Samsung ML-6060 Service Manual page 87

Schematic Diagrams
9-2 Engine Circuit Diagram(1/2)
+5V
1
2
3
4
5
CN14-1
6
7
8
9
10
AGND
CN1-1
1
2
3
4
5
KSC1008-Y
DGND
+5V +5V
R29 R28
150 15K
1 R20
3
A 100
C
U554
GP1S523
K E C12
2 4 10nF
DGND DGND
9-12
24V
+24VS
CN5-1
+24VS
C28
47uF
50V
AGND
DGND
24V
+5V +5V
D4 R525 R4
1N4003T/R 150 15K
R2
100
MP_EMPTY*
FUSER_ON
R13
3
510
Q1 2
MP_CLUTCH
1
R12
C5
5.6K
10nF
AGND
DGND DGND
+5V +5V +5V +5V
FEED*
EMPTY*
NARROW*
R31 R30 R51 R52
150 15K 150 15K
1 R21 1 R58
3 3
A 100 A 100
C C
U555 U4
GP1S523 GP1S523
K E C13 K E C24
2 4 10nF 2 4 10nF
DGND DGND DGND DGND DGND DGND DGND
+5V
+5V +5V
1N4148
D8 D7 D2 D3
R11 R10 R5
5.6K 5.6K 5.6K
1
100
2 R9
SCF_CASSETTE
3 R8
SCF_MOTOR*
4 R7
SCF_CLUTCH
R3
5
SCF_EMPTY*
6
7
8
D9 D6 D5 D1
1N4148
AGND
DGND DGND
+5V +5V
R56
1K
R57
6.2K C23
U3-1 8
100nF
3
Q2
1
KSC1008-Y
2
3
2 LM393
4 DGND
R63 R64 R65
DGND
1 1.8K 5.6K 3.9K
R25 3
2
1K
R69 C32
3.3K 1nF 1
BD3
Q7
C27 BEAD
KSC1008-Y
1nF
AGND
DGND
+5V +5V
R526
CN6-1
15K
R527
100
1
MANUAL*
2
3
DGND
+24VS
D505
1N4003T/R
3
2
1
R521
3
510
2
CN503-1
FAN
1
Q9
R520
C519 KSC1008-Y
5.6K
100nF
DGND AGND
FUSER
THERM1
THERM2
24V
D10
1N4003T/R
L553
CLUCH
R32
3
510
2
CLUTCH
1
Q3
R22
KSC1008-Y
5.6K
DGND AGND
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