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39
HCD-DZ830W/DZ850KW
HCD-DZ830W/DZ850KW
6-4. BLOCK DIAGRAM – POWER SECTION –
F1
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
RECT
D801,802
D804,805
OSC
Q801
6
P CONT2
xSYSRST
IC501 (4/4)
SYSTEM CONTROLLER
IC307
+9V REG
D943
D942
D944
D941
D922
D910
Q921
T902
TRANSFORMER
(SUB)
T901
TRANSFORMER
(MAIN)
PC902
D931
D905
Q943,947
PC901
PC903
D901
E4V
RF +3.3V
+31.5V
AC IN
SW+3.3V
+5V
+5V
REG
+6V
SW+9V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
+3.3V
HDMI+5V
+9V
A12V
DIAT+2.5V
DIAT+9V
+1.8V
D502
D504
E3.3V
BUP3.3V
+1.8V
+1.2V
+1.8V
Q504
5V SW
Q503
SWITCH
VBUS+5V
EXCEPT E32,MX
+3.3V
E4V
SW +5V
F901
POWER
Thermistor
LINE
FILTER
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
9
9
2
8
9
4
2
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299