Question about Panasonic PT-53WX53 53" Rear Projection HDTV-Ready Television
Last week, the color red shifted heavily to the left side of the screen. Calling around to authorized Panasonic reapir shops, the concensus was the convergence module(s). Picked a shop and had them come on-site to repair the TV. They replaced 1 convergence module, and the TV was able to adjust convergence now. Problem is there are vertical color shifts on the extreme right of the screen, with some green and red "shadows" on images. The techs went through the convergence adjustment, but they couldn't get the "shadows" to align. It is really apparent when we put the aspect into a 4:3 mode, as you get an uneven red "shadow" on the right side of the image. It's like a double hump, aligned vertically. You also notice it when the station has a logo in the bottom right of the screen. It's like a double image, but in red. They thought it may be a deflection module, which they said would be very expensive to replace, and didn't want to do it. They told me to see if it gets worse with time, and they would see if they could find a solution as well. They replaced 1 convergence module only, and did not replace any resistors or other components. I asked about replacing the other convergence module, and was told it wasn't needed, since the blue was able to be aligned on the various cross-hairs during TV convergence. Also, I'm not really sure if they replaced the convergence module with an OEM (or equivalent) part or not. I'm not sure if the shop is capable of repairing this issue, so I may want to tackle it myself. I'm a mechanical engineer, with some electronics experience. I can do the job IF I know what's wrong. I guess I have a few questions. 1. Did the shop I used fix the proper thing, or should I have them come back out to complete the repair? 2. If it is a seperate issue, ie deflection module, is it fixable as well? 3. Is there another solutipon that I could attempt to fix the color "shadows" issue? I've been reading through the various posts here, but couldn't find anything like my issue. I did find a reference to http://servicemanuals.vstore.ca/ where I can order a service manual and parts as needed. I see they offer free on-line support. How easy is this to communicate issues? Is it a worthwhile service? Any help would be appreciated. I can provide more details if needed as well. The TV is usable now, and the picture issue is really just an inconvience, so I feel I can take some more time, research the issue, and fix it myself. Thanks, Don Just wanted to share my experience with the (apparently common) problem on my own PT-53WX53 tv. This has happened to this TV 3X's so far (once while under warranty) and this TV is only 4 years old!! The last time, I called "a friend of a friend" who "gave me a deal" at $250. This TV cost me a cool $1500 so I justified the cost of repair to not walk away from a $1500 investment so quickly. This guy who came out raved about how much more reliable these rear projection TV's are vs. LCD or Plasma TV's. This guy replaced two convergence IC's and several resistors and had the whole TV apart for about 2 hours. I tried to pay attention to what he was doing and it got real complicated real quick and required some specialty tools including a de soldering gun and an ohm meter......so I resigned myself to the fact that if this were to happen again, it will be a good excuse to pick up a nice 40" plasma I have had my eyes on for a few years. Panasonic has really disappointed me.
Both convergence amplifiers should have been replaced at the same time. If you can get your hands on a service maual, replace both of them, and go through the convergence alignment in the manual.
Posted on Jun 01, 2009
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Posted on Jan 02, 2017
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