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F-38 TROUBLESHOOTING AND REPAIRF-38
AUXILIARY TRANSFORMER NO. 2 TEST (continued)
FIGURE F.8 — AUXILIARY TRANSFORMER NO. 2 TEST.
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TEST PROCEDURE
1.Remove the main input supply power to the Power Wave 455 machine.
2.Remove any load that may be connect- ed to the 115 VAC receptacle.
3.Using the 3/8 in. nutdriver, remove the left and right case sides.
4.Perform the Capacitor Discharge
Procedure.
5.Locate plugs P80 and P81 at the Auxiliary Transformer No. 2. Refer to Figure F.8.
6.Carefully apply the correct input power and check for 115 VAC at plug P81 pins #1 and #4.
7.If 115 VAC is present, the Auxiliary Transformer No. 2 is good.
4 
1
2
6 
3 P80
1
4 P81
8.If 115 VAC is not present between pins #1 and #4, check the associated leads and plugs for loose or faulty connec- tions.
WARNING
High voltage is present at plug P80.
9.Carefully test for the correct AC input voltage applied to the primary windings at plug P80. See wiring diagram.
10.If the correct AC input voltage is applied to the primary of the Auxiliary Transformer No. 2 and the secondary voltage is NOT correct, the transformer may be faulty. Replace.
11.Install the left and right case sides using the 3/8 in. nutdriver.
