Question about Apex Digital GB55HD09W 55" Rear Projection Television

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Apex gb55hd09w after tv is on for about 20 minutes I get double image

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You need two STK392-020 - 3-Channel Convergence Correction Circuits. they run anywhere from $10 to 40, then either you or electronics shop solder them in

Posted on Apr 05, 2009

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Double images. convergence problem.


stewearserra,

You are correct, you have convergence problems. But I have a tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics which will answer all your problems as well as tell you how to complete the repair and where to get the parts at the best price.

Thanks for using FixYa and for the great rating.

hardrocko

Dec 13, 2010 | Apex Digital GB55HD09W 55" Rear Projection...

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Blurred picture red and blue shadows


Hi,
Please run the convergence feature on your TV. Its giving you double image because the red, green, and blue guns are dis aligned. By running convergence it will realign the guns properly. You need to run the convergence feature at least once a week. Please note this is only for CRT rear projection TV's and I assumed it was. If it is an LCD rear projection, then there's nothing you can do to fix such thing, but call a repair person. But if doing the convergence doesn't fix the problem, you need to call a repair person. But I hope you won't have to refer to the manual on how to go about it
Good luck!

Nov 29, 2010 | Apex Digital GB55HD09W 55" Rear Projection...

2 Answers

Access Convergence Menu APEX GB55HD09W


did you ever find out why you couldnt get into convergence?

Feb 16, 2010 | Apex Digital GB55HD09W 55" Rear Projection...

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Apex out of convergence


I have this TV and have fixed this issue. If you cannot adjust Red or Blue convergence, then your STK ICs are defective. The signal board or Digital convergence board is not able to adjust sig lines on the deflection board so pushing buttons does nothing. The STK's are your amplifiers for vertical and horizontal. This will require dissassembly and soldering. You'll need 2 STK392-020 IC's and 125v/5A pico fuse or buss fuse..

The STK's are mounted on 2 massive heatsinks. Can't miss it. Word of advice, LABEL the 3-4 Pin plugs B,G,R from left to right. These are your Vertical and Horizontal coils for each tube. Don't mix them up. I did and the tv survived luckily. Chances are if your STK's poped, then they took out the -25v line. Take out the power supply that is mounted vertically on the right. Look for a row of axiel lead fuses with "SOC 5000" printed on it. They look like white rectangular blocks with leads. Check them all. Particularly RF817. Sits next to RF814. The service manual lists it as a fuse and NOT a Resistor-Fuse like the label suggests. I found more than one typo like this. I replaced mine with a generic 125v/5A fast blow buss fuse. Soldered in a holder for it. Should work the same.

Took me abit to realize it was a fuse on the power supply. This -25 line traces to W057/W058 next to the first STK chip. Explains the symptoms.

May 12, 2009 | Apex Digital GB55HD09W 55" Rear Projection...

2 Answers

TV won't come on


unplug it for 10 minutes then turn it on at the console(not the remore) and hold the power button in for 15 seconds. this resets most apex tv's

Oct 06, 2008 | Apex Digital GB55HD09W 55" Rear Projection...

2 Answers

Service manual to fix color convergence


I would like a service manual for this tv as well if anybody has one. However i did call apex and they said there is no service manual for this tv

Jul 01, 2008 | Apex Digital GB55HD09W 55" Rear Projection...

1 Answer

Converence ic


If you go to the following link you can get new replacement ICs and they provide free instalation instructions as well as free instant messageing tech support so you can do the job yourself and save quite abit of money. Heres the link.
http://servicemanuals.vstore.ca/

May 25, 2008 | Apex Digital GB55HD09W 55" Rear Projection...

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Image on my Apex TV/DVD combo is too large for the screen


deer joe you need da service manual,becouse your tv is altereyted the memori,you moust going the center service for definetival reset

Jun 02, 2007 | Apex Digital GT2715DV 27 in. TV/DVD Combo

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Convergance green image is to far to the right and goes into a double image


If you know how to solder and unsolder and understand the circuitry of a tv set, then those are the IC's you will most likly need to change. I would look at the fusable links on the board also. If you dont have the training for TV's, this is not the place to begin experimenting with. good Luck

Aug 11, 2006 | Apex Digital GB55HD09W 55" Rear Projection...

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