Question about Sylvania SRT2420P TV

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No pic no sound

When i push power on either tv or remote i hear two clicks. sounds like one for on and one for off but it never comes on. took the back off and don't see any loose or burnt wires

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Re: no pic no sound

Loosen solderd part connot be seen.. you have to test and reheat the board.. this will take time but this is the best solution...after reheating the board then find no result i suspected to check the H.out somewhere near the flyback.....gud luck!!

Posted on Mar 12, 2007

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It's maybe caused by the the defective HORIZONTAL output transistor,,pls try to locate it near the flyback trans.replace one...Dods

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I have a Sony Wega KV-34HS420 TV that takes several tries to turn on. When I push the power button or remote power on I hear the normal click and the sound comes on for 3-5 seconds but then I hear a second...

Since the set appears to "recover", it suggests either a poor solder connection or bad cap somewhere in the power supply. The 7 blinks indicate the problem circuit is in the horizontal area. Check the regulator (STRxxxx) IC in the power supply. If you do not have experience working with TVs, please refer this repair to a shop. The regulator IC costs around $25.


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If you dont here anything then it sounds like the switching power supply or the horizontal output circuits not starting up. this requires troubleshooting with a variac, as well as maybe a scope. If your not trained to work on HI Voltage circuits you should seek assistance with this repair. Theres HI voltage inside these sets even after they are unplugged for a while. sorry i couldnt be of more assistance.

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