Question about Sony PFM-42V1 42 in. HD-Ready Plasma Television

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Sony PFM 42V1 Vertical black line

Sony pfm42v1 vertical black line tried the ribbon connectors and tapping all boards & Components .Any ideas.

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You have a bad lcd panel call sony they may help

Posted on Jul 02, 2009

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Posted on Jan 02, 2017

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If you wish to get some details; visit 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.

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My Sony Bravia KDL-46W-5100 has developed vertical lines. Any advice would be most appreciated.


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.

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My Samsung Le40b541p7w hd tv has a black line with yellow no impact damage just happend


The vertical amp is not scanning completely there is an interference probably caused by a component that heats up and breaks down or has a dry joint on one of the components on the vertical amp board.If you are not a technician or know nothing about fixing electronics you will have to take it in to the supplier as it might also still be under gaurantee. Or you can open it up and locate the vertical amp board and spray some cold freezer gas (Available at an electronics store in a spray can) onto some of the components while the unit is switched on and fully functional, Or tap the board from underneath lightly with the back plastic or rubber end of a srewdriver as this will not short out other components while tapping being non conductive.Not advisable though if you are not familiar with working with electronic appliances.

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1 Answer

There is a red dotted vertical line at the right side and screen is flickering in my sony KDL 40EX720


Hello,

All Plasma and LCD TV have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them. Good luck.

Jul 06, 2011 | Sony 40 KDL40EX720 3D LCD TV

1 Answer

Sony kv 21jdr1 prblem no raster only tracing line appear audio ok.


Hello,

All Plasma and LCD TV have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken ..

I hope this helpout......

Jun 09, 2011 | Televison & Video

1 Answer

After power outage, my sony kdf-e60a20 turn back on to find veritcal colored lines. shut off, left off for 30 mins, turned back on and it took forever to turn back on and veritical lines still there


Hello,

All Plasma and LCD TV have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken . Good luck in handling the fault.....

May 14, 2011 | Sony KDF-E60A20 60 in. LCD HDTV

1 Answer

Hi got a few lines come across tv


Hello,

All plasma an LCD ts have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken.


Hope this help in solving the problem......

Dec 09, 2010 | Sony BRAVIA KDL-46XBR2 46 in. LCD HDTV

2 Answers

1" black vertical line in center of screen. Sony Plasma.


NOT DEFECTIVE!!!
There are 4 or 5 ribbon cables on the bottom or on one side, they control part of the plasma screen. Check the ribbon cable2_bing.gifnear the black lines. Unplug the ribbon cable and look for black chipson the underside of it, I think they say 100 on them, you need toresolder both ends on each chip. Should fix the black line issue.

Aug 19, 2009 | Zenith P42W34P 42 in. EDTV-Ready Plasma...

2 Answers

Black vertical lines on LCD screen


The CCD screen, or the CCD ribbon cable, or the CCD driver board may be defective, or there may be cold solder connections on the circuit board.

These cameras are serviced by changing modules, circuit boards, specific parts.

You will have to give the camera in for service.

Jerry G.

Apr 13, 2008 | Sony Cybershot DSC-T200 Digital Camera

2 Answers

Toshiba 42wp46p


just repaired one of these with the same fault. at the bottom of the plasma panel you will see a row of ribbon connectors, on the back of the ribbon connectors are some surface mount components. resolder these components on the offending connector, clean the contacts on the ribbon connector and reconnect. unfortunately getting to the connectors is quite a job, so give yourself plenty of time. if this doesn't cure the fault then the poor connection is on the plasma panel which you cannot repair, the only option then would be to replace the panel.

Oct 30, 2007 | Toshiba 42HP84 42 in. Plasma HDTV

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