Samsung ML-2251N/XAA Service Manual page 118

HVPS Circuit Diagram (2/2)
+5V
5V
R415
5. 6K
M H V PW M
R401
CN 2-#22
14
47K
5 6
MHV
I C 104/ C
7407
7
C401
473
5V
R516
5. 6K
3 4
BIAS
R 501
BIAS PW
47K
CN 2-#19
C 501
473
24V
5V
Samsung Electronics
5V
C404 R 403
472 1. 5M
D 401
1N4148
MH V- sen >>
3
+
1
2
-
R404
R 402
10K
22K
U 94/ A
C 403
331
C402 D402
102 1N4148
5V
C 504 R 503
472 330KJ
D501
1N4148
BI AS- se n >>
5
+
7
6
- R 504
R 502 10K
22K
C503
U 94/ B
681
C502 D 502
102 1N4148
24VS
Q205
B1151- Y
IN
R224
100J
R222 U 103
3. 9KJ
R223 KA7805
1W 1KJ
R 221 Q204
1KJ C 1008
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ZD 401
2. 7V R 407
100K
R 406
5. 6K
R408 C 405
470 104
Q401
A708- Y C407
103
R405
10K Q403
C 2316
Q402 ZD402 R409 D 403
C 945C- Y 2. 7VB 1/ 4W 4. 7 D 1NL20U
ZD501
2. 7V
M
R507
100K
R506
5. 6K
R 508
C 505
470
104
Q501
A708- Y C 507
MY- 2A103
R 505
10K Q503
C231 6
Q502
ZD 502 D 503
C 945C- Y R509
2. 7VB D 1NL20U
1/ 4W 10
OUT 5VS
C 213
25V47uF
24V
T401
D 404 R 410 R413
4KV M GR 1/ 4W 560KJ R D S1/ 2W 100KJ
4
2
C 409 R 411
R 414
5 6
3KV471 BLR 1/ 2W 20M F
BLR 1/ 2W 15M J
1 7
>> MHV - sen
5V
R 412
37. 5KF
ZD 403
R 416
130V
100
C 408
MHV
C 410
25V47u F 10K
221
24V
I T501 D 504 R510
R 513
4KV MG R1/4 W 1.8 MJ
R D S1/ 2W 51KJ
4
C 510
2
3KV101
C 509
ZD503
3KV471
5 6
R 511 200V
MG R1W 9M F
1 7
>> BI AS- se n
5V
R 512
33KF
R 515
M GR 1W 15M J
R 517
100
C 508 DE V
10K
25V47uF
S C H E M ATIC DIAG R A M S
>> MHV
>> O PC
>> SUPPL Y
>> DE V
R 514
R D S1/ 2W 51KJ
Service Manual
11-11