Icom IC-756PROII Service Manual page 76

• DISPLAY BOARD (BOTTOM VIEW)
J531
1 NC
L5V 2
HD
VD
NC
POLC
NC
NC
GND
NC
to LCD L5V
RL
GL J601
BL
10
VCOM 5VF
GND
NC PITL
L/R
U/D PB1B
NC
NC PB2B
N/P
23 L18V 2 GND
-15V 24
J221
16
SPLK
15
1K
3K
7K
10K
14K
18K
21K
24K
28K
50K
GENK
FINK
MPWK
2
MPRK
GND 1
to TEN-KEY
board J1 14
1 14
J241
24 MUPK
23
MDNK
MWK
MCLK
TSK 7 8 1
XFCK
LOCK
PBTK
NOTK
KI4 J120
J101
5VF
KI3
1 RUP GND
LDV
5VF 2
LOCD
RDN MDN
TXD
GND
RXD
GND MUP
NOTD
GND
PBTD
GND
GND
GND
GND
9 GND
GND to MAIN
GND 10
GND
DIAL
2 GND
1 to RIT board J1
GND
to TEN-KEY
board J2
1 2
NOTL 9
J801
PB1A
to PBT
PB2A
board J1 to LCD
GND
GND 1
8 1
9 16
5
8
25
26
50 1
51 100
75 76
1
4
1 32
8
7
16 17
J201
to MODE
4
board J1
5VF 1
23
J301
24
1 8
4 5
4
1
8
5
1
15
J802
NC 1
CFL- 2
to LCD
16 2
to MAIN-A
unit J891
1
2
2 24
J321
23
1
to MAIN-A unit J861
8 - 3
J451
J452
1
SPE
SSP 1
to MAIN-A
NC
to SP NC
NC unit J352
SSPE 3
SSP 4
9 1
J941
10 2
to PHONE
board J1
J921
10 DASH
9
DOT
GND
GND
GND
GND
GND
GND
2 GND
1
GND
to KEY board J1
J322
1 MICI
2
M8V
MUD
SQLS
MSND
GND
MMICE
AFO
9 NC
NC 10
to MIC board J2