Question about Hitachi 53FDX01B 53" Rear Projection Television

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Sound is distorted

The tv has sound but only if it the volume is all the way up and it is very scratchy. I thought it might be the speakers but when it is hooked up to other speakers it had the same result. Possibly the sound board?

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Good Day;
Suspect the audio output IC. If you are using the TV's speakers.
Good Luck, big IRISH.

Posted on Sep 08, 2008

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Mitsubishi ws-65807 65 inch. The sound is very low, distorted and very scratchy noise. It is not the audio exit, it has already been changed. What else could be the problem and what parts would need...


Hi


Thanks for using FixYa. Please reset the TV by unplugging the power cord for more than 4 hours and plug it back in. Now check that the sound is coming normally from the set. You’ll need to also check these parts---

Breakdown or overheating of some components of amplifier, wiring, speakers, function settings, power supply and sound detector inside the signal IC processors are fine.


Go to the on-screen-display and make sure you are set for stereo audio. Please check that the on screen display is set up for internal speakers and stereo audio. Also, check any other settings that may have gotten disturbed accidentally. Make sure that all the settings are correct and that the internal switch on the back is set right. Use headphones and check if you’re getting sound through them. You’ll need to check that the issue is with the speakers, wiring or the amplifiers.


If still the issue is not resolved then check the audio chips are fine. If you’re using RCA cables then switch to HDMI and vice-versa.

Please do accept the solution if the issue is resolved or else revert for further assistance.


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1 Answer

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Do you no sound.......or distorted sound.
Have you checked all speaker connections if this is a unit that has been in place for quite some time.
Age can do strange things to terminal connections which may need either resoldering or cleaning up.
Try using other speakers that you know give good sound output on another system. It could be that the speaker diaphragms have dried out and lost their elasticity.

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RCA HAD A CERTAIN MODEL SERIES THAT HAD A REALLY BAD DESIGN,,IT SEEMS THAT SOLDER CONNECTIONS STARTED BREAKING LOOSE AND DEPENDING WHERE THEY CAME LOOSE,,YOU WOULD HAVE PROBLEMS IN THAT CERTAIN CIRCUIT..TO DETERMINE IF YOU HAS THAT SERIES,,WE WOULD NEED THE CHASSIS # ON THE BACK...
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