Samsung CLP-300 Series Service Manual page 72

Main Board(12/15)
1 2
LSU
A
CN22-1
DF11-14DP-2DSA
1
2
3
R168
100
B
4
5
6
C
R143
100
7
R103
100
8
R169
100
9
D
10
R138
100
11
E
12
DGND
+24V
13
14
F
DGND
1 2
Service Manual
11-12
3 4
+5V_LSU
C306 +5V_LSU
C266
10uF
100nF
16V
R171
2402-001049
1K
R167
DGND
100
C284
10nF
+5V_LSU
DGND
R158
U22-1
10K
DM7407MX
DGND
2
NC4 NC5
15pF 15pF
+5V_LSU
U22-2
NOT USED
R137
DM7407MX
DGND 10K
4 3
+5V
C209
C223
10uF
100nF
16V
R144
2402-001049
10K
DGND
C285
+5V +5V
1nF
2 1
R145
10K DGND
D36
R139
KDS226 3 100
C260
10nF
DGND
+3.3V
DGND
R117
100
8 9
DM7407MX
U22-4
C233
C300
47uF DGND
100nF
50V
50V
3 4
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5 6
nHSYNC1
+5V
C241
100nF
14
DGND
1
nLD_EN
7
DGND
VDO1_minus
VDO1_plus
LSU_SH1
LD_POWER1
U22-3
DM7407MX
6 5
LSU_MOT_CLK
nLSU_READY
R118
5.1K
nLSU_MOTOR_EN
C237
100nF
5 6
Schematic Diagram
7 8
A
B
C
D
E
Digtal Printing Division
Engineer K.C.LEE
R&D 5
Drawn by
Size
TITLE: F
R&D CHK S.D.AN
A3
DOC CTRL CHK
CLP-300(N)/CLX-3160N(FN)
Main_V0.11
MFG ENGR CHK
LSU
12/15
7 8
Samsung Electronics