STR-KS370
STR-KS370
15
15
5-5. BLOCK DIAGRAM - SMPS Section -
POWER CONTROL
IC901
(AC IN)
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
T902
F901
D908
ISOLATOR
PC901
B+ SWITCH
Q901
POWER CONTROL
IC921
RECT
D931
D932
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
LF901
LINE
FILTER
LF902
LINE
FILTER
RECT
D901
AMP +1.8V
RECT
D942
5V
RECT
D941
A +9V
B+ SWITCH
Q946
STBY +3.3V
F1
F2
VEE
FOR FLUORESCENT
INDICATOR TUBE
T700
DC/DC
CONVERTER
RECT
D726 – 727
OSC
Q701
FLUORESCENT
INDICATOR TUBE DRIVER
IC700
FL700
FLUORESCENT
INDICATOR
TUBE
ROTARY
ENCODER
RV750
MASTER
VOLUME
I/
1
S301
D909
SD
AMP +12V
HDMI +5V
HDMI +1.8V
D +3.3V
B+ SWITCH
D1001
D1002
D3515
D3514
D1007
D1008
5VPWR
D729
(O)
ACTIVE
STANDBY
LED DRIVE
Q702
D1003
ISOLATOR
PC903
D380
DISPLAY
INDICATOR
LED DRIVE
Q380
D729
(G)
DISPLAY
INDICATOR
LED DRIVE
Q700
S350
INPUT
SELECTOR -
S351
SOUND
FIELD
S352
INPUT
SE
+5V
HDMI +3.3V
SAIR +4V
AVCC
RESET
SWITCH
Q1005
HDMI +1.8V