Question about Mitsubishi WT-46809 46" Rear Projection Television

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Convergence Amplifyer I had occasional times when blue and yellow lines would pop up along faces sometime across the tops of heads and words would look slanted and blue and yellow. Then it would go away, when I would plug and unplug the TV Now it is there to stay. Would it be better to just buy a new TV, or spend $800 or $900 to have it repaired? It is a 9 year old Mits rear projector. Please advise me. Thank you

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  • grannyglow Sep 23, 2008

    Yes, this is a 2000 56 inch rear projector...Thanks I'll get the book out.

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1 Answer

In the manual are instructions for doing convergence. They are pages 46 and 47. It's worth a try because you can always go back and do a factory reset. It's easy once you try and kind of like a video game. Do you have the manual?

Posted on Sep 23, 2008

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Out of nowhere- The top half of the screen has the green coming down in swervy, double lines. Words are doubled and tripled. As well as, peoples heads and faces, etc. Is this fixable or time to say...


It sounds like a convergence failure. Often replacing the two Convergence ICs and the 6 associated resistors will repair that issue. You can get the convergence repair kits which contain the parts and the CD with instructions from www.tvrepairworld.com

Jul 21, 2011 | Hitachi Director's Series 57XWX20B 57"...

2 Answers

Green hazy upside down arch of color across the screen


Your convergence board is in need of reworking on a component level or replacing the board! And you will most undoubtedly need to resolder the vertical IC and all ICs mounted on heatsinks on the power supply board. This TV is showing its age. You may choose to repair and that may last a year more or so! Good Luck and thank you for asking!

Jun 20, 2010 | Mitsubishi VS-50605 50" Rear Projection...

1 Answer

Letters and numbers are 3d and curved picture


Hello

red, green, and blue lines curve across the top of tv is cause by defective convergence STK IC or you have open resistor at convergence section. if you have defective RGB Color vertical ramp probably you have defective STK IC..

Angel
Thanks...

Aug 02, 2009 | RCA D52W23 52" HDTV CRT TV

1 Answer

Sometimes after the my TV is one for 20 mins or so the screen warps, shooting white/pink/green lights across the top and bottom of the screen and placing a horizontal black line at the bottom like hal


Your TV most likely has a problem in the convergence circuits. ( common problem )

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.
Here are some photos of convergence problems.

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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.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

May 19, 2009 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

Color is mostly yellow and blue with double images


you have lost the convergence IC`s in your set, this really isn`t a diy repair unless you are very proficient in un-soldering and re-soldering components, once replaced there will be an alignment procedure as well that will require the service manual also, if you have more questions feel free to ask away, video-tek

Feb 04, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

A wavy line with 3 colors


this a convergence problem and the convergence IC's will need replacing along with some testing of resistors and or replacement
to have a technician come out to do this repair will cost about $300 - $350 to get this fixed

Dec 12, 2008 | RCA HD52W59 HDTV Projection Television

2 Answers

Red color not lined up


You can try making adjustments to the convergence in the user menu. If they still will not line up you will need to have the convergence ICs replaces along with a few resistors in the convergence circuit. Fairly common in many rear projection TVs.

Sep 11, 2008 | Hitachi 57F500 57" Rear Projection...

1 Answer

Hatachi 53uwx10a picture out of focas /words are also double and a yellow line about 10 inches thick sloops down from the top along the top of the tv


i replaced the ic's on the video convergence board ,wasnt hard . they were STK392-110 amplifiers , they had no heat sink paste on them ! everything else checked out fine

Jun 29, 2008 | Projection Televisions

2 Answers

Hitachi Ultravision Digital TV Model 57SWX20B


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=

good luck
please mark the post with a fixya

Feb 08, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

PICTURE


Sounds like there is a problem in the convergence circuit. There should be an on board cross hatch and controls to adjust the lines to a white line. If these control wont adjust then the power ICs in the convergence circuit are most likly bad. if you know how to solder and know how to replace electronic parts then get a service manual find the part #s and order the parts . If you dont know how I can teach you here sorry. But I will tell you that a repair like this will run about 300 to 400 bucks to repair. Good Luck

Jun 04, 2006 | JVC AV-56WP30 56" Rear Projection...

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