Block Diagram - Power Section - Sony HCD-DZ830W Service Manual

Q Q
6-4. BLOCK DIAGRAM – POWER SECTION –
3 7 6 3 1 5 1 5 0
AMP P CONT2
H
SECTION
(Page 37)
IC501 (4/4)
SYSTEM CONTROLLER
P CONT3 41
T E
L 1 3 9 4 2 2 9 6 5 1 3
P CONT2 40
P CONT1 39
w w w
AC_CUT 20
Q503
RESET 12
SWITCH
HCD-DZ830W/DZ850KW
+31.5V
T801
DC/DC
CONVERTER
TO FLUORESCENT
F1
INDICATOR TUBE
F2
RECT
VFL
D801,802
D804,805
IC502
+3.3V
+3.3V REG
IC1105
+3.3V
+3.3V REG
IC1107
RF +3.3V
+3.3V REG
IC1703
+3.3V
+3.3V REG
SW +5V
IC504
+5V
+5V REG
EXCEPT E32,MX
IC201
VBUS+5V
+5V REG
DIAT+9V
IC1801 IC1800
DIAT+2.5V
+2.5V REG +9V REG
A12V
IC307
+9V
+9V REG
(DZ830W/DZ850KW)
SW+9V
IC1707
HDMI+5V
+5V REG
RF/VIDEO xSYSRST
A
SECTION
(Page 36)
SW+3.3V
IC1110
+1.8V
+1.8V REG
IC3050
+1.8V
+1.8V REG
IC1702
+1.8V
x a o
+1.8V REG
y
IC503
. i
RESET
+1.2V
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8
T901
TRANSFORMER
(MAIN)
D931
IC931
PHOTO
VOLTAGE
COUPLER
DETECT
OSC
Q801
E4V
Q943,947
VOLTAGE PHOTO
DETECT COUPLER
+6V
T902
TRANSFORMER
(SUB)
D942
+5V
Q504
IC942
5V SW
+5V REG
Q Q
3 7 6 3
D941
IC941
+12V REG
Q945
D944
MOTOR DRIVE
CONTROLLER
D943
IC943
+3.3V REG
E4V
E3.3V
D502
BUP3.3V
D504
u 1 6 3
PC902
IC951
PHOTO
VOLTAGE .
COUPLER
DETECT
IC1 IC703
+1.2V REG +2.5V REG
39 39
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2 4
9 9 8
D901
IC901
3
D
POWER
PROTECTION
D905
Q901
4 VCC
VOLTAGE
CONTROLLER
1 OCP/SYNC
PC901
5
FB/OLP
PC903
D910
1 DRAIN
IC921
1 5 1 5 0 8 POWER 9 2 4
Q921
D922
PROTECTION
REG 4
VCC
START_UP 8
FB/OLP
6
m
c o
HCD-DZ830W/DZ850KW
Ver. 1.1
2
9 9
POWER
Thermistor
F901
AC IN
LINE
FILTER
9 8 2 9 9