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| ELECTRICAL DIAGRAMS | ||
TOC | TOC | PC BOARD ASSEMBLY - PROTECTION - | Item | Identification | |
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Section | Master |
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| B5, B14, B51, B52, B53 | CONNECTOR, tab 1/4” |
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| C1, C3, C4, C5, C6 | CAPACITOR, ceramic |
to | to |
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| C2 | CAPACITOR, tantlm etc. |
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| 27∝f 35VDC | ||
Return | Return |
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| DZ1 | |
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| DIODE, IN4740 Zener 10V 1W | |||
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| D1, D3, D4, D5, D6, D7 | DIODE, 1A 400V |
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| D8 | DIODE, 1A 1000V |
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| J8 | RECEPTACLE, Molex mini 4 pin |
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| J15 | RECEPTACLE, Molex mini 6 pin |
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| OCI1, OCI2, OCI3, OCI4 | OPTO, Isolator |
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| P8 (plugs into J8) | PLUG HOUSING, Molex mini 4 pin |
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| P15 (plugs into J15) | PLUG HOUSING, Molex mini 6 pin |
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| R1, R2 | RESISTOR, MF .25W 1% 681K |
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| ohm |
TOC | TOC |
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| R3, R13, R16 | RESISTOR, MF .25W 1% 1.82K |
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| ohm. | ||
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Section | Master |
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| R4, R5, R11, R12 | RESISTOR, MF .25W 1% 150K |
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| ohm | ||
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| R6, R8, R9, R10, R27 | RESISTOR, MF .25W 1% 56.2K |
to | to |
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| ohm |
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| R7, R20 | POTENTIOMETER, Cermet trmr | ||
Return | Return |
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| .25W 1% 5K ohm | ||
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| R14 | RESISTOR, MF .25W 1% 100K |
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| ohm |
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| R15 | RESISTOR, MF .25W 1% 475 |
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| ohm |
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| R18, R26, R28, R32 | RESISTOR, MF .25W 1% 10K |
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| ohm |
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| R19 | RESISTOR, MF .25W 1% 3.32K |
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| ohm |
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| R21, R23, R24, R25, | RESISTOR, MF.25W 1% 15K |
TOC | TOC |
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| R29, R30, R31, R33 | ohm |
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| R22 | RESISTOR, MF .25W 1% 332K | ||
Section | Master |
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| ohm |
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| R34, R36 | RESISTOR, MF .25W 1% 276K |
to | to |
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| ohm |
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| R35, R37 | RESISTOR, MF .25W 1% 332 | ||
Return | Return |
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| X1 | QUAD | ||
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| ohm |
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| TERMINALS (P8, P15) | TERMINALS, Molex mini |
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| X2 | VOLTAGE REGULATOR, linear |
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| 7805 5VDC |
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| NOTE: Individual parts listed are not available from Lincoln Electric. | |
to Section TOC | to Master TOC |
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Return | Return | 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- | ||
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| 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 | ||
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