Lincoln Electric SVM 117-A Welder User Manual


 
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F-11
TROUBLESHOOTING & REPAIR
F-11
WIRE-MATIC 250
MAIN TRANSFORMER TEST (CONTINUED)
TEST PROCEDURE
The ON/OFF POWER SWITCH will be
"hot" during these tests.
__________________________
NOTE: Secondary voltages will vary
proportionably with the primary input
voltage.
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
G2332 Control PC Board.
NOTE: The location of Plugs may vary
depending on the machine code.
FIGURE F.1 - G2332 Control PC
Board Main Transformer Test Points.
G2332
WM-250 CONTROL
J2
J7
J4
J10
J6
J9
J3
J5
#202
(1J3)
#204A (2J3)
#203
(3J3)
#206
(4J6)
#209
(7J6)
#208
(16J6)
J1
WARNING