Read Sony DAV-IS50 / SA-WSIS50 Service Manual online
SA-WSIS50
SA-WSIS50
12
12
POWER CONTROL
IC921
D922
D908
D906, 907
D905
RESET
SYSTEM CONTROLLER
IC611 (3/3)
+31.5V
RESET
SWITCH
Q610
(AC IN)
F901
LINE FILTER
LF901, 902
RECT
D901
D901
TH901
1
8 STARTUP
4 VCC
6 FB/OLP
SHUNT REGULATOR
IC901
3
5 FB/OLP
1 OCP/SYNC
4 VCC
RIPPLE FILTER
Q921
ISOLATOR
PC902
ISOLATOR
PC901
ISOLATOR
PC903
B+ SWICH
Q901
T902
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
D910
D909
RECT
D931
D931
D932
MAIN POWER
ON/OFF SWITCH
Q943
MAIN POWER
ON/OFF SWITCH
Q981, 982
SHUNT
REGULATOR
IC931
SHUNT
REGULATOR
IC951
RECT
D944
D944
E +9V
E +6V
RECT
D942
D942
E +12V
D +12V
A +12V
RECT
D941
D941
RECT
D943
D943
D +3.3V
E +3.3V
+3.3V
REGULATOR
IC943
DSP +1.2V
M +8V
+1.2V
REGULATOR
IC801
RESET SIGNAL
GENERATOR
IC613
E +4V
D602
SYSTEM +3.3V
D603
12
AC_CUT 20
P_CONT2 39
P_CONT1 40
P_CONT_DSP 45
P_CONT_FL 28
+12V
REGULATOR
IC942
DM +7V
+7V
REGULATOR
IC614
+12V
REGULATOR
IC941
D +7V
+7V
REGULATOR
IC612
AMP +1.8V
+1.8V
REGULATOR
IC221
PROTECT
DETECT
Q947
RIPPLE
FILTER
Q945
D914, 915
+2.6V
REGULATOR
IC802
(EXCEPT E32, AR)
16
15
14
13
3
5
7
1
3
6
10, 11
D601
B
(Page 11)
D
DRAIN
4-3. BLOCK DIAGRAM – Power Supply Section –
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