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Panasonic 42PX25 Horizontal Position Skewed..HELP

post #1 of 27
Thread Starter 
Came back from a trip and noticed my TH-42PX25 had some issues when viewing a dvd. The Horizontal position on any 480i source was skewed to the left (i.e. the picture was shifted to the left and a part of the screen on the right was now black)

Assumed it was the DVD player, but when I changed it and used another the same issue. Move around to all the inputs and the same problem. The HDMI input is the only one which is working fine, no issues with positioning or color.

I know that their is a horizontal adjustment within the service menu, but I don't think this is the problem. My fear is that one of the boards has died.

Trying to figure out what that board might cost and how much a repair would be in New York City. I have a few calls in to service technicians, but wanted to throw it out to the board to see if anyone has any experience with this issue.

Any suggestions or tips on what I could possibly try to reset the screen on these sources and/or trusty worthy repairs specialist in NYC is much apprecaited.
post #2 of 27
Quote:
Originally Posted by Rays21 View Post

Came back from a trip and noticed my TH-42PX25 had some issues when viewing a dvd. The Horizontal position on any 480i source was skewed to the left (i.e. the picture was shifted to the left and a part of the screen on the right was now black)

Like this ???



.
post #3 of 27
Thread Starter 
Appreciate the quick response.

Very similar except the entire remaining picture would be shifted over also.
For example, in your picture the first football player would be cut off slightly to the left and about 1/5 of the right hand side is all black as indicated in your picture.

Again the HDMI picture is perfect, I have done a firmware update and unplugged the set from the wall for several hours to reset, but no luck. Any thoughts?
post #4 of 27
Something like this but with a black bar on left???

post #5 of 27
Thread Starter 
It is similar to that, except the black bar is on the right, and I wouldn't be able to see the "Extra" sign on the bottom left as that part of the picture would be off the screen
post #6 of 27
Sorry, I meant to say right.

Unfortunately this is usually caused by a defective DG Board.

My advice is to call Panasonic Plasma Concierge at 1-800-973-4390 to explain that you have an older model with a known issue and see if they can repair your plasma out-of-warranty for free.

More info on the following links:

http://www.bruzzi.ws/plasma-faq/showthread.php?t=94
http://www.avsforum.com/avs-vb/showt...hlight=shifted
http://www.avsforum.com/avs-vb/showthread.php?t=534816
http://archive2.avsforum.com/avs-vb/...ght=babysitter
post #7 of 27
Also check your Private Messages.
post #8 of 27
Quote:
Originally Posted by Rays21 View Post

Came back from a trip and noticed my TH-42PX25 had some issues when viewing a dvd. The Horizontal position on any 480i source was skewed to the left (i.e. the picture was shifted to the left and a part of the screen on the right was now black)

Assumed it was the DVD player, but when I changed it and used another the same issue. Move around to all the inputs and the same problem. The HDMI input is the only one which is working fine, no issues with positioning or color.

I know that their is a horizontal adjustment within the service menu, but I don't think this is the problem. My fear is that one of the boards has died.

Trying to figure out what that board might cost and how much a repair would be in New York City. I have a few calls in to service technicians, but wanted to throw it out to the board to see if anyone has any experience with this issue.

Any suggestions or tips on what I could possibly try to reset the screen on these sources and/or trusty worthy repairs specialist in NYC is much apprecaited.

I have TH-42PX25 factory service manual maybe helpful to you - it has hundreds of pages on how to enter service mode on plasma, how to adjust pretty much everything, block diagram, schematic diagram, troubleshooting tips, etc. don't have the time to go through it now.

I got hundreds of Panasonic, Pioneer, LG, Zenith plasma TV factory service manuals in an auction, and some LCD service manuals, and some NEC, Samsung, Toshiba, Hitachi, Daewoo plasma tv factory service manuals. Reading some of those really helped me learning how plasma works - for example, how pixels get the brightness info and how they light up, was the brightness controled by width of pulse, or by voltage, etc....
post #9 of 27
Thread Starter 
Well, great news....ended up buying the Test piece and it actually fixed the problem on the first try. Many thanks to BruZZi for all the help and crabbon for the notes on how to use the test jig. If anyone is in need of the test jig please drop me a PM and I would be happy to send along to help others out. Once again, thanks to everyone on the board for all your help.
post #10 of 27
Quote:
Originally Posted by Rays21 View Post

Well, great news....ended up buying the Test piece and it actually fixed the problem on the first try. Many thanks to BruZZi for all the help and crabbon for the notes on how to use the test jig. If anyone is in need of the test jig please drop me a PM and I would be happy to send along to help others out. Once again, thanks to everyone on the board for all your help.

That's GREAT NEWS indeed Rays21. I thought it could be only fixed by changing the DG Board.

I'm happy for you.
post #11 of 27
Quote:
Originally Posted by Rays21 View Post

Well, great news....ended up buying the Test piece and it actually fixed the problem on the first try. Many thanks to BruZZi for all the help and crabbon for the notes on how to use the test jig. If anyone is in need of the test jig please drop me a PM and I would be happy to send along to help others out. Once again, thanks to everyone on the board for all your help.

What is this "test jig" thingy and what does it do?
post #12 of 27
Quote:
Originally Posted by Rays21 View Post

Well, great news....ended up buying the Test piece and it actually fixed the problem on the first try. Many thanks to BruZZi for all the help and crabbon for the notes on how to use the test jig. If anyone is in need of the test jig please drop me a PM and I would be happy to send along to help others out. Once again, thanks to everyone on the board for all your help.


Im having the same prolem as the rest of you, Does anyone know where i can get this test jig at and how to use it?
post #13 of 27
Quote:
Originally Posted by RandyWalters View Post

What is this "test jig" thingy and what does it do?

It's basically a firmware update.
post #14 of 27
Quote:
Originally Posted by jwillj2k6 View Post

Im having the same prolem as the rest of you, Does anyone know where i can get this test jig at and how to use it?


Which Panasonic Model do you have???

You might try PM Rays21 to see if he can send you the fix.

You can get more info here:

http://www.bruzzi.ws/plasma-faq/show...65&postcount=2
post #15 of 27
thank you for the quick response,
i have the TH-37PD25UP model
post #16 of 27
thanks to the info on this site, i finally fixed my tv! i ordered the test jig from panasonic, when i got it it took me about 3 min to go through the steps. once it was done my tv looked good as new!! thanks!!
post #17 of 27
Glad to hear that the JIG is working for others as well.

I'm just thankful for this Forum... that we can all help each other with these "simple" solutions that could easily cost us hundreds had it not been for this forum.
post #18 of 27
Hi guys,
I am not an AV type person, but I do love my tv. I have the TH-37PD25UP and the picture is skewed. I had done some research and found online that is needed a firmware upgrade but none of the Panasonic dealers I called were familiar with the issue. How do I get my hands on one of these jigs? Do you have to be a dealer or repair shop to get one? I am in the NYC area and would appreciate any guidance. I am reluctant to pay hundreds for diagnostics when I know what is wrong and have little confidence in the repair shops I have spoken to. Thanks in advance.....
post #19 of 27
Quote:
Originally Posted by mlada View Post

Hi guys,
I am not an AV type person, but I do love my tv. I have the TH-37PD25UP and the picture is skewed. I had done some research and found online that is needed a firmware upgrade but none of the Panasonic dealers I called were familiar with the issue. How do I get my hands on one of these jigs? Do you have to be a dealer or repair shop to get one? I am in the NYC area and would appreciate any guidance. I am reluctant to pay hundreds for diagnostics when I know what is wrong and have little confidence in the repair shops I have spoken to. Thanks in advance.....




Info here #4:

http://www.bruzziforum.com/vbf/showthread.php?t=20


Or check the last posts in the following link:

http://www.avsforum.com/avs-vb/showthread.php?t=534816

.
post #20 of 27
Can anybody help me on this. Read through - seems like some of you have had a similar problem and fixed it by doing a firmware update. Would help if any of you can direct me where i can buy this? Checked with Panasonic - with not much of help..
post #21 of 27
Can you help me with the test gig - where and how i can get that?
post #22 of 27
The part number on the one i bought from panny is TNPX25jig. It cost me $38 and has been a real lifesaver as I have 94 of these tv's @Jacksonville municipal stadium.
post #23 of 27
does anyone still have a test jig theyd be willing to sell? i have a th-42px25 thats doin the same thing and the test jig is out of production/
post #24 of 27
Quote:
Originally Posted by brdenn18 View Post

does anyone still have a test jig theyd be willing to sell? i have a th-42px25 thats doin the same thing and the test jig is out of production/

There is one apparently available for rent. See this thread.
post #25 of 27
thank you! i sent them a message and hopefully they get back to me. in the mean time if you think of anyone else who could have one let me know incase they dont have theirs anymore. thanx again!
post #26 of 27
Hey. Is there anyone out there that is willing to copy their working firmware to my test jig? I got the jig and accidentally copied the bad firmware to the jig instead the other way around. Model on my tv is th-42px25. I will ship jig to ur house and include cash to ship back?
post #27 of 27
Did you ever get someone to help you with this jig issue? Do you still have the jig? I need to find one as my TH-42PD25U started acted up. Thanks.
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