D
C1001
C405
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
NR NOTCH SET
DS606 DS603 DS607
6 S 4 1 6 S 5 1 S611
P.AMP/ATT DR Q U I C K
[ELEC-KEY] [PHONES/SP]
[MIC]
J403 J402 3R3V
MAINDBK
MAINDAK
CLKK
FMSL MICLE GND
GND
PTT MICL SQLS
EP504 EP505 EP506
R504
RL801
R803
D801
Q801
C801
R801
S616 S602
AUTOTUNE/RX-CS SPEECH/LOCK
DS604 DS608
S607 S612
X F C MPAD
C407