Question about Sony FD Trinitron WEGA KV-32FS100 32" TV

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TV not responding to remotes

Sony Trinitron model number KV-32FS10.

Recently our television has not been responding well to remotes. Rather, it has not been responding to remotes, period. I initially thought it was the batteries in one of the remotes and proceeded to change them, and when this did nothing to fix the problem I decided to try reprogramming our Comcast universal remote in an attempt to fix the problem.

However, all attempts have fixed nothing. I looked up numerous Sony codes, and went so far as to do the ''search yourself'' method, all to no avail. Something that I've noticed has caused similar issues in the past was if something was on top of the television (anything electronic) messing with the receiver device that responds to remotes. I'm not sure what to call it as I don't know televisions well. Usually moving whatever was blocking the signal was the solution.

This time there is nothing blocking it! As far as I can tell, the remotes were all working a week ago, so I'm at a loss as to what changed between that time and now to cause this.

So please, if anyone has experienced this personally or understands what is causing it, I'd very much appreciate your wisdom.

Posted by on

  • erinja Mar 01, 2009

    We have a remote for the TV but also a universal remote. I know for a fact neither of them has been dropped and we have no digital cameras in the area to test whatever it is you mentioned. My whole point of addressing the TV codes was to mention that the universal remote is also not working. I'm almost 100% certain it isn't the remotes that are the problem, but rather the television itself. The universal remote works just fine with the cable box and whatever else it's programmed to control.

    Thanks for your input, however.


  • robson_lee Mar 17, 2009

    my tv just does not respond when using the remote or by the buttons on the tv then the screen goes blank but has sound

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I ASSUME IT'S JUST THE REMOTE YOU'RE SPEAKING OF- FIRST, IF YOU HAVE A DIGITAL CAMERA, OR CAMERA PHONE, AIM IT AT THE INFRA-RED LED'S ON THE FRONT OF THE REMOTE, AND PRESS BUTTONS [LIKE POWER OR CHANNEL] - THE CCD'S USED IN DIGITAL CAMERAS ARE VERY SENSITIVE TO IR, AND YOU SHOULD SEE A WHITE LIGHT [IMAGE] OF THE LED'S, EITHER STEADY, MOMENTARALLY, OR PULSING. IF THE REMOTE HAS BEEN DROPPED, THERE IS A CCHANCE THE CRYSTAL CONTROLLING THE FREQUENCY HAS BEEN DAMAGED. TRY A UNIVERSAL REMOTE, ALTHOUGH OFTEN YOU MAY LOOSE SOME FUNCTIONS, OR THE BUTTONS REACT DIFFERENTLY THAN LABELED. SELDOMLY, BUT IT DOES HAPPEN, THE IR RECEIVER SECTION OF THE SET ITSELF CAN FAIL. THE IR RECEIVER [LOOKS LIKE A DARK LED] CAN FAIL, AND THEY'RE COMMERCIALLY AVAILABLE AT RADIO SHACK

Posted on Feb 28, 2009

  • david small
    david small Mar 04, 2009

    ok, with the detail you have just provided, it does sound like it could be the tv itself. [i assume you have tried a code search- the feature where you scroll through by pressing usually the power button on the universal until the set responds], with no sucess. also, make certain the lens on the st [usually a red piece of plastic] is clean and unobstructed. one inexpensive and commercially available [even atradio shack] is an infra-red receiver 'led' - i use the quotes because i don't recall if they actually label it as an led, but it looks just like a dark led. beyond that, if the set is new enough to warrant the time and effort, you might want to obtain service notes on the set, and one other thing- google your model, and even specify your problem, and don't be surprised if you find that it is not an uncommon problem, and there will be a list of the most common failed components. anyway, in my experience, the circuit for the remote function has relatively few components, if you have a voltmeter, check across the electrolytic capacitors in the ac range, and the reading should be zero. the only other thing i can think of would be one of the processor chips, and that would most likely be an involved repair, and parts availability is not very likely. good luck

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