Question about Zenith B25A24Z 25" TV

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Horizontal line in top screen

MR. Techman, i have zenith tv model# b25a24z. tv working good. only problem is lot of horizontal lines 3" wide in top screen. please tell me how to done this matter. thanks.

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Could be vertical output IC or capacitors located close around the IC

Posted on Nov 28, 2007


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Posted on Jan 02, 2017


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sounds like vertical retrace lines. The horizontal line fault called so. Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Pull up older posts.
Type in this key phrase " my service table today " in the search box at the top right of the display window of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Apr 23, 2016 | Toshiba 32A33 32" TV

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My led samsung tv has a horizontal line and the upper right corner shows a white vertical lines

Not good. You may have a tab failure. A repair shop may be able to diagnose and repair this, but most likely the lcd panel is broken. The panel is the most expensive part of flat tv's. A new panel will cost more than a used tv.

Feb 02, 2015 | Samsung Televison & Video

1 Answer

My zenith lcd tv has horizontal black lines whih form a band about 3 inches wide across the screen, sometimes the band looks more like a dark shadow than lines other times the right side of the screen...

This is either 1 of 2 things, first it could be faulty panel tabs , in this case, there is nothing you can do and is unrepairable....2) you could take the back off the tv and you will see 2 ribbons going from your t-con board to the panel tabs (top center of tv) remove them carefully and reseat them. This is a common problem. Tv repair tech 15 years! Best of luck.

Dec 05, 2017 | Zenith Televison & Video

1 Answer

Lines on screen

If you are concerned with horizontal lines on the TV, you will need to replace the capacitors near and next to the vertical IC. Then inspect the vertical IC for cracked rings on the pins, resolder as necessary. Thanks for asking!

Nov 28, 2010 | Zenith B25A24Z 25" TV

1 Answer

Zenith b25a24z has a line in center of screen and i replace the verticle output ic and the problem remains can somebody help me?

was the line vertical or horizontal? if vertical check on the horizantal sync side if horizontal check vertical side also check for dry solder joint on the circuite.

Apr 07, 2010 | Zenith C27A24T 27" TV

1 Answer

White horizontal dashed lines appear and at top of tv screen

If you wish to get some details; visit the site linked here. Pull up older posts. 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

Mar 13, 2017 | Apex Digital GB43HD09 43" Rear Projection...

1 Answer

TV - no audio

We lost the chat communication.
check this LINK to download your schematic diagram. Make sure you get all the 7 parts before you can open it.
You will need winrar and acrobat reading 6.0 or newer to view the schematic.
Good Luck.

Mar 10, 2008 | Zenith B25A24Z 25" TV

1 Answer

Zenith tv

due to shifting your yoke coil might have turned. if you are not tech person get it done by tech. good luck.

Oct 06, 2007 | Zenith B25A24Z 25" TV

1 Answer

Zenith Model SR3238RK horizontal lines

There must be a capacitor which would be brust or leaked.So check it in th horizental section.And power supply section.Find that one and replace it. Good luck

Aug 12, 2007 | Zenith C27A24T 27" TV

1 Answer

Horizontal lines across the top 2 - 3" of the screen

Sounds like you have some capacitors that are needing to be changed in the vertical circuit. The cost I cannot quote but, it probably won;t be worth the cost as replacement TV's are much cheaper now. Zeniths and other brands for the longest time have used not controls inside the TV, they are technician adjustments through a service menu only.

Apr 19, 2007 | Zenith C27A24T 27" TV

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