Question about Panasonic CT-2784VY 27" TV

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Blank screen Screen has 1/8" bright stripe horazontal across screen. What do I replace?

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This is a very commom failure on this TV sets. You will need to replace the vertical amplifier IC that is mounted on a heatsink.

Posted on Feb 21, 2008

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REPLACE ELECTRON GUN WHICH IS AT THE END OF THE CATHODE TUBE

Posted on Feb 21, 2008

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Screen goes green somtimes thomson 15lcd mo3b


HI. If it is not a problem with the CRT itself, look for bad solderings on the CRT socket. If it is in the CRT, you have very bright green with white stripes across.

Oct 05, 2014 | Standard (CRT) Televisions

1 Answer

Samsung lcd horazontal lines on scren on digital tv and av


Sounds like a panel fault. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/
Screen-shots to defective LCD panel are given. You can compare it to that of your TVs' and can make sure about the fault.

Apr 15, 2014 | Daewoo DTQ-20N3FC 20" TV

2 Answers

Standard television spot after bright screen


A explanation that may tell you what is happening:

Some of their sets had this issue. The picture tube has a metal screen inside directly behind the stripes that make up the phosphor coating on the inside of the picture tube.

It is called a shadow mask. It has perforations that line up with all the stripes on the screen (look close--red-green-blue stripes all outlined in black--tiny).

What is wrong is not fixable even if the tube is replaced----the metal used in these sets for the mask contains iron which causes it to expand in areas with real bright scene changes--

No need to remove question as I saw it and answer questions for most TV area problems.

I actually ten years ago worked for Circuit City--saw at least 5 sets (all larger Toshiba sets) with this issue. On seeing first one called our support staff and someone explained to me the issue---that set was under extended warranty and since the customer was angry the set was "exchanged" for a brand new set and the old one was disposed of.

Jun 01, 2012 | Curtis-Mathis Standard (CRT) Televisions

1 Answer

No Picture On Screen


change the 33uf 35v at the vertical filter

Thans!

Mar 10, 2009 | Standard (CRT) Televisions

3 Answers

TV: bright line across black screen for several hours.


vertical output ic needs to be resoldered. careful leaving that bright line displayed on the screen as this will cause a permanent phosphor burn into the tube. this can not be corrected once burned unless you replace the tube. mch

Mar 08, 2009 | JVC Standard (CRT) Televisions

1 Answer

T v


horizontal lines across screen, audio okay.

Nov 06, 2008 | Zenith B32A24Z 32" TV

1 Answer

Entirely black screen Mitsubishi Model CS40503 SER. 530082


  1. YOU WILL NEED TO CHANGE
  2. Q6c2
  3. Q291
  4. D251
  5. CHECK MOUNTING OF PIP-PCB TO MAIN-PCB

Nov 25, 2007 | Mitsubishi CS-40503 TV

1 Answer

Mitsubishis TV Problem


have a Mitsubishi TV 1993. Model CS-35301. The problem is that there is a white line that is running through a blank screen. The sound is fine just no picture. Have you heard of "Vertical Collapse?" I would love to save the TV. Hi nothing to worry just minimise brightness to avoid screen burn. "Vertical Collapse?" means one bright hor.line in the middle of screen. this problem can be solved 1 check vertical yoke connector or wire loose 2 check supply to vertical section which normally comes from EHT transformer check components in vertical section or print loose regards thanks

Sep 10, 2007 | Standard (CRT) Televisions

2 Answers

Horizontal 'pinstripe' lines on all channels


sound like the screen control on the flyback is set just a little too high. the flyback has the red wire attached to the tube. the flyback has 2 small adjustable controls. if you look close enough 1 is marked focus & on is screen. turn the screen slightly to the left & look at your picture. the screen is like a master brightness & if it's up too high you will see what is called retrace lines. good luck.

Jan 16, 2007 | Daewoo DTQ-20N3FC 20" TV

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