Question about Apex Digital GB55HD09W 55" Rear Projection Television

2 Answers

Service manual to fix color convergence

If anyone has a digital copy of the service manual or owners manual for the apex GB55HD09W please let me know. I have been trying to find information on how to fix it and I saw this forum but I still haven't been able to actually find any manual to fix it. thank you

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  • jgolden28 Oct 24, 2008

    I have the same problem. Have you gotten a service manual yet?

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I have it.
Send me your email address please.
Hirmiz

Posted on May 12, 2009

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

Posted on Aug 05, 2008

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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...

1 Answer

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...

1 Answer

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...

1 Answer

Apex gb55hd09w


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

Oct 18, 2008 | 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...

1 Answer

Convergence


Your set needs two convergence ICs they are STK392-020 you can get replacements at the following link and they procide free instalation instructions with pictures so you can do the job yourself which takes about 40 minutes from beginning to end. Heres the link.
http://servicemanuals.vstore.ca/

May 14, 2008 | Apex Digital GB55HD09W 55" Rear Projection...

1 Answer

Convergence issue


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/

May 14, 2008 | Apex Digital GB55HD09W 55" Rear Projection...

3 Answers

Convergence and wavey picture problem


Actually you have 3 problems. The two that you listed and the third which is: Apex does not support their units. Ask anyone who has tried to get any service. Your problem sounds like a bad digital convergence box. I fix this problem several times a week but on name brand sets. Cost is usually less than $100 for the part. Some problems with Apex equipment can be fixed if the part is a common off the shelf part. That is not the case with your problem. Apex equipment is cheap for a reason. All posts that I have read say that they do not last long and you can't get parts. That has also been my experience as a technician. We don't even accept Apex units for repair anymore. Next time spend the extra money to buy a name brand unit and it will more than likely be repairable.

Jun 01, 2006 | Apex Digital GB5108 51" Rear Projection...

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