Question about Planar PDP-42BK 42 in. Plasma HDTV

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Planar PD42ED Plasma TV - Problem with Picture

The picture on my TV is messed up. A technician did some diagnostic tests and told me the problem is with the X-Main Circuit board. He says that it controls the X vertex and that it needs to be changed. Planar no longer sells parts for this unit. The part number is 50503911006. What are my options?

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Email this guy @, he has planar parts to sell.

Posted on Jul 28, 2008


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SOURCE: Planar PD42ED Plasma TV - Problem with Picture

Check on ebay

Posted on Oct 31, 2008

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Planar PD42ED Plasma TV - Problems with Picture


Offhand and initially, a possible source of part(s) is here. Am not sure how current though the posting is. Pls give it a try.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 19, 2008 | Planar PDP-42BK 42 in. Plasma HDTV

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Planar PDP-42BK 42" Green Light just Flashes no picture. I am having the same issue. TV worked great yesterday than today I get a flashing green ligh and no picture.

remove all the connection and try to fit somewhere else. the socket which is directly connected to the wall.or then it could be the tube problem inside call some service technician.hope this will help you.

Jun 06, 2008 | Planar PDP-42BK 42 in. Plasma HDTV

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Planar PDP42BK no picture

Check the 15v line that runs through all the boards, left, right and top.. If that has no power, then look on the ysus board (left one) there is a flyback reg (5pin) standard to-220 case surrouded by caps, it does dc to ac conversion, if you dont have the 15v output then the chip is bad. I just did 2 of these that had the same problem.

Oct 27, 2008 | Planar PDP-42BK 42 in. Plasma HDTV

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PD42ED Plasma TV Problem

Hi again,

Appreciate the update. Keeping my fingers crossed for you.


Jul 19, 2008 | Planar PDP-42BK 42 in. Plasma HDTV

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Planar Plasma TV Set Problem - Picture is Messed Up

I also have an older Planar model. My power supply has failed and as such the unit does not work. If you find someone who sells these parts, please let me know.

Jul 19, 2008 | Televison & Video

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Problem with Planar PD42ED Plasma TV - Picture is messed up

Email this guy @, he has planar parts to sell.

Jul 19, 2008 | Planar PDP-42BK 42 in. Plasma HDTV

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PDP-42BK Black vertical lines

Comment by stanpok, posted on Aug 07, 2008I had problems with my Planar PD42ED Plasma TV. The picture was messed up. As Planar was not a popular brand, there was a reluctance by most repair shops and technicians to look at my TV. I called Planar and tried to get some help from their technical support folks. I was told by a Planar rep that they no longer carried my type of TV because the company that manufactured it for them had gone out of business. They also no longer carried replacement parts. But they were nice enough to send me the Service manual which also included circuit diagrams.

I had the TV looked at by a repair shop authorized by the major brands to service their products. After doing their diagnostic tests, I was told the problem was caused by a defective X-Main board. They said they couldn't get a replacement board and as a result, were unable to fix it. I told the clerk who called me to give me the number of the part that had to be replaced. He gave me the incorrect part number which sent me off on a wild goose chase. I found it strange that I could even find a used part. So I went to the repair shop and had them show me the defective board. I wrote down the part number I read off the board. At that point I realized the part number he had given me was wrong.

After I got home I went online and googled the part number and found it. I ordered the part from and received it in about a week. At that point I was going to switch it out myself and save $100 in installation fees but changed my mind in case the replacement part was defective. That was a good move because after the technician installed it, there were problems. He ended up have to make adjustments to some voltage settings somewhere else in the TV to get it working properly.

This whole experience has taught me a few things:

- Not all technicians know how to repair Plasma and LCD TVs. For Plasma and LCD TVs, it seems that a place authorized by the major vendors will have technicians with the experience and training to do the job properly.

- The part list included in the service manual may not always show the correct part numbers. This is because there could be different configurations of the panel and the panel in your TV can have another configuration not specified in the Service Manual. If replacing a part, always use the part number found on the actual part to be replaced in the TV.

- You may wish to validate the part number provided by the repair shop. Although the technicians really seem to know what they are doing, the clerk who called me to tell me what the problem was, gave me the wrong part number. He also told me to scrap the TV because parts were no longer available. If I had followed his suggestion, I would not have my TV today.

If your TV continues to give you problems, I'd suggest contacting Planar and getting the Service Manual for your TV. The problem you are having with the set may be described in it along with a possible solution. Unless you have the technical skills and knowledge necessary to do proper diagnostic testing, bring your TV to a reputable repair shop. I contacted the folks at LG and they gave me names of some of the repair places near my home. If you endup need to replace a part, go to a site like and see if somebody is selling it.

Good luck!

Jun 08, 2008 | Planar PDP-42BK 42 in. Plasma HDTV

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