Question about Apex Digital GB51HD09 51" Rear Projection Television

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After the thunderstorm...

What is the "convergence amplifer output ic's"? "the remote is not the problem. the convergence is the problem. You need to replaced the convergence amplifer output ic's. or take it to a repair shop."

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  • ralphwayne Mar 15, 2008

    ... but, just to clarify, I know the remote isn't the problem, but I was thinking the remote might allow us to adjust the convergence with the on-screen menu.

  • Anonymous Mar 18, 2008

    I have a problem samething but is shows like a fish bowl but can not adjust at all I have all ready swap out the IC's STK392-020 and still the same so I know for a fact the IC's are good what can I look for after that thanks

  • laterdaze Jun 02, 2008

    where do i find a convergence output for my apex ?

    Doug

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These are amplifer ic's that drive your convergence yokes. this is not something that a consumer can do.

Posted on Mar 15, 2008

  • Randy Sheppard Mar 15, 2008

    The way you know if the remote is working is to go into the menu again to adjust the convergence and adjust both the red and the blue. Try this in all parts of the screen (if the tv will allow you to) and you will find out that you can adjust somethings but not all of the points on the screen. the one that you can not adjust is the problem ic. If the problem is with the green convergence, do not do anything. Green is NOT for consumers, it is only for techs, and is adjusted in a different menu that only techs can get to.

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Convergance problem on lower half of screen.smeared red and orange double vision,but only on bottom ofscreen.top appears out of focus,but not double visioned.


Howdy,

The TV has a convergence problem; the IC’s for that circuit will need to be replaced. The part(below) Number is from Toshiba, they provide good advice on replacement parts. Make sure what type of IC's your TV uses first. The cost for this repair runs around $450.00 or more.

Replace the defective Convergence Output IC Part Number
23905094 (STK392-110) using the revised “T” version IC Part Number
23135090 (STK392-110T). When Convergence Output failure is
detected, it’s recommended that both IC’s be changed to the “T” type IC
version. Inspect the Convergence Output IC’s for the “T” type version as
shown in Figure 2. Replace the Convergence Output IC’s using the “T”
type version Part Number 23135090 (STK392-110T).

I hope this information allows you to resolve this issue.
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If you need further assistance please comment to this post and I will try to help you further.


Thanks for choosing FixYA, Big Irish.

Nov 23, 2009 | Projection Televisions

3 Answers

60"marantz /philips rear projection.new ICs not working.


try to stick to original part number if possible Pioneer uses this on the PRO-530 / PRO730 models . MCMELECTRONICS has the originals as STK392180 .Also you might want to check capacitors near those ICS for leakage .When these go out they will affect amplification from IC given you not enough adj room .

Dec 07, 2007 | Projection Televisions

1 Answer

The Screen looks 3D & Colors don't line up on my big screen????


If the convergence is off more than 1/2 inch or so you can't adjust. you have a failure of hardware. most likely the output IC. This set has 2 outputs for convergence. Each output contains 3 circuits, Six circuits altogether 2 red ,2 blue and 2 green. The normal customer adjustment will only alow adjustment of blue and red. They should be converged onto the green. There is a much more complex adjustment in the service mode for Geometry and convergence. These adjustments are only needed when you replace a failed componnent like the output ic. These ICs have been upgraded several times since the production of this set. The latest and most powerfull version is STK394-160. If feel up to it I suggest changing both outputs and the corresponding output resistors. Then do a complete geometry and convergence alignment.

Apr 16, 2009 | Hitachi 50UX57B 50" Rear Projection...

2 Answers

I cannot adjust the convergence.


You have convergence output failure. The output ICs will need to be replaced and possibly a small component like a resistor or two as well. Expect to pay a service company $350-$450 to resolve this.

michtech

Jan 23, 2009 | Toshiba 55H70 55" Rear Projection...

1 Answer

My magic focus won`t move my red lines left to right, it will move up and down.


Without knowing make and model of set. i would have to guess that on of your output resistors in your convergence curcit has failed. there is a possiblity that one of your stk amplifer ics is bad

Jan 11, 2009 | Projection Televisions

1 Answer

Toshiba 40who8b convergeance problem


Good Day, harri1234;
Sounds like a convergence problem.
Convergence Output IC Failure
Corrective Action: Replace the defective Convergence Output IC Part Number 23905094 (STK392-110) using the revised “T” version IC Part Number 23135090 (STK392-110T). When Convergence Output failure is
detected, it’s recommended that both IC’s be changed to the “T” type IC
version.
Good Luck, Big Irish.

Jun 23, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

HELP! Should I buy this model for $200


It sounds like it maybe the convergence ICs or it could just need adjustment from moving.If it does need new ICs they are STK392-110 and you can get replacement iCs and free instalation instructions at the following link.
http://servicemanuals.vstore.ca/

May 30, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Toshiba 40H80 - Turns on . . . wigs out for about 30-seconds . . . shuts off.


A convergence problem is very commond. In most cases the convergence output amplifer IC's need to be replaced. This is not something you should do. Call a repair shop.

Apr 15, 2008 | Toshiba 40H80 40" Rear Projection...

1 Answer

Convergence


the remote is not the problem. the convergence is the problem. You need to replaced the convergence amplifer output ic's. or take it to a repair shop.

Mar 15, 2008 | Apex Digital GB51HD09 51" Rear Projection...

1 Answer

We can hear sound but no pictures..


If there was a color problem like convergence then change convergence amps, if no problem before storm, probably verticle output. A 7 pin IC located on rear of deflection board against heat sink that stands up.

Aug 18, 2007 | Philips 60PP9202 60" Rear Projection...

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