Question about HP Pavilion a1630n PC Desktop

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Screen appears cut into 4 sections with 1 horizontal and 1 vertical line right through the middle.

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  • Bob Wesley May 11, 2010

    Is this problem on all screens that appear or just on your desktop?

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  • HP Master
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It is problem you lcd monitor

tft change

Posted on Sep 08, 2009

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Balancer repair


Normally horizontal line [a thin vertical line across the center of the screen] fault with CRT based TVs is the fault with its vertical scan output section circuit. 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.
http://electronicshelponline.blogspot.com/
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.

Jul 11, 2016 | Televison & Video

2 Answers

TV has a great picture but wont "hold it". Keeps going to a single flat horizontal line across the middle of the screen. Tapping on side of TV used to bring it back but now, nothing. Just a line.


Vertical scan output section circuit fault. Absence of vertical scan causes the single horizontal line on screen. Horizontal scan output section is OK. Contact any service technician to troubleshoot the vertical scan output section circuit. If you wish to get some details; check the site linked here. Pull up older posts.Surf the site with patience.http://electronicshelponline.blogspot.com/
Horizontal line fault to CRT based TVs are given.

Oct 06, 2014 | Televison & Video

1 Answer

Horizontal line running through the middle tv screen, no picture but has sound. TV is a Toshiba.


You haven't vertical deflection.
The ff caused the problem.
1. Dry joints on the vetical section.
2. Blew Vertical ouput IC
3. Open yoke vetical winding.
4. No vertical output from jungle IC.
5. Open supply for vetical ic due to open fusible resistor.

I've suspect that you have #1 and #2 fault. This is not Diy so I've advice you to send to repair shop or look for a qualified tech to isolate the problem.

Thanks for using fixya.

Jan 26, 2011 | Toshiba Televison & Video

1 Answer

When i turn it on it has an horizontal blue line in middle of screen then comes on, when shut down it has the colors in the middle in tight formation then suts off. is it the picture tube


the set having blue scteen when the nosignal condition so blue horizontal line due to failure in vertical deflection section and system control detect the vertical delection failure . so system control farce to set to shut down pls repair the vertical section and system should be ok

Aug 26, 2010 | Samsung SlimFit TX-S3082WH 30" TV

1 Answer

There is a line down the center of the screen


whether the line-shaped vertical or horizontal? if it appears a horizontal line on your side, it signifies the vertical rays do not exit the screen or your TV vertical part is not working. damage can be caused by IC Vertical, or in the vertical deflection coil yoke.dan if a line that appears is from top to bottom that indicates the horizontal section is not working, usually there is a problem of the deflection yoke is not connected or defective.

Jul 11, 2010 | Televison & Video

2 Answers

There's 4 horizontal white tiny lines appear on screen to make the picture become 4 equal parts from top to bottom with many horizontal lines. My TV is Toshiba Lcd(40RV52U)


You have failure/weakening in the vertical section , the retrace lines appear due to the change in the freq.
Check out small value capacitors in this section. confirm by shorting parallel with the right polarity. Unless you are familiar with electronics please do not attempt unless with help. the fault is not very serious and could be attended with low expense.

Jun 30, 2010 | Televison & Video

1 Answer

Ps 27123 have sound, tuning etc only small horizontal color band


Hello bdedrick708,

If what you are trying to say is that you have a 1/4 inch horizontal line across your screen, this means that something in your vertical deflection circuit has failed. This could be the vertical oscillator, the vertical output processor, the vertical coupling capacitor, or the vertical section of the yoke transformer.

If what you are talking about is a vertical line from top to bottom then you are possibly talking about a failed horizontal section of the yoke transformer.

Why so little about the horizontal section of the yoke? That is because if the horizontal section fails completely then you would lose high voltage and no line would be present because you would not have raster (screen light).

In any even check the yoke transformer first. Then work back from there.

I hope this helps,

Thank you,

Shuttle83

llc.com/">http://www.electron-age-technologies-llc.com

Feb 07, 2009 | Proscan PS27123 TV

1 Answer

Tv not showing a picture


Hello e26pitts,

If the line is horizontal then it could be a problem in your vertical deflection section, if the line is vertical then the problem is in your horizontal deflection section. Now for a little more detail.

If Horizontal line is present the vertical section of the yoke transformer is nit responding to current flowing through it due to being open, or the vertical coupling capacitor is open, or even the vertical drive transistor might be defective.

If Vertical line is present the horizontal section of the yoke transformer might be bad. Now this gets kind is easy in a way, because the yoke would be the sole cause of your problem here (maybe there is some circuitry doing some horizontal coupling check that to) because the horizontal section controls other functions that would also respond if this were a horizontal drive issue. In any event these problems should be checked by a qualified TV technician, I would suggest that you take the TV to a repair shop to have it worked on.

I hope this helps
Thank you,
Shuttle83

Mar 21, 2008 | Televison & Video

1 Answer

Samsung ck-5339zb TV


only horizontal line it is a vertical section failure. caution keep brightnenn as low as possible till it is rectified & you put on tv before it this just to avoid screen burn. solution 1 check for loose contact or crack print or loose deflection coil connector. 2 check supply to vertical section. 3 check vertical ic. 4 vertical (50)Hz signalto vertical section. good luck

Sep 27, 2007 | Samsung TXN3271HF 32" TV

1 Answer

White bar on top of screen


It only 1 bar in the middle horizontal? They Call it Vertical Line, sometime looseboard, defectiveVertical IC, Leak capacitor in vertical section. need a Repairman Tech.

Nov 19, 2006 | Sony FD Trinitron WEGA KV-20FS120 20" TV

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