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G-9
ELECTRICAL DIAGRAMS
R3R
R3R-400 Control PC Board
IDENTIFICATION
PART No.
REQÕD.
ITEM
R80,R81,R82
R101,R102,R103
R92,R93,R94
R92,R93,R94
QU1,QU2,QU3
R17,R18,R47,R89
C1
C2,C30
C3
C4,C9
C5,C10,C27,C28,C29
C6
.02/600
C11
C18,C19,C20
C21,C22,C23
C31
D1,D2,D3
D4,D5,D6,D7,D8,D9,D10
1N4004
D31,D32,D33
DZ1
DZ2
DZ3
DZ4
DZ5,DZ6,DZ7,DZ8
DZ9
OCI1
OCI2,OCI3
R1,R2,R3
R4,R5,R6,R7,R8,R9
R10,R29,R52
R11,R48
R12,R15,R21,R27
R13,R14,R32,R35,R37,R39
R16
R19,R20,R22,R98,R99,R100
R23,R65,R66,R67
R24
R25,R26,R41,R77,R78,R79
R28,R45,R74,R75,R76
R30,R31,R91
R33
R34,R95,R96,R97
R36,R42,R59,R60,R61
R38
R40,R83,R84,R85
R43,R49
R44
R46
R50
R51
R53
R54
R55
R56,R57,R58,R62,R63,R64
100 1/2W
R68,R69,R70,R71,R72,R73
R86,R87,R88
R90
10K 1/2W
SCR1,SCR2,SCR3
TP1,TP2,TP3
X1,X2
X3
C7,C12,C14,C15,C24,C25,C26
,D11,D12,D13,D14,
D15,D16,D17,D18,D19,D20,D21,D22,D23,
D24,D25,D26,D27,D28
,D29,D30,D34,D35,
D36
50/25
1
2
2
1
1
1
1
3
3
3
7
5
S13490-8
S13490-35
S13490-4
S16668-5
S13490-62
T11577-62
S13490-102
T11577-57
T12199-2
T11577-38
S13490-73
50/15 OR 16
.022/200
.022/50
.0033/200
20/50
1/200
.047/100
0.1/400
T12199-1
30
1N4007
T12199-4
T12702-23
3
1
1
1
1
1
4
T12702-33
T12702-9
T12702-40
T12702-29
T12702-8
IN4005
1N5352B
1N5347B
1N5234B
1N4735
1N4744A
1N5240B
1
2
2
4N28
S15000-1
S15000-5
T12704-69
2N4403
3
T12707-4
3
3
2
6
4
4
9
9
1
T12300-73
T14648-12
T10812-67
S19400-1503
S19400-2672
S19400-1003
T10812-62
S19400-6813
S19400-1004
250 20W
1500 5W
100K 1/2W
500 1/2W
1
1
1
1
1
1
1
1
1
1
4
4
4
2
3
5
5
6
T10812-39 50K 1/2W
S19400-6811
S19400-4751
S19400-2213
T14230-23
5.0 MEG
S19400-5622
T14231-12
150 1/2W
S19400-1002
S19400-2673
S19400-2670
1
1
9
6
3
3
3
2
T14231-16
S19400-1301
T14231-2
T14231-15
S19400-1501
S19400-2211
S19400-3323
T14231-11
S19400-2671
S19400-1001
T10812-41
S15161-19
T13640-12
S15128-9
S15128-4
10M 1/2W
S19400-3321
68 5W
38J
15V
COMMON
10V
C
B
J
LK
N
D
M
E F
G
A H
R3
R2
R1
R89
R18
R100
R101
R103
R102
R26
R99
R98
R25
R44
R39
R21
R55
R22
R24
R17
R19
R20
R11
R14
R13
R53
R12
R28
R15
R36
R47
R54
R27
R41
R45
R38
R40
R37
R48
R50
R35
R42
R32
R33
R80 R81
R79 R77 R78
R83 R84
R74 R75
R71 R72
R68 R69
R59 R60
R86 R87
R82
R85
R76
R73
R70
R61
R88
C10
C5
C27 C28 C29
C21
C22
C23
C3
C6
C11
C1
C14
C15
C7
C12
C24 C25 C26
C31
C18
C19
C20
DZ9
DZ3
DZ4
DZ5
DZ6 DZ7 DZ8
D33
D32
D31
D16
D25
D29
D28
D13
D10
D24
D11
D30
D17
D26
D14
D15
D12
D27
D35 D34
D18
D19
D21 D22
D36
D23
D20
D9
D8
D7
D5
D4
D6
D3
D2
D1
DZ1 DZ2
X3
X1
X2
TP1
TP2
TP3
J2
J4 J3 J1
OCI2
OCI1
OCI3
R93
R94
R49
R92
R51
R43
R34
R46
R95 R96 R97
R56 R57
R62 R63
R58
R64
R31
R30
R91
R29
R23 R16
R90
R52
R10
R65
R66
R67
R5
R8
R6
R4
R9
R7
SCR3 SCR1 SCR2
Q2
Q1
QU1
QU2
QU3
C4
C9
C2
C30
R3R CONTROL
R3R-400 CONTROL G2172-1
S16668-3
100pF/100
Q1, Q2
G-9
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NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not
available from Lincoln Electric. This information is provided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result
in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.