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KV-32HS420 sony tv thay the stand by light blinked 7 times before repairs. I have replaced the IC6501 & IC8002. Now it blinks 6 times . Can some one tell me what to do next. I have a service manual for this unit & I am an electrician. Very handy with my tools and can perform some repairs. Please advise

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Hi,

first we start with the power supply,

we need to have at least 110v to have the deflection circuits working.


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 21, 2009

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