Lincoln Electric IDEALARC SP-250 Service Manual page 63

F-16
FIGURE F.1B - G1992 (Code 9402 Only) Control PC Board Main Transformer Test
Points. Note: Plugs J5 and J6 are on inboard non-component side of Control
Board.
4. Locate the following leads on Plug
J3:
G2252:
TROUBLESHOOTING & REPAIR
MAIN TRANSFORMER TEST
J2
J7
J5
#208
(1J3)
J3
#203
(7J3)
LEAD PLUG
LOCATION
#202 1J3
#203 3J3
#204 A 2J3
LEAD PLUG
LOCATION
#202 6J3
#203 7J3
#204 A 5J3
IDEALARC SP-250
SP-250 CONTROL
G1992
J4
J9
J6
#209 (2J3)
#206 (3J3)
#204A (5J3)
#202 (6J3)
G1992 (code 9402 only):
5. Connect main input power to the
machine.
6. Turn the
ON/OFF POWER SWITCH to ON.
7. Make the following voltage tests at
Plug J3.
FROM
LEAD
#202
(1J3)
#202
(1J3)
#203
(3J3)
J8
IDEALARC SP-250
TO EXPECTED
LEAD VOLTAGE
#203 30 VAC
(3J3)
#204 A 15 VAC
(2J3)
#204 A 15 VAC
(2J3)
F-16