BDV-IS1000, HT-IS100, SA-WIS100, SS-IS15 - Sony Audio Service Manual (repair manual). Page 21

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SA-WIS100/SS-IS15
SA-WIS100/SS-IS15
21
21
6-5.  BLOCK  DIAGRAM  - PANEL, POWER SUPPLY Section (SA-WIS100) -
POWER CONTROL
IC921
D922
D908
D906, 907
D905
RESET 
SYSTEM CONTROLLER 
IC1002 (5/5) 
+31.5V
RESET 
SWITCH
Q1001
(AC IN)
F901
LINE FILTER
LF901, LF902
RECT
D901
TH901
1 DRAIN
8 STARTUP
4 VCC
6 FB/OLP
POWER CONTROL
IC901
3 D
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
D932
MAIN POWER
ON/OFF SWITCH
Q943
MAIN POWER
ON/OFF SWITCH
Q981, 982
SHUNT
REGULATOR
IC931
SHUNT
REGULATOR
IC951
E +6V 
RECT
D942
E +12V 
A +12V 
RECT
D941
RECT
D943
D +3.3V 
BUP +3.3V 
+3.3V
REGULATOR 
IC943
DSP +1.2V 
+1.2V
REGULATOR 
IC2
RESET SIGNAL 
GENERATOR 
IC1006
E +4V 
E +4V
Q947
Q943
D1005
12
AC_CUT  73
P_CONT2 23
P_CONT1 39
P_CONT4 40
P_CONT3 41
HDMI_+4V
+4V
REGULATOR 
IC841
A +9V
+9V
REGULATOR
IC1010
+12V
REGULATOR 
IC941
AMP +1.8V 
+1.8V
REGULATOR 
IC221
PROTECT
DETECT
Q947
D914, 915
+2.6V
REGULATOR 
IC1001
D-D +5V 
+5V
REGULATOR 
IC1005
A +5V 
+3.3V
+3.3V
REGULATOR 
IC802
+5V
REGULATOR 
IC1008
+5V
+5V
REGULATOR 
IC904
FLUORESCENT
INDICATOR TUBE
ND801
T801
DC/DC
CONVERTER
RECT
D802 - 805 
OSC
Q803
LED DRIVE 
Q802
LED DRIVE 
Q801
LED
KEY2
KEY1
KEY0
LED2
28
66
11 21 24 25
60 62 63 61
56
TS
R
FL_D_OUT
FL_RST
FL_CLK
FL_CS
KL
C
AT
A
D
S
VFL
C
FL DRIVER
AD1, AD2, S1 - S35,
G1 - G11
IC801
D-D +5V 
97
95
94
3 - 50 
LED DRIVE 
Q804
S-AIR LED 
50
(S-AIR)
LED DRIVE 
Q892
LED3
26
(KEY ILLUMINATION)
POWER/
ACTIVE
STANDBY
D801
D801, 811
D811
D807
D894, 897 
LED DRIVE 
Q893
D891-893
I/
S896
INPUT SELECTOR
S891
VOLUME+
S895
VOLUME–
S892
KEY_INT
74
PRESET+
S893
PRESET–
S894
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