Question about RCA P46921 46" Rear Projection Television

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Sound Issues My RCA P46921 will go days and be fine then all of a sudden the sound is gone. I have picture but no sound. I can unplug it from the wall and then plug it back in a few minutes later and it works. Can someone tell me how to fix this issue

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  • storrance Nov 13, 2007

    my tv has no sound even after I unplug it.



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I believe that's a PTK195 chassis. Yo can verify that with the small sticker on the back panel of the unit. If so, there are a number of things to test: C11637 (1uf/16v Smd) off pin 16 of U11600 R13147 surface mount off pin 50 of micro C11611 (10uf/16v) C11604 (3.3uf/50v) C11623 (4.7uf Or 10uf) Audio output IC U11901 (RCA p/n#235446) IC is located at the front left of the board as viewed from the rear of the unit. R14139 (241320) for change or open condition Q11900 SMD near output IC, RCA p/n#215495 and lastly Q11900 the mute transistor. If ANY of this has you scratching your head take it to the shop and take these notes with you... One or more of the above is your answer and none of it is all that expensive... You could save a bit of money by taking the unit into the shop yourself too. Good Luck! Bill

Posted on Jun 10, 2007


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1 Answer

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Jan 20, 2007 | RCA P46921 46" Rear Projection Television

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