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How do you control the vertical component of 1989 hitachi tv model4066x? There is a black strip along the upper quarter of the monitor

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Check all the capasitor around the vertical output area one of them might be your problem

Posted on May 23, 2011

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Posted on Jan 02, 2017

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1 Answer

Picture went black except for partial green and blue lines &2 thin red lines


Vertical scan section circuit fault. Check and replace damaged component/s at its vertical scan output section circuit. If you wish to get some details, check the site linked here. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

Jan 17, 2014 | RCA MM36100 36" TV

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

1 Answer

The tv has two black vertical bands down the picture. one band is 3 inches wide, while the other is 1 inch. all other functions are normal.


Hi

This is not really a very simple fix but it can be done if you are ok with stripping down your tv, Please see the following video.
Hope this helps

Apr 05, 2010 | Hitachi 42EDT41 42 in. HD-Ready Plasma...

1 Answer

How to adjust vertical size my hitachi c29-r30sp


You could go into the user menu and look around to see if it has an adjustment. If not you will have to access the service menu for your tv. There may be a setting to adjust vertical size there. If that still isn't possible you may have to open the tv and look for a pot or a switch that can control the vertical adjustment. It may be by the vertical output circuitry. This could also mean that you have a defective component in the vertical circuit or inadequate voltage to that circuit.

Mar 11, 2010 | RCA F27440 27" TV

2 Answers

Black vertical strip on Hitachi plasma


seems like a lose ground issue from the vertical scan board which usually causes this problem. A scan board repair or replacement should fix this intermittent problem.....take it too your local repair shop before this problems spreads and the tv totally shuts down....

Nov 03, 2009 | Hitachi 42EDT41 42 in. HD-Ready Plasma...

1 Answer

Whats the solution


at the vertical stage of the tv there is a capacitor that is weaken and need to be replaced.

do this by testing all the capacitors on that stage.isolate it and replace it with the same type

Apr 10, 2008 | Hitachi SuperScan Elite 802 21" CRT...

1 Answer

My monitor showing a white strip in the middle.


I suspect that the white strip is horizontally across the screen? This is definitely an electronic fault and indicates that the vertical deflection circuit has failed. In TV and monitor jargon this is known as field collapse. Open-up the monitor (switch-off first!) and look for any obvious bad connections on the board known as dry joints, especially around large components. If all is fine, then replace the vertical field integrated circuit. If all this sounds like mumbo-jumbo then rather refer servicing to a qualified tech, and try to get him/her not to rip you off by citing all the above lingo. Good luck.

Jan 11, 2008 | Nokia 447Xi (White) 17" CRT Monitor

1 Answer

Weird TV


the audio is perfect, but the screen vertically squeezes to about a quarter of an inch and stays horizontally regular. it is due to vertical section of your tv has failed. it is a common problem if you are not a tech person call tech to fix it. solution 1 check vertical section supply. 2 check components in vrtical output stage. 3 check vertical output ic. 4 loose contact in vertical section it is not a major ptoblem. good luck.

Oct 06, 2007 | Panasonic CT25G7 25" TV

5 Answers

Black line in center of screen


These black lines on the plasma screens are very fixable.  There is a dry solder joint on a circuit board at the bottom of the plasma that needs resoldered.  There are 6 or 7 "ribbons" along the bottom of the screen that correspond to vertical sections of the display, so you just follow the black vertical line down to figure out which one is faulty.  I just performed this fix successfully on my first attempt on a Gateway plasma, but it will work on most plasma's, specifically Hitachi, gateway, LG, Hyundai, & Akai. I think they may all have LG boards, my gateway did.
I can't really describe very well what to do, but I assure you it is fixable.  If anyone is near nashville, I might be able to help you out.  My email is tomp2000@juno.com.
thanks,
ST

Jan 18, 2007 | Hitachi 42EDT41 42 in. HD-Ready Plasma...

1 Answer

Hansol 730E CRT monitor


REPLACE THE BOOSTER C 5,6nF-1600V

Oct 18, 2006 | Hansol 730E 17" CRT Monitor

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