Lincoln Electric IDEALARC SP-255 Service Manual page 68

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 Pan-
els with a 5/16" nut driver.
3. Locate Plug J3 and Plug J6 on the
G2801 Control PC Board.
See Figure F.1.
NOTE: The location of Plugs may vary
depending on the machine code.
FIGURE F.1 - G2801 Control PC Board Main Transformer Test Points.
TROUBLESHOOTING & REPAIR
MAIN TRANSFORMER TEST
J2
J7
J4
#206
(4J6)
#209
(7J6)
J5
J6
#208
(16J6)
IDEALARC
SP-255 CONTROL
G2801
J8
J3
J9
#203 #204A #202
(1J3)
(3J3) (2J3)
® SP-255
F-15