Samsung SCX-5315F Service Manual page 178

4-4 HVPS Circuit Diagram (1/2)
5V 18V
R401
100
R412
R419
2.2K
5.6K
Q401
A708-Y
MHV-PWM
3 4
CON03-#22
U103-B
7407
R411
2K
5V
R520
5.6K
R501
100
BIAS-PWM
1 2
R519
CON03-#24
U103-A
2.2K
7407
R502
2K
24VS
U102
KA7818
IN OUT
GND
C102
104
Samsung Electronics
C402
104
R405
150KF
R403 R404
62KF 33K
3
+
2
-
D404
R402
1N4148
56KF
C407
104
C401
222 R406 D401
MHV 16.2KF 1N4148
50K
18V
C503
104
R506
86.6KF
Q501
A708-Y
6
-
R505
27K
5
+
R503
100KF R504 KA324
C501
86.6KF
104
C502
222 R507
12KF
DEV
50K
18V
+
C103 C104
35V 47uF
104
- This Document can not be used without Samsung's authorization -
R407 24VS
85KF
T401
C404
KAB-006
3KV 471
1 7
Q402
1 5 6
D526-Y
2
C405
2KV 680
R408
U101-A
47K
KA324
4
R409
430
C403
R410
333
1W 3
24VS
T501
T1167
1
R508
47K
Q502
5
D526-Y
2
7 4
R509 R510
U101-B
47K 430
R511
C504
D501 1W 3
333
1N4148
D403
4KV
MGR1/2W 100KF
C406
3KV 471 R416
D402
MGR1/2W 30MF
4KV
R413
MGR1/2W 12MF
ZD401
1W 150V
D502
R514
4KV
MGR1/2W 50K
7
6
C506
3KV 471
C505
R515
2KV 680 MGR1/2W 50K
ZD502
150V
R512
MGR1/2W 12MF
R516
MGR1/2W 50K
R517
MGR1/2W 15MF
DONGYANG INSTRUMENTS TITLE
DRW. NO
DESIGNED CHECKED APPROVED
REF. NO
J.S.YOUN
SIZE A4
Connection Diagrams
R418
MHV
OPC
BLADE
SUPPLY
DEV
H.V.P.S
MCKINLEY-HVPS
REV.
1.0
JC44-00017A
DATE 01/05/20 1 OF 2
4-19