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Picture on tv has a horizontal line at center of tv and wanted to see how to fix on sylvania 27 inch tv.

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Replace the vertical output IC

Posted on May 03, 2008

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1 Answer

How do I fix?


Probably the replacement lamp is not correctly aligned. HOWEVER, if the band is not on the bottom, but is surrounded (above and below) with good picture, the cause is in the RED color circuitry usually the 'convergence' section. This type of failure is often due to a failing electrolytic capacitor. Repair is problematic and may be in the integrated circuitry.

Jul 23, 2014 | Sylvania Osram Replacement Lamp & Housing...

7 Answers

Toshiba 61H70


Does the rest of the viewing picture looks like the picture below?b66a18b.jpg

Jul 04, 2008 | Toshiba 61H70 61" Rear Projection...

1 Answer

I have an rca model hd52w67 tv and there is a problem with the picture. the picture has a red and green picture that don't allign by about an inch. I think it is in the picture guns but i cant find a...


Do not align the guns! they are located facing up toward the mirror; they are picture tubes! covered with big glass lenses! heavy!
instead look for a red/green/blue adjustment knob on the set's front; the buttons should say: convergence or, crosshatch push the crosshatch button: once you have three vertical lines crossing three horizontal lines; just merge them using the other R/G/B knobs untill you have one white vertical line and, one horizontal line crossing in the center of the screen.
(you may have to find the controls on the remote using "setup")

Feb 11, 2010 | RCA Projection Televisions

1 Answer

No Picture On Screen


it sounds to me like your tube has gone , go to your local tv repair shop and order a new tube its quite cheap to do so and they should be able to get it you quite fast.

Mar 10, 2009 | Mitsubishi VS-60601 60" Rear Projection...

1 Answer

PICTURE HAS DISTORTED HORIZONTAL LINE IN CENTER OF SCREEN.


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony, Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit from the link below.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on - TV may also make a chirping noise.
Here are some photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right.

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

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution

93a1209.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from www.TvRepairKits.com

Jan 03, 2009 | Toshiba 55H70 55" Rear Projection...

2 Answers

Mitsubishi vs-55707 or vs-50707????? bouncing horizontal lines weird color


If the picture looks like a 3D then you have a convergence failure.
I would suggest to visually inspect the STK Ics for dry or crystallized solder joints.
IC8C01 - STK392-110
IC8C02 - STK392-110

Dec 11, 2008 | Projection Televisions

1 Answer

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

Horizontal lines and screen bounce


These sets have capacitors that will go bad, but without a good ERS meater that tests these in curcuit you could be spending a lot of time doing nothing, But the most common is to find the 9 volt reg on the signal board and change all within a 2 inches of that regulator

Feb 07, 2008 | Mitsubishi VS-50605 50" Rear Projection...

2 Answers

Sudden discoloration, ghosting, bowed horizontal lines in top and bottom of picture


The convergence ICs probably have a cracked solder joint on the foil side of the circuit board. Re-flowing the the solder would help. I will always replace the convergence ICs when doing this job. The labor remains the same and you will have to pay a few extra bucks for the parts. To fix this yourself, you will need to be able to identify the two convergence ICs, have a basic knowledge of electronics and be able to use a soldering iron. You will also have to do an alignment through the service menu.

Apr 01, 2007 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Horizontal Lines


The unit most likely has a short in the horizontal section and would require repair by a service center. Go here to find a JVC repair center in your area http://maps.jvc.com/cAscList/

Sep 18, 2006 | JVC AV-56WP74 56" Rear Projection...

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