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STR-KS370/KS470
STR-KS370/KS470
15
15
Ver. 1.1
5-5. BLOCK DIAGRAM - SMPS 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
D914, 915
TH901
Q921
POWER VOLTAGE
CONTROL
Q981, 982
ISOLATOR
PC902
DSP +1.2V
+2.5V
REGULATOR
IC1001
LF901
LINE
FILTER
LF902
LINE
FILTER
RECT
D901
AMP +1.8V
+1.8V
REGULATOR
IC2003
RECT
D942
DMPORT +5V
+5V
REGULATOR
IC942
RECT
D941
+12V
REGULATOR
IC941
IC3509
A +9V
B+ SWITCH
Q946
SHUNT
REGULATOR
IC951
STBY +3.3V
50
PCONT_1
39
PCONT_3_SAIR
23
PCONT_2
SYSTEM CONTROLLER
IC1005 (4/4)
F1
F2
F2
VEE
FOR FLUORESCENT
INDICATOR TUBE
T700
DC/DC
CONVERTER
RECT
D726 – 727
OSC
Q701
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,
SEG17
14 – 29,31
GRID1 – GRID12
42 – 31
4 SIRCS_IN
ROTARY
ENCODER
RV750
REMOTE CONTROL
RECEIVER
IC750
MASTER
VOLUME
VOLUME
I/1
74 POWER KEY
92 VOL JOG
S301
+9V
REGULATOR
IC1012
D909
L
SD
AMP +12V
HDMI +5V
+5V
REGULATOR
IC3510
K
+1.8V
REGULATOR
IC3528
HDMI +1.8V
+3.3V
REGULATOR
IC943
D +3.3V
97
P_CONT_HDMI
B+ SWITCH
D1001
D1002
D3515
D3514
D1007
D1008
5VPWR
D729
(O)
ACTIVE
STANDBY
LED DRIVE
Q702
58 CEC_STBY_LED
D1003
ISOLATOR
PC903
D380
DISPLAY
INDICATOR
LED DRIVE
Q380
1 SW1
D729
(G)
DISPLAY
INDICATOR
LED DRIVE
Q700
2 SW1
95 AD KEY
S350
INPUT
SELECTOR -
S351
SOUND
FIELD
S352
INPUT
SELECTOR +
90 KEY_0
+5V
REGULATOR
IC1013
+5V
47
P_CONT4_DSP
HDMI +3.3V
+3.3V
REGULATOR
IC3526
SAIR +4V
+5V
REGULATOR
IC1010
+5V
REGULATOR
IC1700
AVCC
12
RESET
73
AC_CUT
RESET SIGNAL
GENERATOR
IC1006
RESET
SWITCH
Q1005
HDMI +1.8V
+1.8V
REGULATOR
IC3523
Q
S
+5V
REGULATOR
IC1009
(PAGE 12)
(PAGE 13)
(PAGE 14)
(PAGE 12)
+6.4V
REGULATOR
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