Apex Digital GB5108 51" Rear Projection EDTV-Ready Television Logo

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BLUE LINE ACROSS TV APEX REAR PROJECTION 2002 40 INCH

Posted by Anonymous on

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5 Related Answers

robert landry

  • 96 Answers

SOURCE: apex rear model?

I would say it's a adjustment you will need, is the convergence aligment ok, to adjust this you will need to find the adjusment block in the front, this is a black unit about 4" x4" and has lot's of wires that comes in.
On this block there will writing on it focus, and screen, well your half way there.
Adjust the green screen control downard to see if it adjuses your green problem if it does, here how you adjust the rest.
First go to your menue, turn the colours off. yes off.
next put contrast to max.
next turn your brighness to 40%
Nest ajust the screen control until you no longer see any trace line of the colour you or seing so that at the end product you het the best black and white picture you can. This will give you the end resolt for best picture posible.
Adjust the other colour after, to see if you or close to the corect adjustment go back to the menu and turn contrast down you shouldn't see any trace line.
Another problem people don't understand this unit have to be clear once's every 2 years.
This I won't explain it's a very long process if done right . Rear projectors has to be clear because with time you will notice the picture looks like you have catarack. or white filtering of the picture. This is when you know it need's cleaning, I do it all the time when I go to customer home, yes I do house call's. I think I'm the last one out there, most shop what's the tv in the shop mostly to be able to control the price there about to hit you with and if the customer doesn't pay there just sale it, they have the control and not you.

I hope this help, keep in mind it's very expensive to have tv repairs, but you have to pay, this what keep's tech going without them, well you can just imagine.

What About Bob
Timmins, Ontario

Posted on Feb 13, 2008

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Jaime Hernandez

  • 2351 Answers

SOURCE: apex gb4308 43 inch projection tv

It looks like the convergency ICs failed on your TV. The IC numbers are STK 392-040, they are mounted on a big heatsink.
This may not be a DIY project, so I would suggest to take the TV to a repair shop.

Posted on Feb 18, 2008

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shaggyrat

Christophe Thompson

  • 1224 Answers

SOURCE: 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

Posted on May 28, 2008

Slinteriors

Sonny Berry

  • 8617 Answers

SOURCE: I have a apex GB5108

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

Posted on Jul 01, 2008

Anonymous

  • 11 Answers

SOURCE: 3-D picture

you should not have to worry about high voltage as long as everything is unplugged. If you are worried leave it unplugged for a few minutes... the service manual warns to discharge the picture tube anode to the CRT conductive coating and wear goggles, but any charge should discharge after just 10-15 sec at the longest.

Posted on Feb 05, 2009

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STKs must not have held up Look in back of set they are 2 Big Black ICs will have part number on them example STK392-110,if 110s use 150s.you can order parts from MATs 1-800-628-1118.
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not able to assist you with your problem, but if you give up on trying to get your issue resolved and decide to get rid of the tv and wish to sell it fo rparts then please contact me as i am in desperate need of the lense out of the front of this unit you have. Thank you i can be reached via email @ [email protected], or via phone# 304-937-2369
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Convergence is when you aim all three of the projectors, your tv has three, so that the images they produce all line up with each other. This usually doesn't generate a white line across the middle of the screen though, there is a button on the front panel of your set that automatically converges the three projectors, you can try using that.
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The APEX and most rear projections are notorious for poor solder joints. The convergence circuits on your TV get very hot and the solder joints weaken over time. In your case, the convergence STKs are the large chips mounted to heat sinks right up front on the left hand side circuit board. Remove the board and resolder the STKs using a good low wattage iron. If this doesn't fix your problem try replacing the STKs. They aren't that expensive. They have 15 or so legs so you'll need some skills removing them. Good Luck!
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