Panasonic TH-50PHD7UY 50 in. HD-Ready Plasma Television Logo

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Picture warm-up Picture starts off with lines on portion of screen (sometimes half) and then warms up in 5-10 minutes. Started after about 7 years old. Would this be a plasma screen problem or a tivo problem?

Posted by gabinning on

  • CERRSC Feb 17, 2008

    I have the same problem and my Panasonic Plasma is about 7 yrs old as well. Model TH-50PHD3. It started with just a slight warm up problem which became a 10-15min warm up problem. After it warms up it function perfectly fine. I contacted the local Panaspnic service center and they wanted $250 just to look at it (assuming I bring it in) if they have to come pick it up add $150 ($400) just to get it diagnosed! I feel this is a rip-off, but feel I am between a rock and a hard place. I tried to contact Panasonic directly and they send me back to the local service centers. It appears to be a power supply issue.

  • Anonymous Jan 17, 2009

    Hello, I have the same problem as well. Mine is a Daewoo 42" Model #42SM and mine starts off with a lines all over the TV. After the warm-up period (10-15 mins) the lines go away. Any thoughts?


5 Related Answers


  • 1239 Answers

SOURCE: My 42 inch plasma has black distorted picture

its cathode ray tube problem or the colour wheel...check that both please.....
thank u,,,,,,

Posted on Mar 07, 2009


  • 9 Answers

SOURCE: Panasonic TH-42PX60U PLasma - 1/2 screen blacked out

If the screen split is exactly 50/50 top/bottom You are not getting SU or Scan Upper drive.
These are lovely set to work on.
Most likely is SU board itself - Not repairable just to be replaced.
Sorry I work in the UK so I can only guide that the UK part is around £30
SU may have been damaged by failure if the PDP (Plasma Display Panel) but is 9 years only had 2 screens damage the SU board.
There are several setups to do after fitting a PDP. If you don't have the service data - Do not risk it, Reduced life of the Panel and a safety risk.

Posted on Aug 14, 2009


  • 121 Answers

SOURCE: 50" Maxent Plasma

you need to have a licenced repair tech come look at it sounds like the inverter is going out its kinda likea ballast for florecent lights

Posted on Oct 28, 2009


  • 1779 Answers

SOURCE: plasma only showing half picture

This is beyond consumer ability to repair. Please have it looked at by a qualified electronics service company.

Posted on Nov 23, 2009


  • 5 Answers

SOURCE: Good evening I have a philips 42 plasma and as

If you care to sell the stand that goes with your tv, please email me at [email protected]


Posted on Jan 05, 2010

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