Question about RCA HD52W59 HDTV Projection Television

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Images: three colors appears separates in the screen: red, green, blue

Three images separates appears onto the screen, image onto image, What can I do?

RCA TV Model R52WH74 proyection television
thanks
arturo

please send my mail jr-jimmy@hotmail.com

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Do they look like these:
· http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
· http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

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1 Answer

The screen is green and the tint option in the menu cannot be adjusted.


This symptom usually indicates CRT failure. Projection TV's, especially older types use 3 CRT "guns" to project the image on the screen. One is Cyan or Red, one is Green and one is Blue. If the Red and Blue become weak or do not project, the Green gun overpowers the output of the other two. These three "guns" are aligned exactly on top of each other so when all three are correctly functioning, the correct colors are projected on the screen.

Oct 04, 2015 | Televison & Video

1 Answer

I have a RCA 52inch hdtv that has three color lines red green and blue at the top of the screen together and then they separate. It turns itself on and off. And the images on the screen appears to be three...


Go to Menu then setup ,Do you see Convergence, If not then you have a Blowed Fuse on the Deflection Board FL231. Deflection board will be the bottom lefthand side with FBT flyback transfomer on it and on the right hand side of FBT is 3 Fuses in a roll but they do not look like Fuses they will be small rectrangler looking caps but are Fuses it will be the one in the Middle. .06amps. If you have anymore question let me know . Thank You

Jun 27, 2011 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

No colour in bottom right corner


I believ you have an issue with the optical block on your set. Light produced by a high-intensity projection lamp enters the optical block and is split into three paths (one each for red, green, and blue) by a series of lenses, condensers, mirrors, filters, and/or beam splitters. Each color has an LCD assembly with polarizing filters and a liquid crystal microdisplay panel (approximately 1" across). On Sony's "3LCD" models, the light is transmitted through each LCD panel, and, on their "SXRD" (Silicon X-tal Reflective Display) models, the light is reflected off each SXRD panel. Finally, the three separately colored images are combined with a special prism into the final full-color image, which is then projected/enlarged onto the back of the screen by a projection lens.
The following annotated photo shows various parts on the optical block of a 2004 3LCD model KDF-55WF655 (note that the LCD panel cover has been removed):
dcramer531_82.jpg3
Either the block is starting to wear out or you have something blocking the lens, such a dirt or something has fallen and is blocking the lens

Feb 20, 2011 | Sony Grand WEGA KDF-60WF655 60" Rear...

1 Answer

Tv out of foucs


These procedures are from the owners manual, go into menu and then picture quality and then: Convergence The Convergence feature lets you adjust the TV’s three tubes. When the TV tubes’ images are precisely aligned, they create the color images you see on the screen. Over time, the picture can drift out of alignment (this is normal). If your picture seems fuzzy or has a yellow tint, using Convergence could correct this misalignment. Only one convergence is needed for all inputs, regardless of the signal format. Note: Make sure the TV has been on for at least 30 minutes (TV needs to warm up for best results) before starting Auto Converge or Red/Blue Centering. When you select the Convergence feature, a submenu appears with three options: Auto Converge Automatically aligns the projection lenses to self-correct color images. You’ll see flashing squares of color dance across the screen (this is normal). Note: After performing auto convergence, use the Blue Centering and Red Centering menus to fine tune convergence in the center of the screen, if necessary. Blue Centering Aligns the blue and green images to fine-tune the picture. Red Centering Aligns the red and green images to fine-tune the picture. Note: The ability to change channels is disabled when adjusting the convergence options. The TV must be tuned to a usable signal to converge the picture.

Apr 23, 2010 | RCA HD52W58 52" TV

1 Answer

I am getting a double image on my 48 inch television how can i get rid of it? it is showing colors green and red on double image


Assuming that your TV is a rear-projection TV, then it sounds like the separate red, green & blue tubes aren't set correctly.

Each tube needs to be alligned exactly to produce the image on the screen. If any of the 3 are mis-alligned then the effect you describe is caused.

Somewhere in the menu settings, will be an option to set the Convergence. This option will allow you to set the allignment of all three tubes.

Older sets do not have this option, and need to be adjusted via controls on the main PCB.

Apr 22, 2009 | Televison & Video

1 Answer

What is Convergence IC's?


Tube-type projection TVs have separate picture tubes (CRT) for red, green and blue. Convergence is the process of getting the images from the three CRTs to line up properly so you see the correct colors on the screen. The convergence output integrated circuits (ICs) are the electronic devices which make this happen.

Mar 23, 2009 | RCA P52920BL 52" Rear Projection...

1 Answer

Works but prdominantly green, can't ajust with color controls


The lcd polerizer(not sure this is proper name ) is bad.It has three: red,green,blue and one of them is bad. I also have a similar issue but only on the left side. Took it apart and found the bad one.

Mar 07, 2009 | Sharp Notevision XG-NV6XU Multimedia...

2 Answers

Double Image Red and Green


Here are some of the most common symptoms and example photos of a convergence problem

  • 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.
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Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.


2c07611.pngSolution


You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.

Feb 08, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Projection lights


You need to take the Toshiba remote that came with the machine and go into a menu area that deals with convergence. Here's what the manual says:

This TV used 3 separate TV tubes, red, green, and blue. The R, G, and B images are pojected onto the screen wheree they converge to form a full-color picture. You can see a clear picture only when the three images converge correctly. Corvergence my drift over time, or if yo move the TV. I you can see clear images on your TV screen skip this procedure.

Make this adjustment only after the TV as been on for at least 30 minutes.

Press the TOUCH FOCUS (auto convergence) button on the front of the TV at the bottom.
The TV will enter into the convergence mode and adjust the converge automatically (that's what it says.)

TO ADJUST IT MANUALLY:

Press MENU, and the press < or > until the PICTURE menu appears.
Then press UP or DOWN to highlight CONVERGENCE.
Press < or > to display the Center Convergence menu

There's a lot more the book says, but, I can say from experience that you just go through the different sub areas of this menu and converge each color separately, and bingo, it's fixed.

Good luck.

Sep 06, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

PLEASE HELP (Three Ghost Images)


You will need to have or change the convergence correction driver IC's. There are two of them in this TV set. Not a fix for a novice I'm afraid. If you have no solid state repair experience, play it safe and call out a pro to assist you in this repair.

Jul 12, 2007 | Pioneer PRO-510HD 53" Rear Projection...

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