Posted on Oct 24, 2007

No picture and thumping sound

Picture suddenly scrambled with red and blue lines then went out completely. It started making a thumping sound and now thats all it will do when you turn on the power. Any suggestions.

gkcruz Feb 05, 2008

TV was working Fine, then it just went out with a thumping sound and no picture.. Any help would be appreciated. Or should I thrash..Thanks...

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Anonymous

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Posted on Feb 17, 2008

Anonymous

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Joined: Feb 17, 2008

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I just had the same problem with my TV and looking on the web I found a site that helped. The site was www.freelists.org/archives/techassist/11-24/msg00326.html The entry said Raster NO GO / Pulsing sound from speakers / Poss ant relay clicks in time to the pulsing. It recommended replacing C816 and C5a28 (100uf /200v Caps) C5a03 (4.7uf / 200v cap) My set did not have the ant relay clicks and I could not fine the C816 cap on the circuit board and I didn't have the schematic. I found the C5a28 and C5a03 caps about the middle of the circuit board in the same circuit (around the metal L shaped bracket). The C5a28 cap was bad and the C5a03 cap was fine. I replaced the C5a28 cap and the set works fine now.

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