Samsung ML-1200 Printer User Manual


 
3-15
Samsung Electronics
SCHEMATIC DIAGRAMS
Repair Manual
5V 18V
24VS
24VS
18V
24VS
5V
SAMSUNG ELECTRONICS
TITLE
REF. NO
DATE 01/01/04
1.0
1 OF 2
DESIGNED CHECKED
REV.
APPROVED DRW. NO
SIZE A4
SWALLOW-HVPS
CN1-#6
U2-B
CN1-#7
U2-A
JH.CHO
IN
GND
OUT
U3
KA7818
7407
7407
JC
R422
5.6K
R411
2.2K
R401
100
Q401
A708-Y
R412
2K
R403
110KF
VR401
50K
R402
56KF
C408
104
C401
222
R405
220KF
R406
2.2KF
C402
103
R407
240K
R408
47K
R409
430
C403
333
Q402
D526-Y
R410
1W 3
C404
3KV 471
D401
4KV
R413
MGR1/2W 6MF
R414
MGR1/2W 6MF
R416
MGR1/2W 15MF
R417
MGR1/2W 15MF
R426
MGR1/2W 100KF
R502
2.2K
R505
100KF
R504
2K
R503
100
R507
27K
C503
104
R508
86.6KF
R509
12KF
R513
1W 3
R512
430
R511
47K
C504
333
C1
104
C2
104
C3
35V 47uF
+
R515
MGR1/2W 15MF
R514
MGR1/2W 15MF
ZD501
1W 100V
D502
4KV
Q502
D526-Y
C502
222
C501
104
R516
MGR1/2W 50K
R517
MGR1/2W 15MF
3 4
ZD401
1W 130V
R501
5.6K
R506
100KF
Q501
A708-Y
C506
3KV 471
C405
2KV 680
C505
2KV 680
D402
4KV
VR501
50K
C406
3KV 471
D501
1N4148
R510
47K
R519
MGR1/2W 50K
T501
KAB-006
1
4
2
5
7
6
1 2
U1-C
KA324
+
-
10
9
8
GIL-S-9P-S2T2-EF
CN1
1
2
3
4
5
6
7
8
9
T401
KAB-006
1
4
2
5
7
6
D403
1N4148
R404
33K
U1-D
KA324
+
-
12
13
14
D111
1N4148
MHV-PWM
BIAS-PWM
18V
MHV
DEV
SUPPLY
OPC
24VS
A-GND
THV-PWM
THV-EA
THV-READ
MHV-PWM
BIAS-PWM
5V
D-GND
3.3 HVPS Circuit Diagram (1/2)
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