Samsung SCX-5312F - Page 171

4-17
Samsung Electronics
SCHEMATIC DIAGRAMS
Repair Manual
4-4 HVPS Circuit Diagram(1/2)
R519
2.2K
R503
100KF
18V
C103
104
BLADE
24VS
R418
MGR1/2W 100KF
R506
86.6KF
5V
BIAS-PWM
U102
C502
222
DEV
C402
104
Q401
A708-Y
OPC
OUT
R406
16.2KF
R405
150KF
R407
85KF
D404
1N4148
R516
MGR1/2W 50K
C504
333
MHV
R416
MGR1/2W 30MF
C102
104
C406
3KV 471
GND
C404
3KV 471
R413
MGR1/2W 12MF
C405
2KV 680
+
-
U101-B
KA324
5
6
7
5V
IN
D403
4KV
R517
MGR1/2W 15MF
C505
2KV 680
+
-
U101-A
KA324
3
2
1
R512
MGR1/2W 12MF
D402
4KV
R402
56KF
18V
C503
104
C506
3KV 471
R403
62KF
C403
333
R412
2.2K
18V
DEV
50K
+
C104
35V 47uF
R505
27K
R410
1W 3
R419
5.6K
MHV-PWM
3 4
U103-A
D401
1N4148
Q402
D526-Y
C407
104
R501
100
R504
86.6KF
R509
47K
D502
4KV
C401
222
R409
430
R502
2K
R520
5.6K
CON03-#24
24VS
R510
430
R408
47K
Q501
A708-Y
ZD401
1W 150V
24VS
R404
33K
U103-B
T501
T1167
1
4
2
5
7
6
ZD502
150V
C501
104
R508
47K
7407
R515
MGR1/2W 50K
R401
100
SUPPLY
R411
2K
R514
MGR1/2W 50K
D501
1N4148
7407
T401
KAB-006
1
4
2
5
7
6
CON03-#22
R511
1W 3
ZD501
100V
1 2
MHV
50K
Q502
D526-Y
R507
12KF
KA7818