Question about Philips 27PT5445 27" TV

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All My TV Has A Black Line Across the top of the pic tube how can i get it out [wacokid50@yahoo.com] [Phillps TV Model#27PT5445/31]

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Adjust the vertical hight with service mode. or adjust the liniarity V or replace the vertical filter or chk the+B volt ,solder the dry soldering point in vertical section ok i am Basheer my e male is ,,,,,basheerecb@yahoo.com ok by by

Posted on Sep 23, 2008

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Posted on Jan 02, 2017

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Samsung 60" 3D smart TV plasma has vertical lines down right hand side and wide black horizontal across the top of screen which board has problem or it screen trouble.only pic couldn't get in front.


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

Aug 31, 2016 | Samsung Televison & Video

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How do I get rid of vertical black bars on a plasma television


Fix Panasonic Plasma TV Vertical or Horizontal Bars ...

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Jan 05, 2016 | Samsung Televison & Video

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I have a 2" black line at the top of the tv. And also smaller black lines across the middle of the tv.


Dear Jeff,
It seems like the Horizontal IC in your TV is dying. This and the Vertical IC is responsible for displaying images on your TV. (Look at your TV through your Phone Camera and you will see upward scrolling lines.This is the Horizontal IC in action.)
I would strongly advise you to get your TV repaired immediately.

Oct 19, 2012 | Panasonic VIERA TH-65PV500 65 in. Plasma...

1 Answer

Very thin black vertical line moving across tv screen left to right on tv


The screen voltage to the picture tube is more than normal. Adjust it by the help of screen pot-meter integrated with Line Output Transformer. Visit the site named 'Electro-help' for more details. Check this link and select the site named above. View it in 'Flip card' option, which can be selected from the drop down box menu at the left top corner or the display window. It will make search easy.

Aug 05, 2012 | Panasonic CT-20SL14 20" TV

1 Answer

My tv needs readjusted (color,focus,etc.)Is there an easy way to do so myself? i got a 1986 45'' RCA projection tv.it started of with just a blury spot across the top but after i messed with it the whole...


First pull back Look for screen and focus block you will have 3 controls ontop for focus and 3 controls below for adjusting screen drive to each Tube R/G/B
turn color off on Menu NOW try to Adjust the red,greenand blue screen drives as close asyou can to a Black and White picture then turn Color back on in Menu also adjust Focus for each Tube Be sure to Clean Top of Tube Lenses of dust&dirt Just in case Post me your Model and Chassis Number it will be on back of TV some RCA Focus&screen drive Block maybe in front of TV if so remove front bottom panel their you will see control box.

Nov 10, 2009 | Televison & Video

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 Televison & Video

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No picture only sound, Toshiba 36A 36" TV tube type


my friend if you open the tv carefully look to see if the tube itself has light, or if you have high voltage i coulbe many different things.wish luck!!



caypianan@yahoo.com

Aug 10, 2008 | Toshiba 36A50 36" TV

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JVC TV 27" Black line on top of screen


This is for the original problem.. Not the second post.

It's a problem in the horizontal deflection circuit. The parts will be available, but you will be in for some daignostic repairs also to find out why it failing or if it has failed on it's own.
There should be a few caps near the IC (an LA7840) that could also be causing the problem. Click the link, it will make it easier to locate the part inside.

This is the kind of repair best left to a TV tech, but get it done now and it won't cost anywhere near as much as it will later.

Apr 18, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Sanyo ds 25500 Television


No, you have either a bad solder connection on or near your vertical output IC, or a defective IC itself. Don't leave the set on for long with the line across the screen or your pic tube will be toast.

Mar 05, 2008 | Sanyo CLT2054 20 in. EDTV-Ready LCD...

1 Answer

I think the color tube is shot


Sounds more like the convergance ic's
check these sites out:
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Dec 11, 2007 | Toshiba 50H72 50" Rear Projection...

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