Question about Zenith Z50PX2D 50 in. Plasma HDTV

1 Answer

No picture but has sound

My sony tv has sound when you turn it on but no picture.  We have unplugged the tv waited and the picture would finally come up. We called sony support and all they told us is to unplug. this morning when i got up the sound was there no picture but after cutting the tv off several times the picture appeared. now to come back home and have the same thing happen. after cont cutting off and on the picture will appear the sound is fine.  the red light does not blink after the tv picture appears. when you first cut the tv on it blinks then.  please help??? after the picture appears i have cut the tv off and on and the picture comes on its when you cut the tv off for a period of time there is no picture but we have sound.

The TV is about a year and a half old. Turned it on and after a short time I heard a loud pop and then the picture went. When I turned it back on the picture is hard to see and is dark and has no color. The sound is fine.

Posted by on

  • falgout Apr 28, 2008

    I have almost the same problem. 2 y/o Sanyo HDTV. It started by taking the tv an hour to warm up. now, if you turn it off it takes about 5-6 hours to warm up and start working.

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  • Zenith Master
  • 19,396 Answers

The problem can be caused by a bad sustain board (Ysus Zsus) , the popping sound is often caused by a capacitor blowing up.
The TV must be taken apart and tested before eventually replacing sustain boards.

Posted on May 05, 2009

  • Michele SantaMaria
    Michele SantaMaria Jan 05, 2014

    Dear Ginko, Does your answer apply to a CRT with Tube television? or for plasma, or LED or all of the above? Thank you.

  • Ginko
    Ginko Jan 06, 2014

    Hi, sustain boards are used to control the energy supply to the plasma panel. The solution does not apply to CRT, LCD or LED models.

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2 Suggested Answers

SOURCE: no picture but has sound

your bulb has burnt out

Posted on Sep 09, 2008

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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