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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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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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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Can not remove the large spiral bevel gear

The large spiral gear is pressed tightly on the spindle then held in place by a wave washer and retaining ring. After removing the retaining ring and washer, you have to use a press to push the spindle out of the gear.

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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

I have a Insignia NSL37Q10A, when you turn it on it display's

Change input device to some other like a DVD player. Look for loose contacts in RC jack, cable, sockets. Look for any jammed buttons on TV or on remote.

Switch off TV, switch off power, remove plug and wait for 48 hours and retry.
If problem persists, call in a qualified service technician.

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1 Answer

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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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

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...

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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.

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1 Answer

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

Toshiba 50hp66 picture waves

Please describe the 'waves' and what you are watching when it happens, is it on everything? e.g. normal TV and when watching a DVD? Are the Waves a grey close pattern going diagonally across the screen for some other sort of pattern?


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3 Answers

Strange screen colours

Your degaussing circuit is not fully 'demagnetizing' the picture tube.
You can manually degauss it using a strong magnet, but it's tricky.
With a tool made for demagnetizing you simply hold it close to the center of the picture tube and using a circular motion slowly spiral outward to the outer edge of the tube, pulling the magent further away from the tube at the same time. The same can be done using a strong magnet although the results may not be perfect. You can experiment with a magnet using wiping motions as you bring the magnet closer to and further away from the tube.

Mar 05, 2008 | Beko 324250WN 28" TV

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