Lincoln Electric IDEALARC SP-250 Service Manual page 62

F-15
TEST PROCEDURE
WARNING
The ON/OFF POWER SWITCH will be
"hot" during these tests.
__________________________
NOTE: Secondary voltages will vary pro-
portionably with the primary input volt-
age.
1. Disconnect the main input power
supply to the machine.
2. Remove the Case Top and Side
Panels with a 5/16" nut driver.
3. Locate Plug J3 and Plug J6 on the
G2252 Control PC Board or Plug J3
on the G1992 (Code 9402 only)
Control PC Board.
F.1A and F.1B.
NOTE: The location of Plugs may vary
depending on the machine code.
FIGURE F.1A - G2252 Control PC Board Main Transformer Test Points.
TROUBLESHOOTING & REPAIR
MAIN TRANSFORMER TEST
See Figures
J2
J7
J4
#206
(4J6)
#209
(7J6)
J5
J6
#208
(16J6)
IDEALARC SP-250
SP-250 CONTROL
G2252
J8
J3
J9
#203 #204A #202
(1J3)
(3J3) (2J3)
F-15