Question about Toshiba 53H71 53 in. Rear Projection Television

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Toshiba 53H71 rear-projection - Convergence fails

Toshiba 53H71 rear-projection - The RED is bowed at the top and the bottom of the screen. When I try to do the manual convergence, I can move the blue and green up/down/left/right - but, the red will only move left/right, will not move up/down.

Does this sound like a common problem? If so, what could it be, and what range of $$ am I looking at to repair this? Is it worth it for this brand/model?

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Replace the convergence ics.

Posted on Dec 05, 2009

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1 Answer

Center bow on picture top and bottom with 1" black showing


Projection TV2_bing.gif sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - TV2_bing.gif makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 06, 2010 | Toshiba TN55X81 55" Rear Projection...

3 Answers

Suddenly double/triple images, bowed red at the bottom


Yes, the convergence IC's need to be replaced. If you are not experienced in TV repair, I would recommend getting a qualified repair man to do it for you.

Here is a link with instructions on how to do this, if you feel adventurous:
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Should you find this info useful, kindly take a moment to "Accept" it. Thanks.

Jul 05, 2008 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

Blue color is off and bowed at bottom


Needs the 2 convergence amplifiers replaced and then convergence alignment carried out(Could be pricy)

Dec 04, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Toshiba rear projection 42h81 convergence problem


In that case the convergence Ic's are defective or "leaking" they must be replaced. these are the TDA's

Jul 09, 2009 | Toshiba 53H71 53 in. Rear Projection...

2 Answers

Bowed in at top and bottom and colors are separated


You have a convergence issue. First question in customer menu under setup do you have the convergence optioin? IF you DO NOT then chances are you have the fl231 problem. check under my profile in the tips and trick section. IF you do have the option try autoconvergence. if this fails(goes red screen then you might have a convergence power supply problem.

Nov 04, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

Red bow on top and bottom of 61dx01b


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....
  • 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 photos of convergence problems.

42d3683.jpg

7859b01.jpg

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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

69189a5.pngCONVERGENCE SOLUTION

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.

May 21, 2008 | Samsung PCL5415RB 54" Rear Projection...

1 Answer

Toshiba tos-50h81 convergence issue


you have this in your menu. but your menu will not adjust and fix your problem. if all three colors are bowed in at top and bottom...red green and blue... then you need to change all convergance ic's and check fuses. also there might be some solder in fuses hiding on the board. Need to also check all fuses around conv ic's and around conv yoke plugs.
good luck.

Apr 10, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Multiple images on right side of screen


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

convergance amp ic bad

Dec 23, 2007 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

The words on the screen is doubled or trippled.


Go to the picture control menu and turn the color to minumum so that you are watching a black & white picture. Do this to determine if the color offset affects the overall screen or just the lower corner. If the center is off, go to the convergence adjustment menu and align the red and blue onto the green as described in the owners manual. Some models also allow you to align the outer edges as well. If the bottom is still bad you may have a problem in the convergence circuit. If the outlines are not seriously bowed or distorted a minor convergence toutchup by a qualified technician should correct the problem, otherwise parts are involved and the repair is considered major.

Nov 21, 2007 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

Bowing image top and bottom of screem


No im sorry there is nothing to do but replaceing the convergence IC

Oct 30, 2006 | Toshiba 55H70 55" Rear Projection...

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