Read Sony HT-SF100 / HT-SS100 / STR-KS100 Service Manual online
STR-KS100
STR-KS100
14
14
6-5. BLOCK DIAGRAM - POWER SUPPLY Section -
3
POWER CONTROL
IC901
D
(AC IN)
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
T902
F901
D908
ISOLATOR
PC901
B+ SWITCH
Q901
4 VCC
1 OCP
5 OLP
1
POWER CONTROL
IC921
D
4 VCC
6 FB/OLP
8 STARTUP
RECT
D931
D931
D932
SHUNT
REGULATOR
IC931
D922
D910
D905
D906, 907
POWER ON/OFF
CONTROL
Q943, 947
+31.5V
RECT
D943
D943
D914, 915
TH901
Q921
POWER VOLTAGE
CONTROL
Q944, 964
ISOLATOR
PC902
DSP +1.2V
+2.5V
REGULATOR
IC1004
LF901
LINE
FILTER
LF902
LINE
FILTER
RECT
D901
D901
+1.2V
REGULATOR
IC1001
AMP +1.8V
+1.8V
REGULATOR
IC3003
RECT
D942
D942
DMPORT +5V
+5V
REGULATOR
IC942
RECT
D941
D941
+12V
REGULATOR
IC941
A +9V
B+ SWITCH
Q946
SHUNT
REGULATOR
IC951
STBY +3.3V
50
PCONT_1
23
PCONT_2
SYSTEM CONTROLLER
IC1005 (4/4)
FL
FL
FL
VEE
FOR FLUORESCENT
INDICATOR TUBE
T700
DC/DC
CONVERTER
RECT
D700 – 703
OSC
Q711
60 FL_D_OUT
57 FL_CLK
59 FL_LAT
57 FL_CLK
59 FL_LAT
FLUORESCENT
INDICATOR TUBE DRIVER
IC700
7
DIN
8
CLK
9
STB
FL700
FLUORESCENT
INDICATOR
TUBE
SEG1 – SEG16
14 – 29
GRID1 – GRID12
42 – 31
4 SIRCS_IN
ROTARY
ENCODER
RV770
REMOTE CONTROL
RECEIVER
IC770
MASTER
VOLUME
VOLUME
I/
74 POWER KEY
52
49 VOL_DOWN_A
S700
+9V
REGULATOR
IC1012
D909
L
SD
VOLUME_UP
AMP +12V
HDMI +5V
+5V
REGULATOR
IC3516
K
+1.8V
REGULATOR
IC3528
HDMI +1.8V
+3.3V
REGULATOR
IC943
D +3.3V
97
P_CONT_HDMI
B+ SWITCH
D1001
D1002
5VPWR
D706
ACTIVE
STANDBY
LED DRIVE
Q710
58 CEC_STBY_LED
D1003
ISOLATOR
PC903
95 AD KEY
S770
INPUT
SELECTOR
90 KEY_0
+5V
REGULATOR
IC1013
+5V
47
P_CONT4_DSP
HDMI +3.3V
+3.3V
REGULATOR
IC3526
+5V
REGULATOR
IC1700
AVCC
12
RESET
73
AC_CUT
RESET SIGNAL
GENERATOR
IC1006
RESET
SWITCH
Q1005
(Page 13)
(Page 11)
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