Question about Apex Digital GB4308 43" Rear Projection EDTV-Ready Television

7 Answers

My projection tv picture is messed up

The picture on my APEX gb4308 43' projection tv looks like an osiliscope wave in the center... You can select the menu on the tv and you can tell that in the little bit of colored picture left that it is cycling though the menu but you can't even come close to seeing the text or picture of it... what could the problem be?

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  • 4 more comments 
  • DSLGUY Dec 15, 2007

    Screen Has Blue Horizontal Figure 8 in Middle Nothing Else

  • greenman1 Dec 29, 2007

    my picture is very bright even when i turn down the brightness of it and the picture has a shadow of all three colors red blue and green like double vision can you please help me asap i dont have a remote control either is there any way i can fix it with out it by myself

  • viveros Jan 15, 2008

    The picture on my APEX gb4308 43' projection tv looks like an osiliscope wave in the center.....

  • pawnature Nov 26, 2008

    Top part of screen is all out of whack.

  • PICTURETUBE Jan 06, 2009

    I HAVE A APEX REAR PROJECTION MODEL GB4308 AND CANT GET A PICTURE ALL I CAN GET IS A COLOR SCHEME IN THE CENTER OF TV SO WHAT CAN I DO TO FIX THIS PROBLEM

  • mowieman Apr 18, 2009

    I have the same problem with the osciliscope wave in green red and blue accompanied with a burning smell. I want to fix the TV but I don't know if its worth it . Any ideas ?

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7 Answers

My TV guy Replaced The Verticalhold Chip and it worked

Posted on Feb 25, 2008

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I just change the memory board inside of the tv and it works 100%!!!  

Posted on Feb 23, 2008

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It's a power supply voltage problem or a cpu board. I just fixed one just like it.
Ed
NC Electronic
Mills, Wyoming

Posted on Feb 23, 2008

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I have sound but no picture. Does anyone know what I can try?

Posted on Feb 02, 2008

I had the same problem with mine and i repalced the convergence board and it fixed the problem

Posted on Dec 16, 2007

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I'm not to sure what exactly is wrong with your tv, but I do know that it is NOT the convergence board. I have the same problem with the same model and was told to replace the board. I waisted $85 bucks. The only other thing that I can figure is it must be the STK's inside the TV. If you fix yours please repost and let me know so i can fix mine.

Posted on Apr 11, 2007

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CAREFULLY TAKE THE UNIT OUTSIDE, ATTACH A SACHEL CHARGE, SET TIMER FOR 10-MINS, THEN LEAVE & GO BUY A NEW ONE. IT WAS BUILT IN A CHINEESE FORCED LABOR CAMP & THEY ****.

PRAISE ALLAH !!

Posted on Jul 16, 2009

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Related Questions:

1 Answer

No picture


Let your local TV repairman check it. Don't touch anything inside it nor open it.

May 26, 2009 | Apex Digital GB4308 43" Rear Projection...

1 Answer

52 rear projection


Your APEX tv has a convergence problem which is fairly common.

Check with www.TvRepairKits.com. they may have a kit for your model.

May 13, 2009 | Apex Digital GB4308 43" Rear Projection...

2 Answers

Apex 51' gb5108


Just click below for convergence repair kit;

http://servicemanuals.vstore.ca/

Double images and colors are blurry .Blue,red and yellow wave coming up from the bottom of the screen on the lower left and fuzzy images this is a symptom is for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;

Regards,
VOTIT

Oct 10, 2008 | Apex Digital GB5108 51" Rear Projection...

1 Answer

Blue wave across screen


Just click below for convergence repair kit;

http://servicemanuals.vstore.ca/

Double images and colors are blurry .Blue,red and yellow wave coming up from the bottom of the screen on the lower left symptom is for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;

Regards,
VOTIT

Sep 08, 2008 | Apex Digital GB5108 51" Rear Projection...

1 Answer

Apex rear projection tv


3 things to look at

1 did the bulb burn out

2 did a pet get behind tv and pull the video inputs out

3 is the remote input set for the right video settings to run tv

May 03, 2008 | Apex Digital GB5108 51" Rear Projection...

1 Answer

Hey


all weird like eh? this isn't the place for you, bring it to a service center/tactician.

Apr 29, 2008 | Apex Digital GB4308 43" Rear Projection...

1 Answer

No picture


mine does the same thing , i leave it on for a few min's then off and back on and it works fine

Oct 21, 2007 | Apex Digital GB4308 43" Rear Projection...

3 Answers

SOUND NO PICTURE ONLY RAINBOW


I just fixed this problem on my neighbor TV. I don't have a manual or schematic, and didn't pay any attention to the reference designators, so I will just have to describe it. The problem was a bad solder joint. Visible thermal fatigue. Looking at the main board, (didn't even need to slide the cassis out). There is a small, narrow, vertical board in the center, adjacent to the yoke connectors with a funny looking little transformer on the very top. Check the connections on that.
-John

Dec 15, 2006 | Apex Digital GB5108 51" Rear Projection...

1 Answer

Convergence and picture problems


This TV probably uses two convergence IC Packs that will need to be replaced and be re-converged. There may also be a resistor or two that may need replacing as well. The projection tubes should last another 3 years or so.

Dec 26, 2006 | Apex Digital GB43HD09 43" Rear Projection...

1 Answer

APEX TV problems


need flyback transformer #030531-5283

Nov 05, 2006 | Apex Digital GB5108 51" Rear Projection...

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