Block Diagram - Power Section - Sony HCD-DZ119 Service Manual

HCD-DZ119/DZ410
Q Q
6-5. BLOCK DIAGRAM – POWER SECTION –
3 7 6 3 1 5 1 5 0
T801
DC/DC
CONVERTER
F1
F2
TO FLUORESCENT
RECT
INDICATOR TUBE
VFL D801,802
D804,805
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC501 (4/4)
SYSTEM CONTROLLER
P CONT2 40
P CONT3 41
P CONT1 39
AC_CUT 20
Q506
RESET 12
w w w
HCD-DZ119/DZ410
+31.5V
+5V
OSC
Q801
A12V
+9V
SW+9V
IC516
A5V
+5V REG
+5V
IC502
+3.3V
+3.3V REG
IC1105
+3.3V
+3.3V REG
SW +5V
IC1107
RF +3.3V
+3.3V REG
D503
SW+3.3V,+3.3V
E3.3V
BMP3.3V +1.8V
D505
+1.8V
IC511
RESET
x a o
y
. i
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T901
TRANSFORMER(MAIN)
D931
IC931
VOLTAGE
DETECT
PC901
PHOTO
COUPLER
E4V
Q943,947
PC903
VOLTAGE PHOTO
DETECT COUPLER
IC300
IC941
+9V REG
+12V REG
Q945
MOTOR DRIVE
CONTROLLER
Q Q
3 7 6
+6V
IC942
Q502
D+5V REG
5V SW
E 4V
IC1109 IC943
+1.8V REG +3.3V REG
IC3050
+1.8V REG
u 1 6 3
.
30 30
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2 4
8 9 9
IC901
D905
Q901
POWER
VOLTAGE
PROTECTION
CONTROLLER
D910
T902
TRANSFORMER (SUB)
D941
IC921
Q921
D922
POWER
REG
PROTECTION
D944
3 1 5 1 5 0 8 9 2
D942
D943
IC951
VOLTAGE
DETECT
PC902
PHOTO
COUPLER
m
c o
2
8 9 9
POWER
Thermistor
F901
D901
AC IN
LINE
FILTER
4 9 8 2 9 9