Samsung ML-4500 Service Manual E.14
Samsung Electronics
9-1
9-1 Main PCB Diagram (Top)
9. PCB Diagrams
OPEN S/W CN11
THERM CN9
PANEL CN12
SENSOR CN1 HVPS CN5
CN7
ENGINE
R58
R59
R60
R61
R56
R57
R55
R54
C2
2
1
R39
R38
R37
R36
R35
R34
R33
R32
R31
2
U4
3
U12
U2
D9
UNICON
OSC2
F6
F4
CN3
C4
F5
C65
C3U2
R68
C66
C1
U1
C30
C29
C114
C42
C27
C28
C26
F1
F2
R112
R93
C117
R92
R90
R76
R25
C61
C122
R95
C62
R77
OSC3
OSC1
OSC4
Q1
C7
U13
U6
9
2
1
U5
U13
BD4
BD3
C6
CN2
U10 U9
C5
U11
74F14
10
DM7406MX
LM393D
KM416C1200BLJ-6
CN8
DCU
CN4
SMPS
ML-4500 GDI
BAR CODE
KM416C1200BLJ-6
PTL
CN10
C31
C105
R72
15
B2
C24
L8
L7
L6
L3
L4
L2
B1
C25
R47
R117
C23
C126
R11
C35 R79
150
KM93C66G
KS32C65100
140
130 110
120
160
D3
R87
C51
C38
U3
C68
C39
C52
C32
C33
C34
C123
C37
C36
F7
L5
R106
R110
R108
R65
R109
100
90
80
70
60
50
40
3020
10
C40
R13
R94
R91
R89
R75
R74
R73
R88
C12
C118
C41
Q3
F8
R78
C115
C116
F3
C76
C124
74F1071SCX
C8
40
10
CN6
21
34
30
AM29F800B-70EC
U8
OSC5
C19
C110
R23
R122
C107
C75
C108
C17
C89
R22
R16
B3
C22
C58
C60
C59
C18
C125
R118
R96
C97
R113
C83
R114
C82
C48
R115
D2
R10
R86
R12
Q2
C90
D5
C113
C112
C20
D4
R46
R111
R48
C67
C100
C102
C101
Q4
R123
R14
R29
C9
R116
R83
R120
R100
R85
R82
C128
C84
R98
C127
C88
C13
C106
C81
R40
C130
C124
C103
C109
C105
C102
C50
C15
C14
C57
C56
C55
C54
C53
R119
C120
R41
R28
D1
C87
R97
R99
C80
R20
R15
C11
C12
C103
C10
C79 C86
L1
R17
D7
D6
C47
C49
C81
C78
C77
C85
B4
R80
R101
R49
R50
R51
R52
R62
R63
R64
C46
R53
C63
C64
C71
C72
C73
C74
C70
C69
C16
D10
R21
R69
B6
B7
R71
D8
R70
C119
R107
C99
D11
R45
R42
R30
R26
C94
C91
R19
R44
C96
C93
C104
R18
C95
C92
R43
C44
C98
B5
C43
C45
PCB Diagrams
Samsung Electronics9-2
9-2 Main PCB Diagram (Bottom)
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