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Default Proscan model PS27125, Chassis CTC197BB "snaps"

This set came in with a complaint that it "snaps". I plugged it in
and tried it and heard the Power relay click three or four times and
noted that the HV tried to start up three or four times as well. It
then gave up. Pressing the power button again yielded the same results.
I pulled the chassis and found a few bad solder joints particularly the
ground terminal on the flyback. Resoldering everything suspicious did
not have any affect. Does this symptom on this set sound like anything
common? Thanks for any assistance. Lenny Stein, Barlen Electronics.
Proscan model PS27125, Chassis CTC197BB