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My Samsung plano 21" model no c21k3ml screen turns off and on but sound is ok only display turns of for few seconds ,in chanel changing it take few seconds to give display

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/

Posted on Nov 15, 2014

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Posted on Jan 02, 2017

  • 458 Answers

SOURCE: lg lcd

This will be a problem with the inverter board to control the backlights, this causes the screen to try & light up & then blank out. If the backlights are faulty, then a new replacement screen is required. Look for any sign of any component stress on the inverter board & also check for any related capacitors on the power board side that may look swollen & replace them.

Posted on Sep 03, 2009

tvservice306
  • 458 Answers

SOURCE: no picture

try replaced DIGITAL PCB ***'Y

Manufacturer Toshiba
Part Number 72784100
Description DIGITAL PCB ***'Y

Posted on Apr 27, 2010

  • 1 Answer

SOURCE: I have got Samsung Plano 29 inch TV. I see

I have got Samsung Plano 29 inch tv. I see redgreen and white color lines at the top of the screen.this slides down till the middle of the screen. Please suggest

Posted on Nov 25, 2010

spr1949
  • 1182 Answers

SOURCE: sound ok no picture hp invent comes on then the screen goes gray

Display or its board has got affected partially and might require the attention of a qualified service technician.

Posted on Jul 31, 2012

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Is Samsung plano DNIe Jr 21 inch a flat TV model; kindly confirm


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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Samsung plano dnie jr flat screen tv : channels does not change with remote or by tv button, sometimes no picture is displayed the screen becomes blue


Main system control memory IC fault. Contact any service technician to replace it. This is not a work, that a user can do with ease.
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Samsung le40d503f7w only displays samsung logo on screen for a few seconds after switching on and then goes blank


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Dec 28, 2010 | Samsung Televison & Video

1 Answer

I have a samsung TV 21" flate screen PLANO the pic become thin coming on 1/3 of vertical screen sound is ok


Is it folding to the middle screen? Then vertical IC is loosing connection to its board or capacitor is running dry or the IC itself is failing.

Resolder or replace. If you are not inclined in electronics have it service by a qualified one.

Hope this helps.

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Hai
 My "Samsung Plano Dnie Jr Tv " is Screen Problem.Tv Display is Fully Blackish color and display center is One White Line will be come. 

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The problem that is happening is due to the shutdown circuit activating, which is an indication of excessive current flow. This may indicate a problem in the High Voltage section or in the power supply feed from the HV section. In any case this problem is best dealt with by a trained professional. I would suggest that you take the TV to a qualified TV repair person and have them check it out. 
I hope this helps 
Thank you, 
Shuttle83

Dec 04, 2007 | Samsung WS32Z308P 32" TV

2 Answers

Tv channels


Probably, at first you searched the programs in automatic way. And there were only 20 channels at that time. So, you only have 20 channels. You should try to search channel 21, 22, 23, etc, manually. If you can't set 21 on your program, then your tv set has only 20 programs.

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