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| ELECTRICAL DIAGRAMS |
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PC BOARD ASSEMBLY - |
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| ITEM | PART NO. | QTY | PC BOARD REFERENCE | DESCRIPTION |
NOTES: |
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| DESIGNATORS | ||||
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| v | 1 | 1 |
| PCB BLANK | |
N.A. CAUTION: THIS DEVICE IS SUBJECT TO DAMAGE BY STATIC ELECTRICITY. |
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| 2 | 1 |
| POTTING TRAY | ||
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| 3 | 2 |
| SELF TAPPING SCREW | ||
LINCOLN ELECTRIC TO SEE E2454 BEFORE HANDLING. |
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| 4 | E2527 | 112 g |
| EPOXY ENCAPSULATING RESIN |
N.B. SECURE P.C. BOARD ASSEMBLY IN PLACE WITH ITEM (4), 2 PLACES. |
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| 5 | E3539 | AS REQ'D |
| ELECTRICAL INSULATING COMPOUND | |
N.C. IDENTIFY COMPLETE ASSEMBLY AND SERIAL CODE WITH PRINTED LABELS PER E3876. |
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| FOR ITEMS LISTED BELOW REFER TO ELECTRONIC COMPONENT DATABASE FOR COMPONENT | ||||
N.D. NO COMPONENTS ON BOTTOM SIDE OF P.C. BOARD. |
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| SPECIFICATIONS | ||
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| 6 | 4 | B1,B2,B3,B4 | CONNECTOR,TAB,QC,VERTICAL,1/4,REEL | |
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| 7 | 2 | C1,C2 | CAPACITOR,TAEL,3.9,35V 10% | |
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| 8 | 3 | C3,C4,C6 | CAPACITOR,CEMO,0.1, 50V,10% | |
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| 9 | 1 | C5 | CAPACITOR,CEMO,.022, 50V,20% | |
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| 10 | 4 | D1,D2,D6,D7 | DIODE,AXLDS,1A,400V,FR,1N4936 | |
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| 11 | 2 | D3,D4 | DIODE,AXLDS,3A,200V,1N5402 | |
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| 12 | 1 | D5 | DIODE,T218,60A,400V,SR | |
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| 13 | 2 | DZ1,DZ2 | ZENER DIODE, 1W,15V,5% 1N4744A | |
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| 14 | 1 | J65 | ||
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| N.A. 15 | 2 | Q1,Q2 | MOSFET/HEATSINK | |
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| 16 | 2 | Q3,Q4 | TRANSISTOR,NPN,TO226,0.5A,40V,2N4401 | |
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| 17 | 2 | Q5,Q6 | TRANSISTOR,PNP,TO226,0.5A, 40V,2N4403 | |
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| 18 | 4 | R1,R4,R17,R18 | RESISTOR,MF,1/4W,22.1K,1% | |
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| 19 | 2 | R10,R11 | RESISTOR,MF,1/4W,100,1% | |
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| 21 | 2 | R12,R15 | RESISTOR,MF,1/4W,4.75K,1% | |
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| 22 | 1 | R16 | RESISTOR,MF,1/4W,12.1K,1% | |
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| 23 | 2 | R19,R20 | RESISTOR,MF,1/4W,100K,1% | |
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| N.B. |
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| 24 | 5 | R5,R6,R7,R13,R14 | RESISTOR,MF,1/4W,1.00K,1% | |
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| 25 | 2 | R8,R9 | RESISTOR,MF,1/4W,82.5K,1% | |
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| 26 | 1 | X1 | IC,COMPARATOR,QUAD,2901N | |
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| 27 | 1 | X2 | VOLTAGE REF,ADJ, PECISION,431I | |
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| R11 |
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| Q6 |
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B1 | D4 | DZ2 | Q1 | R7 | R1 | R13 |
| R12 |
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| UNLESS OTHERWISE SPECIFIED: | ||
X2 |
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| CAPACITORS = MFD/VOLTS | ||||||||||
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| Q4 |
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| RESISTORS = 1/4W/OHMS | ||
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| R16 |
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| INDUCTANCE = HENRYS |
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| R10 | C3 |
| R15 | D1 |
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B2 |
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| Q5 |
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| R9 | C2 |
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| R18 |
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| R20 | D6 | R5 | J65 | (3.64) |
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| R6 | R4 |
| R19 | D7 | R14 |
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| D3 | DZ1 | Q2 | Q3 |
| X1 | R17 | C1 |
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B3 |
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| C6 | D2 |
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| C4 |
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| C5 | R8 |
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| BUY AS |
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B4 |
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| D5 |
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| PULL COIL |
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| PART NO. | IDENTIFICATION CODE | ||
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| BUY PER E3867 |
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| N.C. |
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| TEST PER E3883 | ||
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| (6.14) |
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| SCHEMATIC REFERENCE L11383 |
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| EXPERIMENTAL DRAWING |
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| NOT TO BE USED FOR PRODUCTION |
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| SEE TITLE BLOCK FOR REVISION LEVEL |
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| THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY THE LINCOLN ELECTRIC COMPANY AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS WRITTEN PERMISSION OF THE LINCOLN ELECTRIC COMPANY, CLEVELAND, OHIO U.S.A. |
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| UNLESS OTHERWISE SPECIFIED TOLERANCE | Chg. Sheet No. |
| "X" INFO. | DESIGN INFORMATION | REFERENCE: | EQUIPMENT TYPE: | ENGINE WELDERS |
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| MANUFACTURING TOLERANCE PER E2056 |
| SOLIDEDGE | ||||||||
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| ON 2 PLACE DECIMALS IS ± .02 |
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| 5000762 | DRAWN BY: MAP/ | ||||||
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| ON 3 PLACE DECIMALS IS ± .002 |
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| SUBJECT: | PULL COIL P.C. BOARD ASSEMBLY | |||||
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| 5000751 | ||||||||
| ON ALL ANGLES IS ± .5 OF A DEGREE |
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| MATERIAL TOLERANCE ("t") TO AGREE |
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| SUPERSEDING: |
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| DO NOT SCALE THIS DRAWING |
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| XC | APPROVED: |
| SCALE:NONE | |||||
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| WITH PUBLISHED STANDARDS. |
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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.