Sony HCD-DX255 - Block Diagram - POWER Section

3434
HCD-DX155/DX255
HCD-DX155/DX255
6-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
IC511
RESET
D801,802
D804,805
Q801
12RESET
20AC_CUT
40P CONT2
41P CONT3
IC501 (4/4)
SYSTEM CONTROLLER
+5V
Q506
39P 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
RF +3.3V
+31.5V
IC901
POWER
PROTECTION
AC IN
SW+3.3V,+3.3V
+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC1107
+3.3V REG
IC1105
+3.3V REG
IC942
D+5V REG
IC943
+3.3V REG
IC951
VOLTAGE
DETECT
IC1109
+1.8V REG
IC3050
+1.8V REG
+6V
SW+9V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
IC516
+5V REG
A5V
+9V
A12V
+1.8V
D503
D505
E3.3V
BMP3.3V
+1.8V
Q502
5V SW
IC502
+3.3V REG
+3.3V
SW +5V
RECT
OSC
D3.3V
RF
F901
POWER
Thermistor
LINE
FILTER