Block Diagram -Power Section - Sony HCD-DZ30 Service Manual

6-5. BLOCK DIAGRAM – POWER Section –
DC/DC
CONVERTER
F1
F2
TO VACUUM
FLUORESCENT
RECT
DISPLAY
VFL D801,802
D804,805
IC501 (4/4)
SYSTEM CONTROLLER
P CONT2 40
P CONT1 39
AC_CUT 20
Q506
RESET 12
SWITCH
P CONT3 41
HCD-DZ30
+21.7V
T801
+5V
OSC
Q801
A9V
A5V
SW+5V
Q502, 503
IC1105
+3.3V
SW +5V
+3.3V REG
SWITCH
IC1107
RF +3.3V
+3.3V REG
FL +3.3V
+1.8V
+1.8V
IC511
E 4V
RESET
T901
TRANSFORMER(MAIN)
D931
IC931
VOLTAGE
DETECT
PC901
PHOTO
COUPLER
E4V
Q943,947
PC903
VOLTAGE PHOTO
DETECT COUPLER
+12V
IC515 IC941
+9V REG +12V REG
M +9V
Q945
IC516
MOTOR DRIVE
+5V REG
CONTROLLER
+12V
IC502 IC942
+3.3V REG +5V REG
E 4V
+5V
IC1109 IC943
+1.8V REG +3.3V REG
IC951
IC3050
VOLTAGE
+1.8V REG
DETECT
SW3.3V
29 29
IC901
D905
Q901 SWITCHING
VOLTAGE REGULATOR
CONTROLLER
T902
TRANSFORMER
(SUB)
D941
IC921
Q921
D922 SWITCHING
REGULATOR
REG
D944
D942
D943
PC902
PHOTO
COUPLER
HCD-DZ30
D901
AC IN