Question about RCA P52937 52" Rear Projection Television
I have a RCA P52937SG that is having a convergence problem (from what I have read online). All edges are bowed in, and I cannot align red/green/blue. In the menu selection for "green centering", the green line is at the bottom of the screen and curved (due to the bowing).
I live in a rural area and am looking at having to pay well above standard rates to get this repaired (due to the distance from repair shops). I have found instructions on the web to do this yourself for other models, but not mine. I believe I can do this myself with proper instructions, as I have been a computer technician for many years.
Can anyone help me become a TV tech as well by giving some instructions? I have already had the TV apart once, but really just to take a look around and see if I could find any obvious problems!
Convergence amp ic bad
Posted on Jan 29, 2008
SOURCE: big screen tv
Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.
This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.
Common Symptoms include....
Here is a quick test....
Using your original remote go-to the settings menu then goto the convergence section.
Try to adjust the red and then the blue convergence.
You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.
If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.
Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix
You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.
Posted on Jun 06, 2010
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