Question about Philips 46PP9302 46" Rear Projection Television

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No sound coming from av outlets

I recently had a professional tv repairman replace the convergance board chips. now i have no sound coming from the av outlets on the side or rear of my tv.

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  • jjkgibson Feb 17, 2009

    sorry for the confusion, it is the input jacks. when i plug playstation
    2 or wii into my dvd recorder which is connected to the tv through the
    tv antena in, i get sound. but when i connect to the av inputs i get
    picture but no sound.

  • jjkgibson Feb 17, 2009

    also my model is philips 60 inch (60pp9910/17) not a 46 inch

  • Billy Bauer May 11, 2010

    Most of the jacks on the back and side of this TV are inputs not outputs. You must send audio into the TV thru these connectors to make sound. Ther is an audio output jack on most TVs in the rear. If you mean to say that you can't get audio when you input it from a source like a DVD player or HD cable box, that's an entirely different matter.



    michtech

  • Shahid Electronics
    Shahid Electronics May 11, 2010

    Please check TV Menu and settings, there would be an option to switch TV audio out On/Off

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Sounds like he forgot to put a cable back.

Posted on Nov 07, 2009

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1 Answer

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No, it is convergence problem due to convergence output chips failure in rear projection tv.
Local tv repairman will fix it because it requires soldering work to replace bad chips in circuit board.
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Could be shorted convergence chips. There are two of them in the TV. If they short they will shut the TV down. One quick test is to desolder both of them...then power the TV on..if it fires up the chips were shorted and would need to be replaced. You can get a complete kit from www.TvRepairKits.com

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3 Answers

Convergence chips


The convergence IC or in a sense ,amplifiers and the resistor are output resistors... if they are burning up the current going through them is spiking too high... TO me this is an indication that the "convegence yokes" are shorted. These are coils around the tubes that control convergence. I would suspect maybe that these are shorted to ground somehow. This is my first guess for this problem

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1 Answer

No power after replacing convergence chips


Check the pins on the convergence ICs to make sure the solder isn't bridged between any two pins. You will need a magnifying glass to make certain.

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1 Answer

JVC AV-48WP30 will not give a picture


Replace the convergence IC`s again using original Sanyo chips (STK 392-110 or STK 392-180). Make sure to use plenty of heat sink compound. Coat the entire back side of the chips. Also look to see if any of the low ohm resistors are burned. A shorted chip will cause the thumping sound and the set will shutdown. I am guessing that you used generic IC`s as a replacement. They are cheap and the leggs fall off when you apply too much heat during soldering. Dont wory about the CRT driver or the deflection board, they are probably fine.

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