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

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No picture spiral wave inthe center of the screen

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Re: 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

Posted on Nov 02, 2007

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My picture faded off the screen

Need to see if you're getting high voltage. See if you have 130v dc on the collector of the horizontal output transistor.

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Projection HDTV Pansonic 47" Curving blue and green colors on top and bottom of screen.

You will need to replace your two convergence I.C.s.They are two large IC mounted on a large aluminum heat sink.Replace both,look for any burned resistors near them,replace those if needed,and readjust your convergence. Good Luck

Let me know if you need any further help

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1 Answer

The colors are kind of 3d and not focused there is a wave of blue green and red that dips down in the center of the screen. is there some way to focAS THE LAMPS OR SOMTHING TO MAKE THE PICTURE MORE CLEER?

u have 2 problems one is the convergence ic and also u need a oil chage on picture tube blue a green , maybe total repair $400 , u need to contac a tv shop for thie job

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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

Fads to green with spiraling lines

you may have a short in the picture tube. but from your description it sounds like the positor has failed. really hard from your description but if the positor has failed its very cheap to replace..farr64

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1 Answer

Hitachi 43fdx11b green wave on top left/center of screen

Check your soldering.

Check the resistors - make sure none are shorted.

Make sure you did not buy fake STK chips...

Feb 15, 2009 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Toshiba 57h81 green will not focus

Typically this is a convergence problem and can be repair relatively easy. Refer to this video to determine if you truly have a convergence problem. Also make sure you use your TV's original remote to make this adjustment.

Nov 15, 2008 | Toshiba 57H81 57" Rear Projection...

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Blue wave across screen

Just click below for convergence repair kit;

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;


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

1 Answer

Red and green fuzzy waves across the screen

my screen just became distorted (red picturer to the upper right & green picture to the bottem left ? can you help me ? wuzuphippie55@yahoo

Sep 08, 2008 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

RCA 52" HDTV Rear Projection TV MM52110JX1

Replace FL231 400ma fuse. this will fix your problem.

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