Question about LG DU-50PZ60 50 in. Plasma Television

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Black haze covering picture after "pop" noise

A black thick haze covers the big screen with the picture behind it barely visible. this is a 1 year old tv with a 6 month warranty. It was a replacement on a previous LG big screen.

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  • Anonymous Mar 26, 2014

    White haze foggy splotchy picture on the tv screen

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That's a very old model to be only 1 year old?

It needs a Z-Sustain PCB anyway.

Thanks.

Posted on Sep 08, 2009

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1 Answer

Have a phiips tv had it in storage for over a year turned it on an the screen working perfectly but there a hising noise coming from the back of it do no what it is... Its a big bk tv not flat screen box...


hissing noise will be from high voltage regulator, i would suggest to do following:

1. switch tv off
2. remove plug from the wall
3. using air blower (compressor attachment - not leaf one!) blow the dust, especially from high voltage box section
4. connect the tv and switch on

if tv still issue hissing noise - follow 1 and 2 then:
3. remove back cover
4. use air blower again...
5. re-install back cover
6. reconnect tv and switch on

if hissing noise persist - check for blown capacitors on high voltage, replace if necessary, they have nasty tendency to pop if they are too long in storage, especially if tehy were overheated or frozen.

hope this will help you solve the problem, do not forget to vote...

Jan 27, 2015 | Televison & Video

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I have a phillips rear projection tv model no 55PP8620/79. Its showing a a red haze and poor picture quality. How do I fix this?


If the red haze is not convergence---that requires parts.

The set has three picture tubes---with set unplugged and back cover removed clean the three large lens that are topside---as for the red haze a quick way to know what is wrong is with set on turn the color to zero----what color is the screen? Should be black and white--if red to some degree tracking or screen controls may need adjusting inside the set---Yellow picture in that situation is a different issue.

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Suddenly pic went out. Loud crackling and popping heard. Now, Blue indicator and red power light continually flashing. I think lamp. Unit 3 years old


the lamp has blown replace if got instruction book that came with tv shows you how if not got the lamp is behind cover on side or frount cover that comes off by undoing two black screws on back corners (each lower corner) anda sharp pull will remove cover

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Reset the TV. There instructions in the manual on how to reset.

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Blue haze spot-yellow tint


I have the same problem with blue haze that just spread out on model 55VS69A ,
tv is almost 2 years old. i called hitachi and they advised to call a local repair center to check the tv...they confirmed Optical Block (light engine ) replacement light engine cost $1400 and labour $400, so i called back hitachi and they said they will provide light engine and will have to pay labour!....this is not right paying out of pocket for a tv less than 2 years old....I am not sure if the issue will resurface again...more likely ....Hitachi is supposed to issue a recall or atleast like sony did to cover all cost for there defective TV's....I will NEVER buy hitach again.

Hitach SUCKS.

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Older RCA Projection screen, Blue picture!


take the front speaker cover off, then remove the four screws on the cover behind it. you will see a 2"x2" black thing with 6 controls on it 3 on top three on bottom, your looking for "screen". they should also be marked r g and b, try turning the blue down (counterclockwise). it may help a little and prolong the life of your tv

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Green lines appear on the screen when dark picture is shown. Others have the same problem but can not figure out how to remove the front cover. Please help us


The front panel normally has some screws that need to be removed from the inside of the set. You need to remove the back cover first and you should see the screws. Then the panel pops off. Good Luck
Ed
NC Electronics
Mills, Wyoming

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Samsung hl-r5667l


sounds like a loose connection or harness ,remove rear cover and secuer all connectors / pull a.c plug first.

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I am told my Hitachi 61SDX01B (UltraVision/Ultrascan) has "Green Geometry"


Sounds like a convergence promblem.

Here are some of the most common symptoms of a convergence problem.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence or magic focus section.

Try to adjust the convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

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RCA 36" making loud pop then screen goes black


It seems that there is EHT Leakage from the EHT Transformer Anode Cap! Generally happens during rainy seasons, or if your TV is placed near a window or near an AC, due to excess of moisture in the air. Unplug the TV and wait for an hour to discharge all residual charge in Capacitors. Open the back, and look for a thick red cable leading from the FBT. (It is a Black Block with a thick red cable running from it to the rear of the Picture Tube). Take a sturdy Electrical cable with the conductor visible at both ends. (Multimeter Leads will do.) Now, ground one end of this lead to any Metal part of the Chassis, and gently ease the other end under the Cap of the EHT Cable. BE VERY CAREFUL, as there are very High Voltages involved! Do it Gently, and you will hear a POP! This indicates that the Electrical Charge inside tha Picture has been discharged. Now Take dry cloth and wipe clean the area around the Anode Cap. Close the back of the TV, and switch it ON. In all likelihood your problem should be resolved. BUT, I REPEAT, DO NOT DO THIS UNLESS YOU KNOW WHAT YOU ARE DOING, AND ARE VERY VERY CAREFUL. Otherwise, seek professional help!

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