Block Diagram - Power Section - Sony HCD-DZ555K Service Manual

HCD-DZ555K/DZ556KB/DZ750K
Q Q
6-3. BLOCK DIAGRAM – POWER SECTION –
3 7 6 3 1 5 1 5 0
TO FLUORESCENT
INDICATOR TUBE
AUDIO/AMP P CONT2
F
SECTION
(Page 33)
IC501 (3/3)
SYSTEM CONTROLLER
T E
L 1 3 9 4 2 2 9 6 5 1 3
P CONT3 41
P CONT2 40
RF/VIDEO
SECTION
(Page 32)
P CONT1 39
w w w
AC_CUT 20
Q503
IC503
RESET 12
SWITCH
RESET
HCD-DZ555K/DZ556KB/DZ750K
+31.5V
T801
DC/DC
CONVERTER
F1
F2
RECT
VFL D801,802
D804,805
OSC
Q801
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
Q504
SW +5V
5V SW
IC504
+5V
+5V REG
EXCEPT MX, E32
IC201
VBUS+5V
+5V REG
A12V
IC307
+9V
+9V REG
SW+9V
Q945
IC1707
HDMI+5V MOTOR DRIVE
+5V REG
CONTROLLER
xSYSRST
A
SW+3.3V
IC1110
+1.8V
+1.8V REG
IC3050
+1.8V
+1.8V REG
x a o
y
IC1702
+1.8V
+1.8V REG
. i
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8
T901
TRANSFORMER
(MAIN)
D931
D905
PC901
IC931
PHOTO
VOLTAGE
COUPLER
DETECT
E4V
Q943,947
PC903
VOLTAGE
PHOTO
DETECT
COUPLER
+6V
T902
TRANSFORMER
(SUB)
D942
+5V
IC942
Q Q
+5V REG
3 7 6 3
D922
D941
IC941
+12V REG
D944
D943
IC943
+3.3V REG
E4V
E3.3V
D502
BUP3.3V
u 1 6 3 D504
PC902
.
IC951
PHOTO
VOLTAGE
COUPLER
DETECT
34 34
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2 4
9 9 8
Thermistor
D901
IC901
3 D
POWER
PROTECTION
Q901
4 VCC
VOLTAGE
CONTROLLER
1 OCP/SYNC
5 FB/OLP
D910
1 5 1 5 0 8 9 2 4
1 DRAIN
IC921
POWER
Q921
PROTECTION
4
REG VCC
START_UP 8
FB/OLP
6
m
c o
2
9 9
POWER
F901
AC IN
LINE
FILTER
9 8 2 9 9