Block Diagram - Power Supply Section - Sony SA-WSIS10 Service Manual

SA-WSIS10/SS-IS10
4-3. BLOCK DIAGRAM – POWER SUPPLY Section –
• Abbreviation
AR : Argentina
E32 : Latin America models except Argentina
SYSTEM CONTROLLER
IC611 (3/3)
P_CONT_FL 28
P_CONT_DSP 45
P_CONT1 40
AC_CUT 20
RESET
RESET 12 SWITCH
Q610
P_CONT2 39
SA-WSIS10/SS-IS10
E +9V
RIPPLE
M +9V FILTER
Q945
+7V
D +7V REGULATOR
IC612
E +12V
+7V
DM +7V REGULATOR
IC614
(EXCEPT E32, AR)
+12V
D +12V REGULATOR
IC942
+12V
A +12V REGULATOR
IC941
E +6V
E +4V
+1.2V +2.6V
DSP +1.2V REGULATOR REGULATOR
IC801 IC802
+3.3V
D +3.3V REGULATOR
IC943
+1.8V
AMP +1.8V REGULATOR
IC221
D602
E +3.3V
D603
SYSTEM +3.3V
RESET SIGNAL
GENERATOR
IC613
T902
SUB POWER
TRANSFORMER
RECT
D944
D932
+31.5V
PROTECT
DETECT
Q947
RECT
D941 MAIN POWER
ON/OFF SWITCH
SHUNT
REGULATOR
IC931
MAIN POWER
ON/OFF SWITCH
Q981, 982
RECT
D942
D922
RECT
D943
SHUNT
ISOLATOR
REGULATOR
PC902
IC951
12 12
T901
D914, 915 D906, 907
MAIN POWER
TRANSFORMER
D905 D908
B+ SWICH
Q901
D910 D909
RECT
D931
ISOLATOR
PC903
Q943
ISOLATOR
PC901
RIPPLE FILTER
Q921
RECT
D901
POWER CONTROL
IC901
1 OCP/SYNC
4 VCC
3 D
5 FB/OLP
POWER CONTROL
IC921
4 VCC
6 FB/OLP
8 STARTUP
1 DRAIN
(AC IN)
TH901
F901
LINE FILTER
LF901, 902