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Agoraquest • View topic - KV36XBR450 Horizontal lines

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View topic - KV36XBR450 Horizontal lines

KV36XBR450 Horizontal lines

This Forum is questions on any problems you could have with your Sony Televsion set (i.e. Sony Wega grainess problem, cable problems, so forth)

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by Mike_Darland » Thu Oct 01, 2009 4:40 pm

My set developed horizontal lines about a thrid of the way down from the top. There are only 2 green,2 blue and 2 red lines,in that order. This happened 2 to 3 days before I lost picture and sound.
The picture and sound problem ended up being the secondary power supply,IC6501 which is a PWM IC (MCZ3001D).
But the lines I'm having an issue with. I thought it was the filter cap's on the verticle drive signal going to the deflection yoke coil. Nope,that wasn't it. I  scoped the signal and thought it had a slight hump riding on the sawtooth. Any ideals?  
The cap's I changed were C5080,C5081 and C5024 all on the D board.
Any help would be greatly appreciated .
Sony KV36XBR450

Mike
Mike_Darland
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Location: Arizona

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