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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-11
POWER WAVE 450
PC BOARD ASSEMBLY-DISPLAY
2862-1
1-6-95B
2-10-95F
8-11-95C
12-8-95E
1-26-96
9-27-96K
3-21-97D
1-7-2000E
INVERTER WELDERS
DISPLAY/KEYPAD P.C. BOARD ASSEMBLY
MP
FULL
2862-1
DRS
9-22-94
G2407-1
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
EQUIP.
TYPE
SCALE
DR DATE CHK
REF.
SUBJECT
SUP’S’D’G
SHT.
NO.
G
G
ITEM
REQ’D
PART NO. DESCRIPTION
CAPACITORS = MFD/VOLTS
INDUCTANCE = HENRIES
RESISTANCE = OHMS
±.04
±.04
ITEM
REQ’D
PART NO. DESCRIPTION
C26,C27,C29,C30,C31,C34
C35,C36,C38,C39,C40,C41
C48,C49,C50,C52,C54,C55
C56,C57,C59,C60,C65,C67
C76,C80,C81,C82,C83,C84
C85,C86,C87,C95,C97,C99
C100,C101
C100,C101
C10,C11,C68,C70,C75,C77
C78,C79,C88,C89,C90,C91
C92,C93,C94
D11,D12,D13,D14,D15,D16
D17,D18,D19,D20,D21,D22
D23,D24
DZ16,DZ19,DZ21,DZ26,DZ27
DZ28
LED7,LED8,LED9,LED10,LED11
LED12,LED13,LED14,LED15
LED16,LED17,LED18,LED19
LED20,LED21,LED22,LED23
LED25,LED26,LED27,LED28
LED29,LED30,LED31,LED32
LED33,LED34
OCI15,OCI16,OCI17,OCI18
Q15,Q16,Q17,Q18,Q19,Q20
Q21,Q22,Q23,Q24,Q25,Q26
Q27,Q28,Q29
R27,R66,R70,R101,R124,R131
R132,R147,R164,R169,R203
R208,R213,R215,R228,R240
R125,R146,R148,R165,R166
R168,R172,R225,R226,R238
R239
R157,R201,R205,R211,R212
R155,R162,R163,R171,R173
R190
R197
R81,R84,R100,R119,R160
R197
R67,R88,R104,R105,R110
R150,R151,R152,R153,R154
R184,R191,R199
R217,R218,R219,R220,R229
R230,R231,R232,R234
C1,C12,C20,C21,C22,C24,C25 45 S16668-11 .1/50
C2,C3,C4,C5,C6,C7,C8,C9 23 S16668-5 .022/50
C14,C45,C46,C63,C96,C98 6 S16668-8 330pF/100
C15,C16,C17,C18 4 S13490-39 18/15
C32,C33 2 S16668-1 22pF/100
C61,C66 2 S13490-73 20/50
C62 1 S16668-7 820pF/50
C64,C71,C72,C73 4 S16668-9 150pF/100
C69 1 S16668-4 2700pF/50
C74 1 S13490-3 .0047/400
D2,D3,D4,D5,D6,D7,D8,D9 22 T12199-1 1N4004
D10 1 T12705-34 1N4936
DZ2,DZ3,DZ4,DZ5,DZ6,DZ11 12 T12702-52 1N4733
DZ7 1 T12702-55 1N4738A
DZ8,DZ14 2 T12702-53 1N4728A
DZ9,DZ10,DZ12,DZ13 4 T12702-25 1N5357B
DZ15,DZ23,DZ24,DZ25 4 T12702-29 1N4744A
DZ17,DZ18,DZ20 3 T12702-27 1N4740
J10 1 S18248-16 HEADER
J11 1 S18248-8 CONNECTOR
J12,J13,J15 3 S18248-4 HEADER
J14 1 S18248-6 HEADER
J16 1 S18248-12 HEADER
J17 1 S18248-10 HEADER
J18 1 S19365-10 RT. ANGLE HEADER
J19 1 S18899-16 ST. HEADER
L1,L2,L3,L4 4 T12218-9 .39mH
LED2,LED3,LED4,LED5,LED6 32 T13657-3 GREEN LED
LED24 1 T13657-4 YELLOW LED
OCI2,OCI4 2 S15000-10 OPTO ISOLATOR
OCI5,OCI7,OCI8 3 S15000-19 IC,OPTOISOLATER
OCI3,OCI13 2 S15000-23 6N136 OPTOCOUPLER
OCI10,OCI11,OCI12,OCI14 8 S15000-24 OPTOSENSOR,REFLECTIVE
Q3,Q5,Q6,Q7,Q8,Q9,Q12,Q13 23 T12704-68 2N4401
Q10 1 T12704-47 .5AMP/300V PNP
Q11 1 T12704-35 NPN TRANSISTOR
Q14 1 T12704-69 2N4403
R2,R6,R11,R12,R14,R16,R24 23 S19400-1001 1K 1/4W
R3,R117 2 S19400-2671 2.67K 1/4W
R4,R8,R9,R10,R18,R19,R20 13 S19400-75R0 75 1/4W
R7,R44,R45,R87,R106,R108 17 S19400-1003 100K 1/4W
R13 1 S19400-3010 301 1/4W
R25,R42,R53,R103,R121,R133 16 S19400-6811 6.81K 1/4W
R26,R57 2 S19400-2670 267 1/4W
R28,R29,R30,R31,R32,R39 24 S19400-1002 10K 1/4W
R33,R34,R74,R93,R143,R149 12 S19400-4750 475 1/4W
R36,R37,R61,R68,R194,R195 7 S19400-1000 100 1/4W
R38 1 T14231-2 10M 1/2W
R43,R54,R107 3 S19400-7500 750 1/4W
R46,R83,R94,R145,R170 5 S18380-1 PTC THERMISTOR
R48,R49,R56,R62,R71,R72 11 S19400-4751 4.75K
R50,R59,R60,R63,R64,R65 16 S19400-1500 150 1/4W
R51,R102,R114,R122,R126 16 S19400-2212 22.1K 1/4W
R73 1 T10812-41 10K 1/2W TRIMMER
R79,R95 2 S19400-2210 221 1/4W
R80,R90,R97 3 S19400-2213 221K 1/4W
R89 1 S19400-2001 2.0K 1/4W
R109 1 S19400-26R7 26.7 1/4W
R112,R196 2 S19400-2000 200 1/4W
R118 1 S19400-5111 5.11K 1/4W
R128,R130,R202,R209 4 S19400-10R0 10 1/4W
R156,R167 2 S19400-4752 47.5K 1/4W
R198,R204,R210,R214,R227 5 S19400-6810 681 1/4W
TP1 1 T13640-11 45J
X1,X2 2 S15128-4 LM224 OP-AMP
X3,X4,X9 3 S17900-25 IC,CMOS,LATCH,3-STATE (SS)
X5 1 S17900-13 QUAD TWO INPUT AND GATE (SS)
X10,X13 2 S20496-1 LED DRIVER (SS)
X11 1 S17900-2 HEX INVERTER (SS)
X12 1 S17900-6 12 STAGE BINARY COUNTER (SS)
X14 1 S17900-26 SELECT/MULTIPLX(SS)
X15 1 S20353-1 IC,CMOS,DRVR/RCVR,EIA232
X16 1 S20603-1 IC,CMOS,ACIA,2.0MHZ,68B50P
Y1 1 S16665-6 CRYSTAL,QUARTZ,4.9152MHZ
X17 1 M15102-3 RESET I.C. UNDERVOLT. SENSING CIR. (SS)
0
.25
1.23
4.73
6.00
8.27
11.75
12.00
0
.25
4.50
9.00
XXXXXXXXX XX
XXXXXXXX XX
XXXXXXXXXXXXXXX
XX XXXXXXX XX
XXXXX
XXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
XXXXXXXX XXXXX
.95
X7 1 S23996 HC11 MICROPROCESSOR(SS)
XXXXXXXXXXX XXXX
XXXXXX
W1 1 CJ000001 E2387-#20-2.00 (JUMPER)
XXX
XXXXXXX
X
XXXXXXXX
X
XXXX
X
X
X
XXXXXXX
XXXXXXX
X
XX
XX
XXX
X
X
XXX
XXXXXXXXXX
XXXXXXXXXX
161
V400 DISPLAY KEYPADG2862-1
X8 1 S21290-4 ROM ASSEMBLY(SS)
R5,R161 2 S19400-1333 133K 1/4W
R17,R35,R159,R207 4 S19400-1501 1.5K 1/4W
R177,R179,R182,R183,R185
R136,R138,R141,R142,R176
R40,R41,R47,R52,R55,R58,R77
R78,R86,R98,R99,R113,R116
R134,R135,R140,R174
R175,R178,R180,R181
R85,R115,R120,R123,R127,R216 15 S19400-3321 3.32K 1/4W
R111 1 S19400-1301 1.3K 1/4W
R129,R137,R139,R158 4 S19400-3322 33.2K 1/4W
G-11
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