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I turnd the set on and I couldn't see any swelling cap heads. Also the caps I replaced were not getting hot. However there was a ticking sound of some sort about 2 seconds before the set shut off. And the power supply didn't seem to be hot either.

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Hi,

if you have a multimeter measure the voltage on the capacitor after the diode of chopper secondary windings.that would be the B+.

maybe the supply rail B+ is only about 45V or still lower
solution : replace the horizontal deflection flyback transformer maybe partially shorted

maybe no voltage at all
solution : check horizontal output transistor might be defective, replace if found shorted

maybe there is a good supply say at least 110V , but no oscillator drive on the horizontal output transistor, or blocked oscillator signal drive

hope this helps, thanks for using Fixya!

Posted on Jul 19, 2009

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