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I have a Zenith C27V22 and last week the power went out and ever since then the tv remote will only allow you to turn the volume up and down and none of the buttons on the tv Itself will work except the volume buttons. There is a message on the screen that says cannot change chanels, I cant get the tv to do anything.

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You will have to go through the menu or setup and re-autoprogram the tuner.

Posted on Mar 18, 2008

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I have a Mitsubishi 73"


i would suspect your control buttons on your front panel on the set have become shorted. specifically the volume buttom down. This is freezing you control functions. like someone is holding the volume down button all the time. or intermitantly. this cuircit board is on front of the set. I have seen this problem a few times at the shop. The common repair is to replace that button assembly cuircit board. I believe the last time it cost the customer around 85 dollars, but like all things depends on the part and the technician that puts it in.

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The blue tube might be leaking coolant in the high voltage area, that is the cause of the POP. This repair might not be a DIY because of the lethal high voltage surrounding the CRTs tubes.
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1 Answer

Optical eye


LOL, optical eye? OK, that’s the problem, there is no such part. However, you did not say if any other buttons were working on your remote, ie ch up and down, input, power on and off, ect. If so, it will not be your remote. If you the volume is not working, check you menu setup, under the audio setup.

If no remote functions are work, you can try the inferred Receiver. Its only about 20.00 to replace and can be found at most part stores. Cheaper if you change only the IR block itself.

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replace digital board. A hardware update is available that might solve it.

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if the remote eye on the tv it will do all kinds of strange stuff once the eye on tv gets dirty the the tv will shut off after 2 seconds try cleaning it and see what happens the eye on tv is hard toget to so get a can of air to blow it out i took my pocket knife to clean mine i know that was ruff on eye but thats all i had if this dont work try unpluging your control board on front of set board may be bad or buttons are stuck email me at rjp5765@msn.com if this helps

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