Icom IC-910H Service Manual page 87

9-14 MAIN UNIT
• TOP VIEW
P501
VMAIN
from PA unit J501
P1
UMAIN
from PA unit J1
J1101
GND
30
29 INTS
INTM
TXS
RXS
SCON
MCK
MDAT
NC
9V
ETON
AVXL
VOXL
to DISPLAY 5V
NC
PCK
board J7
PDAT
OPB1
FORL
12PS
ALCL
12DS
43PV
12UL
14PV
12ST
POWS
12PV
TEMP 2
1 GND
J2
IFM 1
2 GND
NC
14V
14V
NC
GND
DRES
TXS
RXS
12TP
1FOR
to UX-910 12PV
OPB1
-5V
PCK
PDAT
12ST
12PS
12DS
12UL
GND
GND
24 GND
IFS 25
P30
USUB
from PA unit J30
P510
VSUB
from PA unit J510
to UT-106
2
J1771
1
MP1
15 1
J1301
16 2
to PA unit J504
9 - 11
10
to DISPLAY
board J14
to PLL unit J601
2 1 1 2
J1201 J501
9
J1761 15 1
J1351
4 1
to UT-106
16 2
to PA unit J39
to UT-106
2 10
J1781
to UT-106
J1751
1
AFM
GND
NC
4 NC
1 9
J1051
1 2
to PLL
unit J701
J1151
GND 30
29 CIV
CIVE
DRES
PTT1
MIUD
SEND
ATXS
DASH
DOT
SBSY
KDS
to DISPLAY
CENM
AGRM
board J8
SOLM
NSQM
SMLM
CTCM
BEEP
CENS
AGRS
SQLS
NSQS
SMLS
CTCS
MSC
OVDV
-5V
TONE 2
1 GND
1 7
J1801
to UT-102
2 8
J1802
1
DSOM
GND
to UT-106
GND
4 DSOS
J1853
2 SPE
to PA unit J50
1 SP
J1251
1 MSPO
SSPO
to DISPLAY
PHG
board J14
14V
HV
5