Question about Apex Digital GB55HD09W 55" Rear Projection Television

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Convergence issue Having problems with the red convergence. the tv will run fine for up to 1/2 hour but then the red will be misaligned and you cannot re-line them up. sometimes if you hit the side of the tv it will line back up for awhile or if you turn off the tv for an hour it will be fine again for a bit. Any suggestion on issue and how to fix. Thanks for your help, David

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  • Anonymous Mar 02, 2009

    picture and color convergence issue. Need help with alignment. Thanks

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Replace both convergence ICs number STK392-020 you can get replacements at the following link and they provide free instructions woth pictures so you can do the repair yourself.
http://servicemanuals.vstore.ca/

Posted on May 15, 2008

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1 Answer

9 year old TV...red shadowing. Is a bulb out?


No,this tv don't have a projection bulb inside,it used CRTS tubes like R,G,B guns technology.The tv problems u are having it is call convergence problems,it is dead.The tv convergence board it dead or dying that why tv have R,G,B colors lines misalignments,have colors shadows picture or have 3D pictures look alike.The tv convergence board must require changes like 2 STK convergence ICS and some or all of it resistors too.To fix the tv convergence board to solved the tv picture convergence problems.The tvs Shops will cost u like $300-350 for parts and labors.

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Replace both of your STK ICs STK392-110s use 150s Mats has Them 1-800-628-1118

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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.

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1 Answer

Magnavox 51mp3964H/17


You need to replace Both of your STK convergence ICs they are big black ICs will have part number on them STK392-110 ,ect if you can solder you can fix it your self ,TV repair shop m/b 300.00 also you will need Service Code to be able to enter into TECH alinement mode .Call Mats Electronics for parts 1-800-628-1118

Aug 18, 2009 | Philips Televison & Video

1 Answer

How do i start auto convergence


Press your MENU button on the remote. Move to SETUP and press OK. Then choose Convergence. You should wait until your TV has been on for at least 1 hour before you run the auto convergence. Once the auto convergence has run, you can do your own fine tuning. There will be separate adjustments for Red convergence and Blue convergence. You will use the arrow keys to line up two sets of lines. The instructions will show up on the screen. Good luck, and I hope this takes care of your issue.

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2 Answers

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Replace both STK392-110 Convergence IC's with Toshiba or Sanyo quality................No cheap IC's !!!......................T.

Aug 16, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

CONVERGENCE PROBLEM IN TOSHIBA 43H70


Replace both STK392-110 convergence IC's with Toshiba or Sanyo brand........no cheap junk IC's !!!.................T.

Aug 16, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

Zenith R49W36 Rear Projection TV Convergence IC problem


Had the same problem with my Zenith TV. Convergence was all out of whack. I purchased a repair Kit from www.TvRepairKits.com. The kit had all the parts and simple step by step photos of the repair. I cant thank them enough for making this possible . At first the repair did not work so I emailed them and within an hour they told me to check two other items. Sure enough they were right! The set is now working perfectly.
Thanks Guys, I will spread the word.
Louis

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1 Answer

Magnavox 51mp392h


replace the convergence ICs STK392-120 you will need both of them also check the 6.8 ohm resistors right next to the ICs as often 1 or 2 of them burn open. You should be able to notice the discoloration in the center of the resistors.

Mar 11, 2008 | Philips 60PP9202 60" Rear Projection...

2 Answers

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If you cannot converge the red and blue back to the green through the convergence menu, Then you have worn out convergence ICs you will need 2 of them at about 10.00 each. Takes about an hour to remove the old and replace with new ones, but also check the resistors right next to the ICs usually 1 or 2 of these burn out with the ICs. Let me know if you need more information.

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