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Samsung ML-4500/XAA Service Manual page 90

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Schematic Diagrams
10-2 Engine Circuit Diagram
*EGMOT_A1
EGMOT_PHA
+5V
R28
820
R23
10K
GND5
*EGMOT_B1
EGMOT_PHB
10-6
+5V
+24VS
C1
47uF
50V
GND24
11 6
3
14
7
15
I1
MA
U1
C13
9
TEA3718DP
I0
22pF
8
1
PHA
MB
2
4
5
12
13
10
16
R26
1K
GND24
R17
C10
C9
R24
56K
820pF
820pF
0.5
GND24
+5V
+24VS
11 6
3
14
7
15
I1
MA
U2
C14
9
I0
22pF
TEA3718DP
8
1
PHA
MB
2
4
5
12
13
10
16
R27
1K
GND24
C11
C12
R18
R25
56K
820pF
820pF
0.5
GND24
R9
5.6K
DEV_FUSE
+5V
+24VS
CN7-1
DF11-18DP-2DS
1
FAN
2
CLUTCH
3
DEV_FUSE
4
PTL
5
6
*NEW_DEVE
7
EGMOT_PHA
8
*EGMOT_A1
9
*EGMOT_B1
10
11
12
13
14
EGMOT_PHB
15
16
17
C15
18
100nF
GND24
GND5
CN6-1
1
2
3
4
2011P04V000
+24VS
+5V
Q1
D2
R10
1N4148
KSB1151-Y
5.6K
1
2
CN4-1
R12
4.7K
1
D1
3
2
1N4148
35303-0250
R14
Q6
12K
KSC1008-Y
3
2
1
GND24
GND5
Changed by
yichoi7
+5V
+5V
R19
510
R4
R1
5.6K
100
3
PTL
2
1
GND5
+24VS
D3
1N4003T/R
R20
3
2
2.2K
FAN
1
R5
5.6K
GND24
+24VS
D4
1N4003T/R
R21
3
2
510
CLUTCH
1
R6
5.6K
*NEW_DEVE
GND24
Engineer
YUNIRI
Drawn by
YUNIRI
R&D CHK
DOC CTRL CHK
MFG ENGR CHK
Date Changed
Time Changed
QA CHK
Saturday, May 29, 1999
9:32:33 am
A
CN1-1
1
2
35303-0250
Q2
B
KSC1008-Y
CN5-1
3
2
1
35301-0350
C
Q3
KSC1008-Y
D
CN2-1
2
1
35303-0250
Q4
KSC1008-Y
E
COMPANY NAME
Address
F
City
Size
TITLE:
A3
APOLLO ENGINE
REV
Drawing Number
Sheet
of
Samsung Electronics

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Ml-4500/xac