Replacement procedures, Troubleshooting & repair, Control pc board removal and replacement – Lincoln Electric IDEALARC SP-250 Manuel d'utilisation
Page 84: Caution
F-37
TROUBLESHOOTING & REPAIR
F-37
IDEALARC SP-250
Printed Circuit Boards can be dam-
aged by static electricity. Follow sta-
tic handling guidelines detailed in
“PC Board Troubleshooting
Procedures” at the beginning of this
chapter.
_____________________________
REMOVAL AND REPLACEMENT
PROCEDURE
MATERIALS NEEDED
5/16" Nut Driver
Phillips Head Screwdriver
Static Electricity Grounding Strap
1. Disconnect main input power the
machine.
2. Remove the Case Top and Side
Panels using 5/16" nut driver.
3. Disconnect all wiring harness
plugs and Molex Plugs connect-
ed to the Control Board. See
Figure F.11.
FIGURE F.11 - Wiring Harness and
Molex Plug Locations.
CONTROL PC BOARD REMOVAL AND REPLACEMENT
CAUTION
SP-250 CONTROL
G2252
J2
J7
J4
J5
J6
J9
J3
J8
SP-250 CONTROL
J7
J4
J5
J3
J6
J9
J8
G1992
J2