28
28
HCD-DZ100
HCD-DZ100
5-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
DC/DC
CONVERTER
T801
RECT
D801,802
D804,805
OSC
Q801
IC509 (4/4)
SYSTEM CONTROLLER
+5V
Q506
D943
D942
D944
D941
D922
Q921
T902
TRANSFORMER (SUB)
T901
TRANSFORMER(MAIN)
PC902
PHOTO
COUPLER
D931
D905
Q943,947
PC901
PC903
D901
E4V
E 4V
RF +3.3V
+31.5V
AC IN
+3.3V
+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC951
VOLTAGE
DETECT
+6V
M -8V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
+5V
+9V
+12V
+1.8V
+1.8V
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
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299