Sony HCD-SR1 Service Manual page 95

Q Q
2-5. BLOCK DIAGRAM — POWER SECTION —
3 7 6 3 1 5 1 5 0
IC901 (3/3)
SYSTEM CONTROLLER
S701
SW1 (DISC IN/OUT)
L SEN 78
D-SEN
S702
(SW3)
OPT-SEN 79
S703
SW2
PARA DO2 67
F-IN
PARA-RST 68 7 FIN IC701
LOADING
MOTOR
T E
L 1 3 9 4 2 2 9 6 5 1 3
R-IN
DRIVER
PARA-LT1 69 8 RIN
STOP 90
Q901
RESET 34
RESET SWITCH
AC ON/OFF 45
V CONTROL 11
w w w
HCD-SR1/SR2/SR3
DC/DC
CONVERTER
T801
FL+
FL-
TO FLUORESCENT
RECT
INDICATOR TUBE
VFL D810,811
D813,814
12V
M12V
IC001
+5V
A-3.3V 3 1
REG
D5V
A5V
+10V
(TRIGGER)
DA03V
IC605 IC005
2.5V 1 3 1
(CHUKING)
REG REG
DA05V
+2.5V
MTR+
OUT1 4
M
M701
(LOADING)
MTR-
+1.8V
OUT2 2
+1.8V
E5.6V
IC907
RESET SIGNAL
GENERATOR
x a o
y
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8
OSC
Q802
(AC IN)
+12V
6.2V
3.3V
E5.6V
IC002
3 1
REG
IC601
3 1
REG
IC004
3 1
REG
IC704
4 5
REG
Q Q
3 7 6 3
IC006
3 1
REG
IC303
4 5
REG
u 1 6 3
.
17 17
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2 4
9 9 8
1 5 1 5 0 8 9 2 4
m
c o
HCD-SR1/SR2/SR3
2
9 9
9 8 2 9 9