Question about Apex Digital GB5108 51" Rear Projection EDTV-Ready Television

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GB5108 picture is collapsed to a blue line in the center

What can be the problem and is there a service manual available?

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Go to Trinixsoft.com for complete manual. Cost 4.99 for download or 9.99 for shipped cd. I kinda have same problem but my exits with 3 red colors in bowtie form. I think mine is the TDA8351 or vertical control IC. Hope this helps.

Posted on Dec 19, 2007

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Posted on Jan 02, 2017

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Manual


All service manuals for these are online and only available to authorized service centers.

At your own risk: with set on in cable band: 062597 status will take you directly to convergence tech menu--be careful what you do and if not sure do not go to the menu after and select save.

May 04, 2012 | Philips Televison & Video

2 Answers

No picture, Horizontal line center of screen


Can be a case of vertical collapse. If this is the case, then the vertical oscillator and/or the vertical driver circuit are faulty. .

You can take you problem directly to zenith. They have a customer service post available here

Mar 30, 2008 | Zenith Z32H41D TV

1 Answer

I have a black line acrossthe center of my apex gb5108 tv. does anyone know if it is worth fixing?


hi
it should be changed just
if any body want to repair, it may be to expand the problem

Jun 02, 2010 | 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

I have a apex GB5108 tv, the picture has become a red yellow and blue horizontal line in the middle of the tv. is it fixable


Thats vertical deflection failure . Check the solder on the vertical output IC and the Yoke plugs. If that doesnt help you may need a new Vertical IC

Jul 01, 2008 | Apex Digital Televison & Video

1 Answer

Apex gb5108


'I to am getting only wavy blue lines, no sound, doesn't even show channel indicators. TV was off for 4 days, came home turned it on and ten minutes later this screen appeared, it wont even show the menu screen, different channels or video inputs no sound either.

Jun 21, 2008 | Apex Digital GB5108 51" Rear Projection...

1 Answer

Bright line coming in center of screen


Hi Shailendrar , your problem sounds like vertical collapse , the whole picture has collapsed into a thin , very bright centre line ? maybe the result of dry solder joints , does banging on the side of the tv temporarily fix ? if so , the circuit board requires inspection for bad solder joints . Alternately the vertical chip/transistor may be blown , replace as required. Cheers T

Dec 05, 2007 | Philips 19PR19 19" TV

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...

7 Answers

Apex GB5108 Convergence and screen issues


TWO INLINE FUSES ON THE POWER SUPPLIE BOARD, ALSO THERE TWO CAP 470@25 AND A 1000@35 THESE WILL LEAK UNDER STRESS. JOHN PATE WITH JOHN'S QUICK REPAIR.

Dec 20, 2006 | Apex Digital GB5108 51" Rear Projection...

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