Samsung SCX-4720F - Page 189

Schematic Diagram
Service Manual
11-22
This Document can not be used without Samsung’s authorization.
Samsung Electronics
R302
470K
C302
CE-103
R213
BLR1/2W100MF
VA201
7N221K
VA202
7N431K
VA203
7N561K
ZD301
2.7VB
Q302
C2383
C304
3KV151
R305
BLR1/2W50MJ
C305
104
D304
1N4148
R212
RDS1/2W100KJ
D303
1N4148
D302
4KV
24V
C212
2KV221
IT301
IT201
R304
1/4W4.7
D305
1N4148
R210
5.6KJ
D204
6KV
C209
6KV221
C211
6KV221
C210
6KV221
D205
6KV
D206
6KV
ZD201
2.7VB
R209
100K
R208
10K
C205
MY- 2A471
R207
330KJ
5V
D201
1N4148
C203
681
R205
22K
R204
47K
C201
MY2A473
5V
R202
100
R201
430
9
8
Q201
A708-Y
R206
130KF
R203
2KJ
C115
104
+
5
-
6
7
11
4
U102/B
KA324
Q202
945C-Y
C208
MY-2A681
24V
C206
MY-2A104
D202
D1NL20U
D203
D1NL20U
R211
1/4W4.7J
Q203
C2383
C202
102
R306
100KF
5V
3
4
R301
5.6K
R308
1KF
INDEX
50K
C306
MY2A473J
+
3
-
2
1
IC105/A
C307
MY2A473J
ZD302
2.7VB
R310
200J
R307
150KF
R309
3KF
C303
103
C301
MY2A104J
D301
D1NL20U
Q301
945C-Y
THV
100K
R303
470J
THV
THV
THV_READ
>>THV-sen
>> THV
4
2
5
1
4
2
5
1
6
7
+5V
7
6
>>
CN2-#17
THV PWM
THV-sen
CN1-#20
THV -EA
THV REA
D
CN2-15
+5V
11.7 HVPS