Samsung ML-6050 Service Manual page 6

Engine Controller (5/6)
THVPWM
+5V
R504
2.2K
1/8
THVREAD
R503
33K
C
1/8
B
Q500
KSC1008
E
+5V
R260
5.6K
1/8
THVEA
Samsung Electronics
R252
R274
100 VR202
1.8K
E 10KOHM
U203-2 1/8
Q209
1/8
3 4 KSA708 R243
B 470K
R248 R249
7407 R240 1/8
C
56K 33K
68K
1/8 1/8
1/8
R251 C224 R245 C225
1.2K 33NF 12.1K 2.2nF
1/8 50V 1/8 50V
+18V
D500
1N4148
+18V
D501
R506
1N4148
R515 75K
68K 1/8 R508
1/8 21.5K,MF
C500 E
1/8
2.2nF
50V
B
VR201
Q502 C
10KOHM
KSA708
R507
13 33K
D503
14 Q2 1/8
1N4003
Q0
Q1
12
LM324
U201-4
R505 C505 C501
56K 4.7nF 10nF
1N4148
1/8 50V 50V
D502
R501
+18V
2.2K
1/8
R500
33K
E
1/8
Q501
B
KSA708
C
+18V
R250
R263
2.2K
33K
E
U203-5 1/8
1/8
11 10
Q207
B
KSA708
7407
C
+18V
R256
D216
2.2K
1N4003
1/8
U201-2
R225
LM324 ZD201 ZD202
2.2K
D209
5
UZ5.6BCB UZ7.5BM
1N4148 1/8
Q1 7
Q0
6 Q2
C221
R236
2.2nF
R247
680K
D217 50V
78.7K
1N4003 1/8
1/8
R509
619K,MF
1/8
R215
100K
R510
KSC1008 1/8
E
17.4K,MF
Q503
1/8
B
C
R511
309K
1/8
VR205
100KOHM JP641
R502
1M
1/8
C216
+24VS1
470PF
T203
6K
1 10
2
C213
100PF
R221
6K
390
1/8
4 C212
470PF
6K
5 6
C
C214
TRANS10P
33NF B
HS202
50V HEAT_SINK2
Q203
E
KSD526
+18V
R216 R219
C202
56 56
470PF
1/2 1/2 T201
6K
1 6
D203
ESJA57-04
2
C203
68PF
R213
2K
1K
1/8
4
5 10
C
C207
TRANS10P
33NF B
50V
Q202
E
KSD526
Schematic Diagrams
C215
470PF
6K
C211
R277
470PF
4.7M
6K
1/4
1 HP4
THV
R280
30M
BR
R220
200M
BR
C206 R211
470PF 30M
6K BR
8-5