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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 pro-
vided 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.
ELECTRICAL DIAGRAMS
G-15
POWER WAVE 450
PC BOARD ASSEMBLY-PROTECTION
2-27-97
FULL
DRS G2453-2
XA
1-9-98D
8-27-99B
DR.
SCALE
DATE CHK.
NO.
SHT.
TYPE
EQUIP.
SUBJECT
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U. S. A.
Ch’ge. Sht. No.
G
G
INVERTER WELDERS
DRS
R92
R93
R89
R90
R124
R110
R111
R112
R113
R114
R115
R104
R103
R74
R46
R47
R48
R49
R50
R51
R59
R58
R75
R76
R77
R78
R79
R106
R107
R109
R55
R54
R53
R100 R98 R99
R139
R140
R141
R40 R41 R42 R43
R68 R69 R70 R71
R97
C13
C14
C15
C23
C20
C21
C22
C32
C17
C24
C25
D11
D12
D13
D14
D16
D18
D17
D21
D22
D24
D19
Q15
Q16
CR1
CR2
R105
D35
TRI1
DZ11
D28
DZ12
X7
X5
X6
X8
X9
C1
C26
C27
C28
C29
C30
C31
C33
C34
C35
DZ13
DZ14
DZ15
D1
D2
D3
D4
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R142
R143
R144
R119
R120
R108
OCI3
OCI4
R122
R123
R125
R126
R127
R116
R80
R86
R85
R81
R91
R96
R95
R61
R83
R84
R82
R130
R60
R137
R52
R117
C18
R101
R102
R45
R73
R44 R72
R154
R152
R153
C36
R157
R155
C10
X4
C11
D15
R138
R128
R135
R134
R136
C12
TP2
R158
R159
C16
L2
L1
J34 J31 J30
J39
J37
J38 J36
J33 J35 J32
OCI5
R161
R160
R132
R151
R129
R150
PROTECTION
G3196-1
R162
Q17
Q9
Q12
Q11
Q6
Q14
C1 1 T11577-50 4.0MFD,50V CAPACITOR
C27,C28,C29,C31,C32
C12,C30 2 S13490-25 4.7/35
C13,C14,C15 3 S16668-4 2700pF/50
C25 1 T11577-57 0.1/400
C33,C35 2 S16668-9 150pF/100
C34,C36 2 S16668-11 .1/50
CR1,CR2 2 S15122-4 RELAY
D1,D2,D3,D4,D28 5 T12705-34 1N4936
D11,D12,D13,D14,D15,D16 13 T12199-1 1N4004
D17,D18,D19,D21,D22,D24
D35
DZ11,DZ12 2 T12702-29 1N4744A
DZ13 1 T12702-27 1N4740
DZ14,DZ15 2 T12702-40 1N4735
J30 1 S20351-16 HEADER
J31,J34 2 S20351-14 HEADER
J32,J33,J35 3 S20351-6 HEADER
J36,J37,J38,J39 4 S20351-4 HEADER
L1,L2 2 T12218-9 .39mH
OCI3,OCI4 2 S15000-10 OPTO ISOLATOR
OCI5 1 S15000-11 3043
Q6,Q9,Q11,Q12,Q14,Q17 6 T12704-68 2N4401
Q15,Q16 2 T12704-73 IC PKG MOSFET (SS)
R1,R2,R3,R4,R5 5 S19400-1500 150 1/4W
R6,R8,R11,R107,R139,R157 6 S19400-1001 1K 1/4W
R7,R108,R128,R138,R154 6 S19400-3321 3.32K 1/4W
R155
R9,R13 2 S19400-1000 100 1/4W
R10,R12,R90 3 S19400-5622 56.2K 1/4W
R40,R41,R42,R43,R68,R69 12 S19400-2673 267K 1/4W
R70,R71,R97,R98,R99,R100
R44,R72,R101 3 T10812-73 2K 1/2W TRIMMER
R45,R73,R102 3 S19400-5621 5.62K 1/4W
R46,R51,R52,R74,R80,R103 9 S19400-1002 10K 1/4W
R111,R112,R136
R47,R58,R75,R92,R104,R124 6 S19400-3322 33.2K 1/4W
R48,R59,R85,R142,R143,R144 7 S19400-2212 22.1K 1/4W
R152
R49 1 S19400-8251 8.25K 1/4W
R50,R53,R61,R81,R86,R93 9 S19400-1502 15K 1/4W
R95,R96,R153
R54 1 S19400-4752 47.5K 1/4W
R55,R89 2 S19400-6812 68.1K 1/4W
R60 1 S19400-5111 5.11K 1/4W
R76,R77,R78,R79 4 S19400-1503 150K 1/4W
R82,R91,R137 3 S19400-4750 475 1/4W
R83,R84 2 S19400-1333 133K 1/4W
R105 1 T10812-68 1K 1/2W TRIMMER
R106 1 S19400-2671 2.67K 1/4W
R109,R110,R113,R114,R115 5 S19400-1003 100K 1/4W
R116,R117 2 S19400-2431 2.43K 1/4W
R119,R120 2 S19400-1501 1.5K 1/4W
R122,R123,R125,R126 4 S19400-2211 2.21K 1/4W
R127 1 S19400-1821 1.82K 1/4W
R129,R132,R150,R151,R160 6 T14900-1 200 20W
R161
R130 1 S19400-4751 4.75K
R134 1 S19400-2210 221 1/4W
R135 1 S19400-6811 6.81K 1/4W
R140 1 S19400-2000 200 1/4W
R141 1 S19400-26R7 26.7 1/4W
R158 1 T12300-79 1 WATT 1 OHM 1% RESISTOR
R159 1 S19400-6810 681 1/4W
R162 1 S18380-4 PTC THERMISTOR
TP2 1 T13640-15 15J
TRI1 1 S18395-9 S15161-27 ON S18104-5
X4 1 S18395-7 S15128-15 ON S18104-5
X5,X6,X7 3 S15128-4 LM224 OP-AMP
X8 1 S15128-18 QUAD-OP AMP
X9 1 S15128-10 VOLTAGE REF.
±.04
8.00
0
0
.20
11.25
±.04
4.00
7.80
.20
5.63
11.05
IDENTIFICATION
PART NO.
REQ’DITEM
C18 1 S13490-85 .27/50
C17,C24 2 S13490-39 18 / 15
C16 1 S13490-97 100 / 20
C11,C20,C21,C22,C23,C26 11 S16668-5 .022/50
C10 1 S13490-92 3300 / 50
CAPACITORS = MFD/VOLTS
PROTECTION P.C. BOARD ASSEMBLY
REF.
RESISTORS = OHMS
INDUCTANCE = HENRIES
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XXXXXX
3196-1
3196-1
G-15
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