Read Sony DAV-DZ530 / DAV-DZ630 / HCD-DZ530 / HCD-DZ630 Service Manual online
34
34
HCD-DZ530/DZ630
HCD-DZ530/DZ630
6-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
IC503
RESET
RECT
D801,802
D804,805
D804,805
OSC
Q801
12
RESET
D
20
AC_CUT
40
3
DRAIN
1
8
6
VCC
FB/OLP
START_UP
4
VCC
OCP/SYNC
FB/OLP
4
1
5
P CONT2
P CONT2
41
P CONT3
IC501 (5/5)
SYSTEM CONTROLLER
39
P CONT1
IC941
+12V REG
IC931
VOLTAGE
DETECT
IC307
+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
+5V
+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC1107
+3.3V REG
IC1105
+3.3V REG
IC942
+5V REG
IC201
+5V REG
IC504
+5V REG
IC943
+3.3V REG
IC951
VOLTAGE
DETECT
IC1110
+1.8V REG
IC3050
+1.8V REG
+6V
VBUS
SW+9V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
IC1703
+3.3V REG
+3.3V
IC1707
+5V REG
+5V
+9V
A12V
+1.8V
D502
D504
E3.3V
BUP3.3V
+1.8V
IC1702
+1.8V REG
+1.8V
Q504
5V SW
Q503
SWITCH
IC502
+3.3V REG
+3.3V
SW +5V
F901
POWER
Thermistor
LINE
FILTER
E
AMP
SECTION
(Page 33)
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