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My apex gb5108 tv will not show a picture just blue screen

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Pull power supply board look for bad capacitors.Poor solder connections.

Posted on Dec 18, 2008

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1 Answer

Wavy picture vertically


if you have the speakers on top of the television or a phone near it might becaused by this

Apr 09, 2009 | Apex Digital GB5108 51" Rear Projection...

1 Answer

No Picture


Turn off the TV, unplug it if possible and wait 10 minutes and plug it in and turn it on.
If you still have the bliue screen and are feeding the TV with cable or antenna there may be a signal problem or digital signal level problem.
If you still have a blue screen and are feeding audio and video seperately in could be a cableing problem. If not there may be a video input menu item that was changed. You would have to check the menu items.

Oct 04, 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

Apex gb5108


Your Convergence is off. Go through the menue to the CONVERGENCE and follow the on screen instructions.

Start with the RED gun and align each cross point starting with the upper left corner.

You will be pulling the red to match the green.

If the television shuts down during this process, it will reset the convergence and you can try again.

After you get the red gun perfectly aligned with the green, start with the blue.

follow the on screen directs and don't forget to store.

Use the remote for these adjustments.

I hope that this helps..

Jan 06, 2008 | Apex Digital GB5108 51" 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...

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