Samsung WC-M15i Series Service Manual page 121

Schematic Diagrams
Engine Controller (4/6)
THVPWM
+5V
R504
2.2K
1/8
THVREAD
R503
33K
C
1/8
B
Q500
KSC1008
E
+5V
R260
5.6K
1/8
THVEA
8-4
R252
R274
100 VR202
1.8K
E 10KOHM
U203-2 1/8
Q209
1/8
3 4 KSA708
B
R248 R249
7407 R240
C
56K 33K
68K
1/8 1/8
1/8
R251 C224 R245
1.2K 33NF 12.1K
1/8 50V 1/8
+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
56K 4.7nF
1N4148
1/8 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
R243 R256
D216
470K 2.2K
1N4003
1/8 1/8
U201-2
LM324 ZD201
D209
5 UZ5.6BCB UZ7.5BM
1N4148
Q1 7
Q0
6 Q2
C221
R236
2.2nF
C225 R247
680K
D217 50V
2.2nF 78.7K
1N4003 1/8
50V 1/8
R509
619K,MF
1/8
R215
120K
R510
KSC1008 1/8
E
17.4K,MF
Q503
1/8
B
C
C501 R511
10nF 309K
50V 1/8
VR205
100KOHM JP641
R502
1M
1/8
+24VS1
T203
1 10
2
R225 R221
ZD202
2.2K 390
1/8 1/8
4
5 6
C
C214
TRANS10P
33NF B
HS202
50V HEAT_SINK2
Q203
E
KSD526
+18V
R216 R219
56 56
1/2 1/2 T201
1 6
2
R213
1K
1/8
4
5 10
C
C207
TRANS10P
33NF B
50V
Q202
E
KSD526
C216 C215
470PF 470PF
6K 6K
C213
100PF
6K
C212
C211
R277
470PF
470PF
6K 4.7M
6K
1/4
1 HP4
THV
R280
30M
BR
R220
200M
BR
C202
470PF
6K
D203
ESJA57-04
C203 C206 R211
68PF 470PF 30M
2K 6K BR
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