Icom IC-9700 Service Manual page 72

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