Question about Hitachi P50H401 50 in. Plasma HDTV

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My hitachi plasma 1080 tv has black horizontal lines on the top half of the screen

Changed the buffer board and now there is black horizontal lines on the top half

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  • Hitachi Master
  • 74,482 Answers

Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 1000 posts to different brand TVs now. Pull up older posts there. Faults to Plasma TVs are described in detail there. Check it. Just see, almost all Plasmas are built on same type chassis and board configuration, so the fault to these sets too will be almost the same in nature.

Posted on Oct 25, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: my tv is hitachi 55pd plasma

Hitachi did in fact stand behind their product and resolved the problem. My hats off to them! Panel was replaced due to faulty ribbon cable supplying signal from one of the drivers. Unfortunately for my specific issue there wasno other solution as the ribbon cable in sealed inside the glass panel.

Posted on Jan 17, 2008

SOURCE: hitachi plasma tv 42pd380ta problem

Hi, the ysus board on the left side looking from the rear of the plasma has blownup, this is a very common problem with 42PD380TA, if the unit is under warranty you are lucky otherwise hitachi charge alot of mooney for service kit.

I have seen 7 hitachi plasmas in 3 months all with the same fault.
HITACHI dont accept there is a production Fault

Posted on Jan 23, 2008

  • 1 Answer

SOURCE: 42EDT41 Plasma

Found a professional service tech who fixed my problem over the phone. Hire with confidence at a fraction of the cost you been quoted. He guaranteed his work and will ensure problem is resolved. Contact Dave at 503-432-9904. He has several postings on this site. My TV is still working fine.

Regards,
Paul

Posted on Oct 11, 2008

  • 3 Answers

SOURCE: vertical lines on screen

1. Frist on the BURN MODE.
2. Check whether same
Vertical lines on screen ?? 3. If yes ..?
4. Then change the LOGIC BOARD or PDP

Posted on Jan 13, 2009

agibbsholden
  • 30 Answers

SOURCE: Black line on plasma tv

hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works

Posted on Oct 30, 2010

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Related Questions:

1 Answer

Have horizontals lines in fuel screen hitachi 50" plasma


un do the latches on the ribbon cable of the buffer board, pull the cable out then put back in as even as possible line it up good. Then grab the cable with both hands and push it in kinda hard, but careful. then close latch. do this to all three cables. play with it till all lines are gone.

Jun 05, 2014 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Black horizontal lines on screen on my p50h401a plasma tv after replacing upper buffer board


Hello, the problem is with the buffer board ribbon cable. You have to really force them in there till you see no more lines, then close the latches in place "try using both hands" and press into the board HARD :)

Jan 16, 2014 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Hi have a samsung 42 inch plasma, all of a sudden it has a band 20cm wide of dotted lines going across the whole screen, some channels or when playstation in use the band gets wider, does not seem to...


if the band is horizontal your tv has bad y-buffer board. Usually there are 2 buffer boards- top and bottom. if the problem is in the top half of the screen replace the top board, otherwise replace bottom board.
but better to replace both a the same time.

if the tv has a vertical lines from top to bottom it may have bad plasma panel and can be considered as not economical to repair.

Oct 03, 2012 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

LG 50" plasma PDP50X4 only shows top half of screen, sound and top half of screen work fine....Help!


That's a relatively easy one - you have either upper or lower Y-Sustain buffer board gone bad.

if the last chip of the upper buffer has failed you may get what you get, even that this is a relatively rare type of failure.

The same would happen if the lower buffer is bad although this is again somewhat rare for a failure for those boards.

Either way you need a new buffer board and I'd start with the lower if I were you.

I assume nobody has messed up with the TV because another possible explanation would be the two buffer boards were disconnected from each other.

The best is they are neither too expensive nor hard to replace.

Hope this helps!

Oh, here's a link with something more about those boards although I am not sure it would apply to your particular case...use it as a good educational resource, but don;t expect to have the exact problem described there:
http://blog.coppelltvrepair.com/2010/10/vertical-or-horizontal-color-lines-in.html

For more help please use www.coppelltvrepair.com/diagnose ..

Sep 30, 2012 | LG Televison & Video

1 Answer

Tv has white horizontal lines across screen you can still see what ever your watching on the screen its just distorted becuase of the lines if i disconnect the 3 ribbon cables on the top y buffer i...


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.
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

Sep 15, 2017 | Philips 50PF9830A 50 in. Plasma HDTV

1 Answer

Hitachi 50" hd TV displaying black lines on screen


Sounds like your YBL-Y Buffer lower board is going out. There are 3 boards here. The Y buffer upper which controls the top half of the display, The Y buffer lower controls the bottom half and the Y-SUS main control those two boards. They work in unison. Usually if one goes out you have to replace all. You can also get lucky and just repalce the YBL and all may be well. Now if they are vertical lines up and down the OSD-On screen display, then this is indicitive on dry solder joints on the D, G E, F boards. Hope this helps...

Jun 29, 2010 | Hitachi P50H401 50 in. Plasma HDTV

2 Answers

When you turn the TV on the screen splits in two,


it sounds like one of your buffer boards are going bad. these are the boards that help put the picture on the screen. there are 2 boards an upper and a lower board. if you remove one and turn the tv on you will get half a screen. see then if you get the lines. please leave rating after you check.

May 10, 2010 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

JVC PD-42DX6BJ plasma 42 inch black horizontal lines over the pic


Here's a link to order the original the JVC upper Y-buffer board and lower Y-buffer board for this model from a major parts distributor if needed:


JVC "PD-42DX6" Replacement Part Upper Y - Buffer Board (LJ41-02760A)

JVC "PD-42DX6" Replacement Part Lower Y - Buffer Board (LJ41-02761A)

Based on the symptoms: It is possible that the Y-buffers are faulty, which may require the replacement of the Y-sus board as well. You may want to get a local technician to diagnose the unit and provide a second opinion.

Apr 01, 2009 | JVC PD-42DX6 42 in. Plasma Television

1 Answer

Screen Problem


hi....Your tv picture is managed by several boards, the two specific ones are the ysus and the xsus. The Y controlls the horizontal pixelation and the X the verticle, if you are having horizontal problems then its the Ysus thats faulty, on this particular set, the Ysus board has two accompaning buffers that are particularly troublesome. I've had more than one of these sets in the shop recently with the same ailment.Sounds like your buffers are starting to go out. The screen is split horizontally by the two long skinny buffers attatched to the Y main, if the bottom one has one leg in the grave you'll be getting a partially black screen or no picture at all. The colored lines running through the screen are more typical of a failing buffer. Are you interested in taking this set apart and putting a couple hundred into fixing it?  When buffers go they usually take the Y main too. Worse case scenario you're gonna be out about $350 dollars to fix it yourself. Best case, a ribbon is loose on the bottom buffer and with a dismantle you'll be able to connect it again..

thank u rate me!!

Feb 12, 2009 | Philips 42PF9630A 42 in. Plasma Television

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