I have an RCA 91636 61" Projection TV that has a convergence problem. Quite a few months ago, we heard a snap and the TV shut off. It came right back on when we hit the power button, but it is bowed in on the top, bottom and sides. We can't adjust the green convergence, but have adjusted the Red and Blue so it doesn't look 3D, but there are no straight lines on it.
I'm capable of performing board swaps, etc, but haven't seen any references to what to change. Can you help?
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Re: RCA Projection TV Alignment
You would have to swap out the convergence board itself and you would need to order the part either from a delaer or through a tv repair shop.all you have to give them is the make and model of the tv and they will tell you what you need from there as far as which board etc
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Normally on the RCA rear projection TV's you would bring up your menu and choose the Setup menu, then press OK on the remote. That menu would then have Convergence as a choice. Once that was chosen the next menu would give you the choice of either letting the TV run it's own Autoconvergence program, or you would select either Red or Blue convergence.
Choosing Red Convergence would bring up a Yellow cross-hair in the middle of the screen. If the Convergence was not correct you would see separate Green and Red cross-hairs. Once they were perfectly aligned you would again see one Yellow cross-hair.
Choosing Blue Convergence would bring up a Blue cross-hair in the center of the screen. If the alignment was out you would see 2 Blue cross-hairs. Using the Up and Down and Left and Right cursor keys you would adjust the alignment until a single solid Blue cross-hair was in the center of the screen.
The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board must have replace the 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.
projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.
Common Problem #1) Convergence has gone out
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 projection 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....
Screen looks 3D
Colors don't line up
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed or warped.
TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.
Common Problem #2) CRT Fluid is Cloudy
Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.
This is a 52" RCA DLP projection tv correct?Yes,than a problems,u have is known as a convergence problems,it dead.The colors lines R,G,B mis alignment,have colors shadow pictures or 3D pictures.The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved convergence problems.The shop,will cost u $300-350 for parts and labors.
The HD61LPW42 is a RCA DLP which doesnt have convergence. If the convergence is out of alignment you have a three CRT TV such as the D52W19, HD52W59 RCA Check the model number from the rear tag and let me know what the model number is.
you dont need new CRTs (tubes) you need either the convergence Board or the convergence power supply board depending on the symptoms. If its only one color that is out of alignment its most likely the convergence board. If all the colors are out of alignment you need the convergence power supply board. you can get whichever one you need at the following link as they have both of those circuit boards and have free shipping. Heres the link, http://servicemanuals.vstore.ca/