Icom IC-756proIII Service Manual page 74

• DISPLAY BOARD (TOP VIEW)
J601
10 5V F
PITL
PB1B
PB2B
2 GND
J531
1 NC
L5V 2
HD 105
VD
NC
POLC
NC
NC
100
GND
NC
L5V
RL
GL
BL 95
VCOM
GND
NC
L/ R
U/ D
NC
90
NC
N/ P
23 L18V
- 15V 24
85
to LC D
J221
80
16 SPLK
1K 15
3K
7K
10K
14K 75
18K
21K
24K
28K
50K
70
GENK
FIN K
MPWK
2 MPRK
GND 1
65
to TEN-KE Y
board J1
60
J241
24 MUPK
MDNK 23
MWK
MCL K 55
TSK
XFC K
LOCK
PBTK
NO TK
50
KI4
5VF
KI3
LD V
LOCD
TXD 45
RX D
NO TD
PBTD
GND
GND
GND
40
GND
GND
2
GND 1
to TEN-KEY
35
board J2
30
J120
1 RU P
5VF 2
25
RDN
GND
GND
GND
GND
GND
20
9 GND
GND 10
to RIT board J1
15
10 1
5
7
0
0 5 1 0 15 20 25 30
J101
4 GND
MDN to MAI N
DIAL
MUP
1 5VF
1 2
9
NO TL
J801
PB1A
to PBT
to LC D
PB2A
board J1
GND
GND 1
8 1
9 1 6
26 25
50 1
100
51
75 76
1 32
14 8
14
1 7
16 17
8
35 40 45 50 55 60 65 70 75 80 85 90 95
8 - 3
1 8
4 5
5 4
8 1
1 8
4 5
100 105 110 115 120 125 130 135 140 145 150 155
Hor iz ontal
15 1 23
J301
J201
J802
NC 1
CF L - 2
to MODE
to LC D
board J1
\\Mg_server\SKS\E\ マ ニ ュ ア ル グ
ループ用 \ 各種連絡書 \45 期
16 2 24
160 165 170 175 180 185 190 195 200 205 210 215 220
1 2 24
J321
to MAIN-A to MAIN-A
unit J861
unit J891
2 1 23
J452 J451
1 SSP 1 SPE
NC NC
to MAIN-A
3 SSPE NC unit J352
4 SSP
to CHASSIS
SP1
J941
9 1
10 2
to PHONE
board J1
J921
10 GND
GND 9
GND
GND
GND
GND
GND
GND
2 DO T
D ASH 1
to KEY board J1
J322
1 MICI
M8 V 2
MUD
SQLS
MSND
GND
MMICE
AFO
9 NC
NC 10
to MIC board J2
225 230 235 240 245 250 255