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Blue line of light horizontally across tv - Televison & Video

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Sounds like a vertical circuit problem. If you provide a manufacture and model number I will be able to help you some more.

Tim nolan

Posted on Sep 23, 2008

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6ya6ya
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Posted on Jan 02, 2017

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Older big screen hitachi w/pip tube tv and has blue lines across the screen turn off on it own sometimes.


It could be time to retire the TV.
The blue almost horizontal lines are probably a fault in the flyback blanking and the fact that it will turn itself off is likely due to a poor solder joint on a circuit board inside.

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1 Answer

Has pink/green horizontal line across top l corner


Hi,if your tv is dlp or lcd you will need to replace the light engine that's in charge of creating the image and colors, and when bad you 'll get discoloration or lines across image.

Oct 01, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Red/Orange horizontal lines


it could be that the tv convergence circuit is going bad. One shure way of finding out is to go to the tv feature menu(picture,audio etc.) and select the customer convergence setting, you should get a cross hair pattern(cross in middle of screen). that cross should be white and by aligning the red or blue colors they should move left, right, up or down

Jul 27, 2009 | Akai PT5492S 54" Rear Projection...

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Horizontal blue lines with a slight blue wash in the screen


Hi,
Its because of Over Voltage of Screen (G2) to Blue CRT.
Take off front lower cover (speaker grill) and unscrew board. There you will need to find Focus Block mounted having 6 control knobs. 3 knobs are for Focus control and 3 are for Screen volts control. Find Blue Screen control knob and turn is Counter Click Wise slightly until bluish shade disappear on screen including few blue horizontal lines.
If you select AV input to adjust that will be fine as you do not need to wait for dark-scene.

Apr 09, 2009 | Sony KP-65WS500 65" Rear Projection...

1 Answer

Flashing Horizontal, Circuluar, Colored Lines


sounds like bad capacitors on the FMT board need replacing that is a common fault with the first generation DLPs There are 3 bad capacitors.

May 31, 2008 | Mitsubishi WD-52525 52" Rear Projection...

2 Answers

LG Rear projection tv help... Red, Blue and Green horizntal line through screen.


The complaint may be dry solderig or yoke ,horizontal or vertical oscilator

Dec 29, 2007 | Televison & Video

1 Answer

Akai PT 5299 HD Rear Projection TV


That sounds like a high-voltage splitter, failure!

Dec 18, 2007 | Televison & Video

1 Answer

Horizontal Lines and Blue Tint on my Sony KDP 57XBR2


ok,your porblem is very simple,reheat or resolder the main board your tv.

 

Oct 22, 2007 | Sony Grand WEGA KDP-57XBR2 57" Rear...

1 Answer

Strong red tint with horizontal lines across screen


if you have warrenty, return it. if not, then buya new one...the video fuses are dying...hard to fix it.

Oct 06, 2007 | Akai PT4799HD Rear Projection Television

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