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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-21
POWER MIG 300
PC BOARD ASSEMBLY - ENCODER PC BOARD - CODE 10562 ONLY
L
11559-2
12-21-2001A
B
R
DUAL
ENCODER
L11559-
2
C1
J36
A1 A2
C9
D1
J361
TP
1
TP
4
TP
3
TP
2
X1
C2
C3
C4
C5
C6
C7
C8
R1
R16
R14
R3 R4 R5 R6 R8 R9
R13
R12 R11
R10
R15
X2
0
1.50
.75
0 5.00
.15
4.85
1
N.B.
N.B.
N.B.
ITEM R EQ'D PART No. DESCRIPTION
11L11166-1 FLEX CIRCUIT
2.01 OZE3539 ELECTRICAL INSULATING COMPOUND
31S24951-4 CPLD SOFTWARE
A1,A2 2 M17789-2 E NCODER,ROTARY,OPTICAL,61JY2049
C1 1 S25024-7SMT CAPACITOR ,SMD,TANTALUM,47MF,20V,10% ,S7343
C2,C3,C4,C5,C6,C7,C8 7 S25020-3S MT CAPACITOR ,S MD,CE RAMIC,0.1MF ,50V,10% ,X7R ,S0805
C9 1 S13490-94 CAPACIT OR ,PEMF,0.33,200V,10%
D1 1 S25040-5SMT DIODE,SMD,DUAL,0.200A,70V,UFR
J36 1 S18248-10 CONNECTOR,MOLEX,MINI,PCB,10-PIN
J361 1 S24020-4 CONNECTOR ,MOLE X,MINI,PCB,4-PIN,TIN
R1 1 S25001-2670S MT R ESISTOR ,SMD,267OHMS,1/4W,1206,1% ,TR
R3,R4,R5,R6,R8,R9 10 S25000-1212SMT RESISTOR,SMD,METAL FILM,1/10W,12.1K,1%,S0805
R10,R11,R12,R 13
R14 1 S25000-1501SMT RESISTOR,SMD,METAL FILM,1/10W,1.50K,1%,S0805
R15 1 S25000-28R7SMT RESISTOR,SMD,METAL FILM,1/10W,28.7OHMS,1%,S0805
R16 1 S25000-4750SMT RESISTOR,SMD,METAL FILM,1/10W,475OHMS,1%,S0805
N.A. X1 1 S25070-3S MT CPLD,PR OGR AMMABLE ,XC 9536,44-PIN,VQFP(SS)
N.A. X2 1 S17900-8SMT IC,SMD,CMOS,INVER TER,SCHMITT,HEX,HC14A(S S)
FOR ITEMS BELOW, REFER TO ELECTRONIC COMPONENTS DATABASE FOR COMPONENT SPECIFICATIO
N
G-21
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