TROUBLESHOOTING & REPAIR
F-23 F-23
SQUARE WAVE TIG 275
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T1 MAIN TRANSFORMER TEST (continued)
TABLE F.1.
T1 TRANSFORMER VOLTAGES
TEST POINTS ACCEPTABLE VOLTAGES
SECONDARY WINDINGS SECONDARY VOLTAGES
PLUG J8 PIN 1 (LEAD #210)
TO
PLUG J8 PIN 9 (LEAD #209) 18 VAC
PLUG J8 PIN 6 (LEAD #201)
TO
PLUG J8 PIN 4 (LEAD #204) 18 VAC
PLUG J8 PIN 2 (LEAD #231)
TO
PLUG J8 PIN 12 (LEAD #232A) 115 VAC
PLUG J8 PIN 13 (LEAD #211A)
TO
PLUG J8 PIN 14 (LEAD #212) 23 VAC
X1 TO X2 78 VAC
PRIMARY WINDINGS
1
PRIMARY VOLTAGES
H1 TO H2 208 VAC
H1 TO H3 230 VAC
H1 TO H4 460 VAC
NOTE: If the input voltages vary, the secondary voltages will vary accordingly.
1
Based on 208/230/460 models. For other voltage models refer to appropriate wiring diagram.
