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STR-KS1100
12
12
STR-KS1100
4-4. BLOCK DIAGRAM – PANEL/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/SYNC
5 FB/OLP
1
POWER CONTROL
IC921
DRAIN
4 VCC
6 FB/OLP
8 STARTUP
RECT
D931
D931
D932
ISOLATOR
PC903
SHUNT
REGULATOR
IC931
D922
D910
D905
D906, 907
POWER ON/OFF
CONTROL
Q943, 947
+31.5V
RECT
D943
D943
E4V
D914, 915
TH901
REGULATOR
Q921
POWER VOLTAGE
CONTROL
Q944, 964
ISOLATOR
D904
PC902
DSP +1.8V
+3.3V
REGULATOR
IC943
LINE
FILTER
LF901
LINE
FILTER
LF902
RECT
D901
D901
+1.8V
REGULATOR
IC1034
AMP +1.8V
+1.8V
REGULATOR
IC303
+3.3V
RECT
D942
D942
D. DCON +5V
+5V
REGULATOR
IC942
RECT
D941
D941
+12V
REGULATOR
IC941
+9V
+12V
RECT
D944
D944
B+ SWITCH
Q945
B+ SWITCH
Q946
+5V
REGULATOR
IC1033
+8V
A+5V
SHUNT
REGULATOR
IC951
STBY +3.3V
D1006
RESET SIGNAL
GENERATOR
IC1111
48
STOP P. STOP
77
RSTX
46
P. CONT1
91
P-CONT3
17
P-CONT2
SYSTEM CONTROLLER
IC1601 (4/4)
FL
FL
FL
VEE
FOR FLUORESCENT
INDICATOR TUBE
DC/DC CONVERTER
T700
RECT
D700 – 703
OSC
Q801
72 FL_DIN
73 FL_CLK
74 FL_STB
73 FL_CLK
74 FL_STB
FLUORESCENT
INDICATOR TUBE DRIVER,
LED DRIVER
IC700
7
DIN
8
CLK
9
STB
DVD_LED, VIDEO_LED,
SAT_LED, C-LINK_LED
D720 – 724
(PANEL INDICATOR)
FLUORESCENT
INDICATOR TUBE
FL700
SEG1 – SEG16
14 – 29
GRID1 – GRID12
42 – 31
1 – 4
54 SIRCS
ROTARY
ENCODER
RV700
LEVEL SHIFT
IC1651
REMOTE CONTROL
RECEIVER
IC701
MASTER
VOLUME
VOLUME
I/1
38 – 40
A/D0 – A/D2
S701 – 706
56 POWER_KEY
70 VOLB
71 VOLA
59 TV LED
D725
LED DRIVE
Q707
TV
60 SA-CD LED
D726
LED DRIVE
Q708
SA-CD/CD
67 TUNER LED
D727
LED DRIVE
Q709
TUNER
S707
ISOLATOR
PC904
AC DETECT
Q961
+9V
REGULATOR
IC1712
LED DRIVE
Q701 – 706
D909
B
SD
POWER
CONTROL
Q962, 963
(Page 10)
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