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No speaker audio Magnavox plasma TV

No speaker audio. Headphone audio normal. No on screen display of audio when adjusting volume. Replaced 3300ufd caps for no picture or audio issue. Picture now normal just no audio

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  • Gary Weiler Jun 18, 2012

    This is a model Magnavox 50MF231D/37

  • Gary Weiler Jun 19, 2012

    Also do not see any volume information displayed on screen when attempting to raise or lower volume. Can see that volume level is changing in the "menu" sound setting preference and can change the audio of the headphone jack which is producing audio. The suggested solutions don't seem to match my problem.

  • Gary Weiler Jun 20, 2012

    Trouble found. Power supply cable not connected to SSB board.

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1 Answer

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  • Master
  • 760 Answers

Re check all connections on the boards that you worked on. Make sure they are tight.

Posted on Jun 20, 2012

  • Gary Weiler Jun 22, 2012

    That was the problem. Thanks

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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SOURCE: No picture, sound works. Screen flickering

It sounds like the video output isn't
working its most likely a component
failure 1 thing you could try is connecting
a rca cables from video/audio out on the set to
another set vid/audio inputs to see if it the video gets
through.This is a problem that requires technical
knowledge and test equipment to trace the video
signeal

Posted on Nov 22, 2007

  • 5 Answers

SOURCE: PLASMA DISPLAY STARTING UP. PLEASE WAIT

Un plug the power to the Plasma Screen and also to the Media Receiver for ten minutes. Disconnect the off the air antennas both A and B. After ten minutes plug in the plasma screen then the media receiver and turn on wi the remote control. You should now be back in operation. I was.
Also It may not be a bad digital tuner. The TV Guide feature is active even when the zip code is set to all 0s so if you have an over the air antenna attached the TV will look for the TV Guide info and if it can not find it because of a weak signal or the chanel it is tuned to does not carry that information the TV thinks that tuner does not work which triggers the 12 flashes. Also on power up the gray box with the waring message "Plasma Display Starting Up, Please Wait" appears and the screen is blank.

Posted on Feb 20, 2008

jdbouncer
  • 72 Answers

SOURCE: 42" magnavox plasma tv

I partly agree with imaliszewski the problem is Y buffers (upper & lower). There is 3 parts to the Y board (Y-main, Y-upper, and Y-lower). There was an issue with defective Y-buffers in a memo sent out by the Plasma manufacture. The problem could be that you just got a set of these defective buffers in your panel. Or as Imaliszewski stated a current problem. but if you replace the Y-buffers repace them as a set. If your TV goes out again after changing the buffers. The panel is causing the problem by drawing too much current. That was a Defect I found out why working in a Philips/Magnavox warranty repair facility.

Posted on Dec 13, 2008

  • 7 Answers

SOURCE: Vizio P42HDe Plasma TV - Audio, but no picture

check the backlight inverter and the Y-sus board the one to your left. if those are fine check the bottom right buffer board

Posted on Apr 20, 2009

  • 187 Answers

SOURCE: there is no picture but have audio

Your mainboard is damaged and need to be replaced. in order to get a new one you will need a product code and model number, both located in the back of th TV next to serial number.

Posted on Jun 03, 2009

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Hi,
First you need to make a test to adjust your headphones wireless system..
.pls follow the step below:
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1 Answer

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Hi,

If you're trying to plug the speakers into the headphone connector that will happen.
Headphones are having a high impedance and those loudspeakers a low impedance.
That's why your volume is down. It stresses your audio-amplifier and even blow your finals.

Cheers,
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1 Answer

Audio from tv is not restored by turning off power on headphones


It sounds as if you are plugging the base into a standard headphone jack located on the Television set.

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In other words you can take a standard RCA jack.. with nothing connected to it.. plug it in while the music or sound is coming out the main speaker.. and it will cut off the output to those speakers..

If you set has audio outputs on the back.. preferably Fixed Audio Out .. you will need to connect your base unit to those.. turn your set volume to 0 and adjust the headset volume using the control on the right ear-cup.

If you have variable audio out.. you will need to go into your TV sets setup menu.. turn off the speaker.. and turn up the set until you achieve a signal and decent volume through the headset.

If you are missing these connections.. your current “work around” is your only solution.

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good luck---------------------------tomtaso

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