TOC
TOC
ELECTRICAL DIAGRAMS | ||
PC BOARD |
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G |
6.50
1
2.41
0
B12 | B11 |
R3 | C1 | |
D4 | ||
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D2 |
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R14
R16
Q4 | Q7 |
R13
R5
D5
DZ5
R7
R12
R4
Q2 | R15 R43 | DZ6 |
Q3 | DZ3 R11 | R44 |
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R33
R9
R6
R17
R8
C7
R18
R42
DZ4
R35
D3
Q6 | Q5 |
D9
DZ1
C2
R10
B9 | B10 | B3 | B7 | B5 | B6 |
C3
C4
B8 | B4 |
A1
A2
R38 | R39 | R40 | R41 |
G2390-1 V400 SWITCH
B2 | B1 |
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C5 |
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| Q11 | Q12 |
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R45 | R22 DZ9 | Q1 |
R46 | R28 | DZ12 | Q10 |
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| R34 |
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| R27 |
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| Q8 | Q9 |
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C8
R32
ITEM | REQ’D | PART NO. | DESCRIPTION |
A1 | 1 | ELECTRONIC MODULE (SS) | |
A2 | 1 | ELECTRONIC MODULE (SS) | |
B1,B2,B3,B5,B6,B7,B9,B10 | 10 | TAB TERMINAL | |
B11,B12 |
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C1,C5,C6,C7 | 4 | .022/50 | |
C2,C8 | 2 | 2700pF/50 | |
{C3,C4 | 2 | .047/1200 | |
D1,D2,D3,D4,D5,D6,D7,D8,D9 | 10 | 1N4936 | |
D10 |
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DZ1,DZ2,DZ3,DZ12 | 4 | 1N4740 | |
DZ4,DZ7 | 2 | 1N4744A | |
DZ5,DZ6,DZ8,DZ9 | 4 | 1N4735 | |
Q1,Q2,Q3,Q10 | 4 | IC PKG MOSFET (SS) | |
{ | 2 | 2N4401 | |
Q4,Q12 | |||
Q5,Q6,Q7,Q8,Q9,Q11 | 6 | 2N4403 | |
R1,R3,R5,R24 | 4 | 100 1/4W | |
R2,R4 | 2 | 221 1/4W | |
R6,R8,R9,R17,R19,R25,R26 | 10 | 10 1/4W | |
R27,R33,R34 |
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R38,R39,R40,R41 | 4 | 39.2K 1/4W | |
R7,R30 | 2 | 1.5K 1/4W | |
R10,R32 | 2 | 15K 1/4W | |
R11,R15,R22,R28,R43,R44 | 8 | 2 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 | |
R18,R29,R37,R42 | 4 | 475 1/4W | |
R35,R36 | 2 | 47.5 1/4W |
CAPACITORS = MFD/VOLTS
INDUCTANCE = HENRIES
RESISTANCE = OHMS
Return to Section TOC
Return to Master TOC
0 | 4.13 | 8.25 |
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| THE LINCOLN ELECTRIC CO.EQUIP.TYPE |
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| CLEVELAND, OHIO U.S.A. | SWITCH P.C. BOARD ASSEMBLY | |||||||||||||||
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| JLV | SCALE FULL |
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| DATE | CHK | R.M. | REF. |
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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.
