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TROUBLESHOOTING & REPAIR
F-22 F-22
SQUARE WAVE TIG 275
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T1 MAIN TRANSFORMER TEST (continued)
6. If all of the secondary voltages are correct, the
T1 transformer is functioning properly.
a. If all of the secondary voltages are missing
or incorrect, make certain that the correct
input voltage is being applied to the correct
primary leads. See Table F.1.
b. If the correct input voltage is being applied
to the primary leads and any or all of the
secondary voltages are incorrect, the T1
transformer may be faulty. See
Main
Transformer and Output Choke
Removal and Replacement.
Also check
the leads for broken or loose connections
between plug J8 and the T1 transformer.
7. Replace the case side covers.