Question about Akai PT5598HD 55" Rear Projection HDTV-Ready Television

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I replaced the convergence board and ICs, but picture stil bowtie

I replaced the convergence board and ic's, but the picture is still bowtie.

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Did you go into the convergence menu and allign the colors? Here's the link where i fixed mine... it's got the remote control button layout to adjust everything.

Posted on Jun 27, 2009

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Posted on Jan 02, 2017

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Focus Error I am getting double picture and the colors are off. When trying to auto focus the blue lines are wavy.


Replace Convergence ICs ,Big black ICs will have PN# on them example STK 392-110
Mats has ICs 1-800-628-1118

Jun 05, 2011 | Toshiba 42H82 42" Rear Projection...

2 Answers

My Zenith tv picture on the screen looks like a bowtie red green and blue are seperated on screen


The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board,must be replaced to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

Nov 24, 2010 | RCA D52W23 52" HDTV CRT TV

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I'm getting a bowtie effect with the picture and the colors are sepperating


Ur tv have a problems,known as Convergence problems.This problems very common on all DLP tvs.Ur tv convergence board must have be replaced 2 STK convergence ICS,some or all it resistors.U know basic soldering,have tools,soldering iron,solders?Tries Websites like TvrepairWord.com,TvrepairKits.com to buy a covergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

Jun 01, 2010 | RCA P52937 52" Rear Projection Television

1 Answer

Rear Projection - Color convergence/bowtie effect


Hi


Thanks for using FixYa. From what you have described it seems that you have to replace the convergence IC and also check the power resistor, if values are not exact you have to replace them. These ICs are located behind the black heat sink; you can see once you open the back off the TV. Also, the convergence board should be checked for cracked solder joints and please make sure to check the resistors as if they are shot the ICs might blow again. All this is only recommended if you have electrical expertise and know how to solder/re-solder components, if not then you should get this done by a professional. The typical cost to get this fixed by a pro is around $250-$300. Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Apr 04, 2010 | RCA HD56W66 56" HDTV

1 Answer

Picture appears to be in 3-d


If convergence out ICs got defective, TV shows 3D look picture.
Replace convergence out ICs on D Board, these are two big black ICs with similar number mounted on aluminum heat sink, if you are good ij soldering parts in circuit board, then can replace it easily or call local TV tech for replacement.
Let me know further question, if any.
Thanks.

Nov 14, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Cannot adjust horizontal blue convergence on WS 55857


You still have bad grounds on the ICs. Or maybe the solder has fused another pin. If not bad grounds on the ICs you have missed them elsewhere...Really concentrate and look for these bad grounds and check your caps with a cap check. And power resistors too!!!!!

Sep 16, 2009 | Mitsubishi WS-55857 55" Rear Projection...

1 Answer

3d image/sinking effect


This is a convergence problem. Ther are either bad connections at the convergence ICs or the ICs are defective. If you can solder, you can repair this yourself. Try resoldering the pins on the ICs first. If that fails to resolve the problem, replace the ICs. These ICs are large, black and attached to a heat sink. They should be marked STKxxx. Figure on $20 for each one. There will be 2 of them.
Keep us posted.
Dan

Jun 02, 2008 | RCA D52W19 52" Rear Projection Television

2 Answers

Samsung model#PCN5425RX/XAA, picture looks like a 3d movie without the glasses. I can replace the board myself but want to make sure I order the right one. The board I think I need is part#...


Save yourself some money. The typical parts are the convergence ICs. Replacing the ICs will retain the particular adjustment values for your set and avoid a complete convergence adjustment. Look for the large black ICs on the board. They should be STKxxx. Try resoldering the pins first. If that fails to resolve the problem, replace the ICs being sure to use plenty of heatsink compound between the ICs and the heatsink.
Keep us posted.
Dan

May 12, 2008 | Televison & Video

2 Answers

Arched or bowtie effect


You have bad convergence Ics they are mitsubishi part # 267P150010 Generic part is STK 392-570 and they are at locations Ic8c01 and Ic8co2 on the deflection board. If you can solder you can take these out replace them and fix your problem for about 100 dollars. Best of luck

Josh

Feb 08, 2008 | Mitsubishi WS-65819 TV

2 Answers

Is this a calibration, convergence, or lens focusing issue?


Did you Change out the Ground Resistors,220 Ohm,3.3Ohm Even if they look Good Change Them

Jul 20, 2007 | Mitsubishi WS-65869 65" Rear Projection...

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