Block Diagram - Smps Section - Sony STR-KS370 Service Manual

5-5.

BLOCK DIAGRAM - SMPS Section -

(PAGE 14) L SD
FLUORESCENT
INDICATOR TUBE DRIVER
IC700
DIN
CLK
STB
FL700
FLUORESCENT
INDICATOR
TUBE
D380
LED DRIVE
1 SW1
Q380
DISPLAY
INDICATOR
D729
(G) LED DRIVE
2 SW1
Q700
DISPLAY
INDICATOR
D729
(O)
LED DRIVE
Q702
ACTIVE
STANDBY
S350
INPUT
SELECTOR -
S351
SOUND
FIELD
S352
INPUT
SELECTOR +
S301
I/1
REMOTE CONTROL
RECEIVER
IC750
ROTARY
MASTER
ENCODER
VOLUME
RV750
STR-KS370
D1003
7 60 FL_D_OUT
8 57 FL_CLK
9 59 FL_LAT
PCONT_2 23
PCONT_3_SAIR 39
SYSTEM CONTROLLER
IC1005 (4/4)
FOR FLUORESCENT
INDICATOR TUBE
VEE
58 CEC_STBY_LED
95 AD KEY
P_CONT4_DSP 47
74 POWER KEY
PCONT_1 50
90 KEY_0
4 SIRCS_IN
92 VOL JOG
HDMI +3.3V
+1.8V
HDMI +1.8V
REGULATOR
IC3523
P_CONT_HDMI
97
AC_CUT
73
RESET
RESET SWITCH
12
Q1005
S (PAGE 13)
+5V
REGULATOR
SAIR +4V
IC1010
+5V
REGULATOR
AVCC
IC1700
HDMI +5V
5VPWR
(PAGE 12)
K
T700
DC/DC
CONVERTER
F1
OSC
Q701
F2
RECT
+5V
D726 – 727
REGULATOR
IC1009
AMP +12V
+5V
+5V REGULATOR
IC1013
+9V
A +9V REGULATOR
IC1012
DMPORT +5V
+2.5V
REGULATOR
DSP +1.2V
IC1001
D1008
+1.8V
D1007
AMP +1.8V REGULATOR
IC2003
+3.3V
REGULATOR
D +3.3V
IC943
+3.3V
REGULATOR
IC3526
+1.8V
REGULATOR
HDMI +1.8V
IC3528
D3514 D3515
STBY +3.3V
D1002 D1001
RESET SIGNAL
GENERATOR
IC1006
15 15
+31.5V
RECT
D931
D932
ISOLATOR
PC903
POWER ON/OFF
CONTROL
Q943, 947
ISOLATOR
PC901
SHUNT
REGULATOR
IC931
POWER VOLTAGE
CONTROL
Q981, 982
+5V
REGULATOR
IC3510
B+ SWITCH
Q946
T902
SUB POWER
TRANSFORMER
+12V
RECT
REGULATOR
D941
IC941
+5V
RECT
REGULATOR
D942
IC942
+6.4V
Q
REGULATOR
IC3509
(PAGE 12)
RECT
D943
ISOLATOR
PC902
SHUNT
REGULATOR
IC951
STR-KS370
T901
MAIN POWER
POWER CONTROL
TRANSFORMER
IC901
3 D
D905 D908
B+ SWITCH
4 VCC
Q901
D906, 907
1 OCP
D914, 915
D909
D910
5 OLP
POWER CONTROL
IC921
1
D
B+ SWITCH
4
VCC
Q921
D922
6
FB/OLP
8 STARTUP
(AC IN)
TH901
LF902 LF901
F901
RECT
LINE LINE
D901
FILTER FILTER