Icom IC-9700 Service Manual Addendum page 142

IC1001 IC1011
H3R3V
HV(13.8V) H4V H4V H4V H3R3V
DC-DC REG
DCLK_P
IC1091
BACK-UP
CTRL
CAPONS
IC1021
H4V +3R3V USB3R3V
REG
UPWS
IC1031
H4V +3R3V 3R3V
REG
PWRS
IC1071
H4V +2R5V FP2R5V
REG
14V(13.8V) 13.8V
IC1201
+8V
DC-DC
DCLK_N
Q1111,Q1112
WAKE-UP
CTRL
IC1101
I5V
DC-DC
IC1102
DCLK_P
BUFF
DCLK_P
MAIN UNIT (REG BLOCK)
IC1041,IC1042
H3R3V H3R3V H1R18V H1R18V
DC-DC
IC1042
DCLK_P SW
DCSYNCS_
Q1051
H3R3V SD3R3V
SW
SDPWS
3R3V
IC501
3R3V +1R5V DV1R4V
REG
IC1261
8V CURRENT PA8V
DET
DIDL
8V 8V
8V IC1331
8V +5V C5V
REG
IC1231
8V +5V DA5V
REG
IC1221
8V +5V A5V
REG
IC1111
IC1211
I5V +1R1V FC1R1V
DC-DC 8V I2V I2V
DC-DC
0.31A
IC1112
DCLK_N
SW
I2V
DCSYNCS_
IC1121
I2V
I5V +3R3V DA3R3V
REG
IC1131
I5V +3R3V A3R3V
REG
IC1321
I5V +3R3V C3R3V
REG
Explanatory notes
CONTROL Line
Voltage Line (HV)
Voltage Line (14V)
Voltage Line (8V)
Voltage Line ( I 5V)
Voltage Line (H4V)
Voltage Line ( I 2V)
ALCL
NASBS
IC1241
+1R3V 1R3V
REG
IC1246
+1R2V 1R2V
REG
IC1251
+1R8V 1R8V
REG
9-4
IC2601,Q2601
IC2501
ALC ALC
ALC
AMP AMP
IC2601 IC2541
VREFLP
UREFLP
METER APC
12REFLP
AMP AMP
Q2591
IC2501
ALC ALC
EALC
AMP AMP
Q2561,Q2562,Q2567
ALC-CTRL
IC2541
IC2501
IDLP
APC ALC
AMP AMP
ICCV
IC2501
ALC
AMP
IC2541
ALC
AMP
IC2541
ALC
AMP
MAIN UNIT (ALC BLOCK)
VFORLP
POCV
Q2501,Q2511,Q2512
ALC-CTRL AMS
UFORLP
POCV
Q2521,Q2531,Q2532
ALC-CTRL AMS
12FORLP
POCV
Q2541,Q2551,Q2552
ALC-CTRL AMS