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ELECTRICAL DIAGRAMS | ||
PC BOARD ASSEMBLY - SWITCH - |
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6.40
B12 | B11 | B9 | B10 | B3 |
C3
B7 | B5 | B6 | B2 | B1 |
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ITEM | REQ'D | PART NO. | IDENTIFICATION |
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C1,C5,C6,C7 | 4 | .022/50 | |
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C2,C8 | 2 | 2700pF/50 | |
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C3,C4 | 2 | .047/1200 | |
D1,D2,D3,D4,D5,D6,D7,D8, | 10 | 1N4936 |
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D2 |
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| C1 |
| Q7 | R14 | D5 |
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| Q4 R12 | DZ5 | R7 |
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R13 | Q3 |
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DZ3 | R15 | R43 | R5 | R4 | R11 R44 | |
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D3 DZ6 | R35 | R33 R6 | R9 | |||
DZ4 | C7 | R42 | R18 | R17 | R8 | |
B8
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R38 |
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C5 |
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B4 |
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R46 | R28 | R2 | R24 | R22 | R45 |
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A1 |
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R27 R25 R34 | R36 | DZ9 D7 | |||||
R19 R26 | R29 | R37 | C6 |
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D9,D10 |
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DZ1,DZ2,DZ3,DZ12 | 4 | 1N4740 | |
DZ4,DZ7 | 2 | 1N4744A | |
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DZ5,DZ8 | 2 | 1N4728A | |
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DZ6,DZ9 | 2 | 1N4735 | |
Q1,Q2,Q3,Q10 | 4 | IC PKG MOSFET | |
Q4,Q12 | 2 | 2N4401 | |
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Q5,Q6,Q7,Q8,Q9,Q11 | 6 | 2N4403 | |
R1,R3,R5,R24 | 4 | 100 1/4W | |
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R2,R4 | 2 | 221 1/4W | |
R6,R8,R9,R17,R19,R25,R26 | 10 | 10 1/4W | |
R27,R33,R34 |
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R7,R30 | 2 | 1.5K 1/4W | |
R10,R32 | 2 | 15K 1/4W | |
R11,R15,R22,R28,R43,R44 | 8 | 2.00 1/4W | |
R45,R46 |
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R12,R14,R20,R21 | 4 | 1K 1/4W | |
R13,R31 | 2 | 20 1/4W | |
R16,R23 | 2 | 22.1K 1/4W | |
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R18,R29,R37,R42 | 4 | 475 1/4W | |
R35,R36 | 2 | 47.5 1/4W | |
R38,R39,R40,R41 | 4 | 39.2K 1/4W |
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| Q5 |
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DZ1 | D9 | C2 | R10 | Q6 | SWITCH | Q9 | R32 | C8 | D10 | DZ2 | |
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0 | 8.50 |
A
11/01/2002
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.
