HCD-SR1, HCD-SR2, HCD-SR3 (serv.man2) - Sony Audio Service Manual (repair manual). Page 17

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17
17
HCD-SR1/SR2/SR3
HCD-SR1/SR2/SR3
2-5. BLOCK DIAGRAM — POWER SECTION —
IC006
(AC IN)
Q901
RESET SWITCH
FL+
FL-
VFL
12V
M12V
AC DET
AC ON/OFF
V CONTROL
+12V
6.2V
3.3V
E5.6V
TO FLUORESCENT
INDICATOR TUBE
DC/DC
CONVERTER
T801
IC907
RESET SIGNAL
GENERATOR
RECT
D810,811
D813,814
OSC
Q802
34
RESET
45
AC ON/OFF
11
V CONTROL
90
STOP
IC901 (3/3)
SYSTEM CONTROLLER
IC001
A-3.3V
REG
1
3
IC002
+5V
D5V
A5V
IC601
+10V
REG
1
3
IC004
DA05V
2.5V
DA03V
REG
1
3
IC005
REG
1
3
IC605
REG
1
IC704
+2.5V
REG
5
4
+1.8V
REG
1
3
IC303
+1.8V
E5.6V
REG
5
4
REG
1
3
IC701
LOADING
MOTOR
DRIVER
8 RIN
7 FIN
68
67
78
79
PARA-RST
69
PARA-LT1
4
OUT1
2
OUT2
PARA DO2
L SEN
SW1
D-SEN
(SW3)
SW2
(DISC IN/OUT)
 (TRIGGER)
(CHUKING)
F-IN
R-IN
MTR+
MTR-
OPT-SEN
S701
S702
S703
M701
(LOADING)
M
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