Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
ELECTRICAL DIAGRAMS | ||
PC BOARD ASSEMBLY - SWITCH - (L8441) |
|
|
Item | Description | Item | Description |
A1 | ELECTRONIC MODULE ASSEMBLY | R2, R4 | |
A2 | ELECTRONIC MODULE ASSEMBLY | R6, R8, R9, R17, R19, | |
B1, B2, B3, B4, B5, B6, | CONNECTOR, tab QC edge offset | R25, R26, R27, R33, R34 |
|
B7, B8, B9, B10, B11, | 1/4” | R7, R30 | |
B12 |
| R10, R32 | |
C1, C5, C6, C7 | CAPACITOR,CEMO .022 50V 20% | R11, R15, R22, R28 | |
C2, C8 | CAPACITOR, CEMO 2700P 50V 5% | R12, R14, R20, R21 | |
C3, C4 | R13, R31 | ||
D1, D2, D3, D4, D5, D6, | DIODE, AXLDS 1A 400V FR 1N4936 | R16, R23 | |
D7, D8, D9, D10 |
| R18, R29, R37, R42 | |
DZ1, DZ2, DZ3, DZ12 | DIODE, Zener 1W 10V 5% 1N4740A | R35, R36 | |
DZ4, DZ7 | DIODE, Zener 1W 15V 5% 1N4744A | R38, R39, R40, R41 | |
DZ5, DZ6, DZ8, DZ9 | DIODE, Zener 1W 6.2V 5% 1N4735A |
|
|
Q1, Q2, Q3, Q10 |
| NOTE: Individual parts listed are not available from Lincoln Electric. | |
| RFD110 |
|
|
Q4, Q12 |
|
| |
| 2N4401 |
|
|
Q5, Q6, Q7, Q8, Q9, Q11 |
|
| |
| 2N4403 |
|
|
R1, R3, R5, R24 |
|
|
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.