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Top half of screen doesn't show video, just menu

60" Marantz plasma that top half of screen doesn't show video, but does show menu

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Replace the main pcb also called the digital pcb.you also could have a defective address or
buffer pcb that feeds the top of the screen if the top is black.if screen is not black.replace the main digital pcb.where all video is done in
the tv.

Posted on Jul 15, 2009

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Posted on Jan 02, 2017

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1 Answer

How to fix my plasma tv?


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" to 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.

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Hello Danyell,
According to the model number you provided you have a 42" Insignia plasma TV. The problem you reported with having just a blank black screen on the lower half is due to a bad lower buffer board or also called a lower scan board. The part number is LJ92-01739C and if you Google this part number you can find these online and also find some sites that may show a short video on how to replace it. Price of this board looks to be about $35. Also of note is you will find that this part number is a Samsung part number which means your Insignia TV has a Samsung plasma panel in it so the associated circuit boards will also be Samsung parts.

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1 Answer

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Change input device to some other that works. Then if the problem persists, this might need attention by a qualified service technician.

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Contact the nearest authorised service center for LG. The digital video processor board has the trouble. It is a very skilled work, need sophisticated testing equipments, and work expereince.

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1 Answer

My Phillip plasma tv is only giving out sound,and showing the menu and volume but no picture.


Hi,


It could be one out of the two problems..

1. The plasma panel or the components which supply electricity to the plasma in the panel have packed up.
2. The video processing unit in the set has gone.

Also the y-sus video board which is a common problem with plasma sets.

Call a competent person to remove the back panel-remove the board and power the set up-if it is this board the set will display the top half of the picture only-when replaced no picture will be displayed.

Please get back to us if you have any further query or else accept the solution.


Thanks for contacting fixya.com


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1 Answer

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It's either gonn'a be one of the horizontal buffer boards going from top 2 bottom that are connected 2 the y-sustainer or the one of the 4 inverters is bad on the y or z board. most likely the y board just check 4 tempeture indifference

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Plasma Philips (42PF9630A) Top Half Has Artifacts


There is nothing you can do in the menu but a tech would need to be contacted. Bring up the menu and if the problem is not there replace the small signalbaord. If it is replace the Y upper board.

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1 Answer

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Service time! Get quickly to the retailer or service port for what ails this set...accordianman

Mar 04, 2008 | Televison & Video

1 Answer

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Bring up the menu and if the lines are not on the menu replace the small signal board that is your video prossor. If the lines are still the replace the Y main board that contrl the top half of the screen.

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