Sony HCD-DX375 - Block Diagram - POWER Section

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HCD-DX375
HCD-DX375
6-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
IC503
RESET
D801,802
D804,805
Q801
12RESET
20AC_CUT
40P CONT2
41
P CONT3
IC501 (4/4)
SYSTEM CONTROLLER
+5V
Q503
39
P CONT1
IC941
+12V REG
IC931
VOLTAGE
DETECT
IC360
+9V REG
D943
D942
D944
D941
D922
D910
Q921
IC921
POWER
PROTECTION
T902
TRANSFORMER (SUB)
T901
TRANSFORMER(MAIN)
PC902
PHOTO
COUPLER
D931
D905
Q943,947
PC901
PC903
D901
E4V
E 4V
+3.3V
+31.5V
IC901
POWER
PROTECTION
AC IN
SW+3.3V,+3.3V
A+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC703
+3.3V REG
IC105
+3.3V REG
IC942
D+5V REG
IC943
+3.3V REG
IC951
VOLTAGE
DETECT
IC110
+1.8V REG
IC3050
+1.8V REG
+6V
SW+9V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
IC707
+5V REG
+5V
+9V
A12V
+1.8V
D502
D504
E3.3V
BMP3.3V
+1.8V
Q504
5V SW
IC502
+3.3V REG
+3.3V
SW +5V
RECT
OSC
D3.3V
IC107
+3.3V REG
RF+3.3V
IC702
+1.8V REG
+1.8V
IC504
+5VREG
E
RF SECTION
(Page 34)
F901
POWER
Thermistor
LINE
FILTER