Lincoln Electric IDEALARC SP-250 Service Manual page 84

F-37
CONTROL PC BOARD REMOVAL AND REPLACEMENT
CAUTION
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.
Figure F.11.
TROUBLESHOOTING & REPAIR
See
FIGURE F.11 - Wiring Harness and
Molex Plug Locations.
IDEALARC SP-250
J2
J7
J4
J5
J6
J2
J7
J4
J6
J5
J3
F-37
SP-250 CONTROL
G2252
J8
J3
J9
SP-250 CONTROL
G1992
J8
J9