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ELECTRICAL DIAGRAMS |
DISPLAY PC BOARD SCHEMATIC - (L10951)
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| LAST NO. USED | R- 14 X- 5 | C- 10 LED- 3 | LABELS D- 1 DISP- 7 | SUPPLY VOLTAGE NET | POWER SUPPLY SOURCEPOINT | COMMON CONNECTION | FRAME CONNECTION |
| EARTH GROUNDCONNECTION |
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| SCHEMATIC, DISPLAY PCB |
| L 10951 |
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| 500 |
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| POWERMIG 255 | SHT. SUP’S’D’G.NO. | |||||||||||
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| CAPACITORS = MFD ( .022/50V UNLESS OTHERWISE SPECIFIED) |
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| 16 | BANK4 | X3 | a | 7 |
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| RESISTORS = Ohms (1/4W UNLESS OTHERWISE SPECIFIED) |
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| EQUIP. TYPE | CLEVELAND, OHIO U.S.A.SUBJECT |
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| 15 |
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| 6 |
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| 3 | 8 |
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| BANK3 |
| b |
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| 3 | 8 |
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| 1 |
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| 3 | Vdd |
| c | 5 |
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| 1 |
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| 1 |
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| DIODES = 1A, 400V (UNLESS OTHERWISE SPECIFIED) |
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| 2 |
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| 13 | BANK2 |
| d | 4 |
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| 4 |
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| GT DATE 2/20/98 CHK. | ||||||
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| 5 |
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| 9 | BANK1 |
| e | 2 |
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| 5 |
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| 5 |
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| 17 | BANK5 |
| h | 19 |
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| 7 |
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| 7 |
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| 7 |
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| 12 | DATA IN |
| Vss | 14 |
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| 9 | DISP3 |
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| 9 | DISP2 |
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| 9 | DISP1 |
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| THE LINCOLN ELECTRIC CO. |
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| 10 |
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| NONE | ||||||||||||
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| 11 | CLOCK |
| g | 20 |
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| ELECTRICAL SYMBOLS PER E1537 |
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| 10 | /ENABLE |
| f | 1 |
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| GENERAL INFORMATION |
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| FILENAME: |
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| 18 | DATA OUT |
| Rx | 8 |
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| MC14489 |
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| SCALE | |||||||||||
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| R11 | 1.50K |
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| DR. |
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| 500 |
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| A COMMON CODE |
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| J10 | LATCH |
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| 13 |
| 12 | 1 |
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| DIAGRAM MAY |
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| 4 |
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| R10 |
| X5 | X5 |
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| 475 |
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| C9 |
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| WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS | NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING |
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| .0047 |
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| COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE |
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| 50V |
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| 500 |
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| J10 | SCK |
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| Ch’ge.Sht.No. | XA |
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| 5 |
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| R9 |
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| 11 | X5 |
| 10 |
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| 475 |
| C8 |
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| .0047 |
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| 50V |
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| 500 |
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| 16 | BANK4 | X4 | a | 7 |
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| 3 | 8 |
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| BANK3 |
| b |
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| 3 | 8 |
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| 3 | 8 |
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| 1 |
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| 3 | Vdd |
| c | 5 |
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| 1 |
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| J10 |
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| 13 | BANK2 |
| d | 4 |
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| 4 |
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| VOLTS |
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| MOSI |
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| 9 |
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| 6 |
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| R8 |
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| X5 |
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| 9 | BANK1 |
| e | 2 |
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| 5 |
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| 5 |
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| 5 |
| LED3 |
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| 6 |
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| 475 |
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| 17 | BANK5 |
| h | 19 |
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| 9 | DISP7 |
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| 12 | DATA IN |
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| R5 | R6 | R7 |
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| 10 | /ENABLE |
| g | 20 |
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| 18 | DATA OUT |
| Rx | 8 |
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| R12 | 1.50K |
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| Vdd | 3 |
| Vdd | 3 |
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| C10 | X4 |
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| C4 | 5 | X5 | 6 |
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| IN | 7805 |
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| MC14489 | 50V | MC14489 |
| 50V |
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| 18 | Vss |
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L |
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10951 | 500 | 8 |
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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 |
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from Lincoln Electric. This information is provided 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 |
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Machine Operator or Technician. Improper PC board repairs could result in damage to the machine. | POWER MIG 255 |
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