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Diagonal lines through the picture of Samsung DLP set.

This set is about four years old and the warrenty has just expired.
Sometimes the diagonal lines in the picture will clear up after about fifteen minutes.

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  • jusbpow Jan 10, 2009

    I had the same problem and now my lines are permanently present.  They run diagonally across the whole screen - looks like from left to right.  My television is about the same age.

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  • Master
  • 790 Answers

Hi

where the line is coming out? from left to right of your screen or bottom to top?

Thanks!

Posted on Dec 27, 2008

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1 Answer

Diagonal lines in picture


Diagonal lines are usually called "retrace" lines and are caused by a issue on the CRT board or the master screen being set too high.

Jun 26, 2012 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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Good sound but scrolling picture with diagonal lines. Zero quality.


Check the vertical synchronisation section. Either the set lose vertical synchronisation signals, or the vertical oscillator is oscillating out of frequency. The work is a skilled one, and you must have through knoledge in electronics to follow.

May 14, 2012 | Zenith Televison & Video

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White lines across tv screen


Without seeing the lines I can't be sure what your set has wrong, but here are a some possibilities:

If the lines are lines are confined to the top inch or two of the screen and the picture looks otherwise normal, the trouble is bad capacitors in the vertical output circuit. Fixable by replacing the bad parts.

If diagonal lines are across the entire face of the picture tube and the picture looks washed out, the trouble is often a bad capacitor on the 200-volt line to the picture tube. This may be on the main circuit board near the horizontal output transformer, or on the small circuit board plugged onto the end of the picture tube. Again, replacing the bad capacitor can fix this.

If your TV is actually an RCA, someone may have bumped a rear-panel adjustment. On the back of the TV near the bottom right are two small knobs. RCA left these adjustments exposed inside of putting them inside the set like other manufacturers. These sometimes get bumped if someone was behind the set cleaning, or if a pet got back there and hit them with a tail. The top knob adjusts focus, and the bottom knob adjusts something called G2 or screen voltage. If this gets turned up too high it can cause the faded picture and diagonal white lines. Turn the adjustment down until a black screen looks black instead of gray.

A bad picture tube or horizontal output transformer can also cause lines through the picture. If this is the case with your set, it's time for a new TV. The transformer is relatively inexpensive but labor costs aren't, and the repair bill may exceed $200. If the tube is bad, there's no point even considering repair. The tube cost alone exceeds the cost of new TV.

Hopefully your lines are easy and cheap to fix. Good luck, and thanks for using Fixya!

Jul 22, 2011 | RCA F35673MB 35" TV

1 Answer

I have a tube tv. the picture as lines and is blur that goes in and out.


If the lines are colored DIAGONAL lines, they are referred to as "retrace lines," which indicates either that the picture tube bias is set too high, or the brightness level is set too high.. If the blur occurs when the image is particularly bright or a particular color is bright, it is referred to as "blooming." This is caused by either a weak high voltage circuit or because the picture tube bias is set too high.

Is the picture set very bright? Try reducing the brightness control to a level where the retrace lines disappear, and reducing the contrast control below the level where the blooming occurs.

If the television is more than ten years old or has many hours of use, the picture tube may simply be deteriorating normally. By nature, they have a limited life span. Before you decide to throw the set out, if you are technically-inclined, try adjusting the bias and screen drive controls for the television as recommended by the set manufacturer (you didn't specify what make or model the set is), and you may get a few months or years of additional life out of the set.

Jul 05, 2011 | Televison & Video

1 Answer

42 inch Samsung DLP TV shuts off by itself. I can turn it back on and sometimes it stays on and other times shuts off within seconds. Some days it stays on all day without a problem. Other days it shuts...


I bypassed the safety switch (it was bad) and vacuumed and blew out all of the dust. So far with this set, 3 years old, I have replaced the bulb twice,it exploded both times, and the color wheel which also exploded! We love the picture but the next time it goes out, it goes out to the trash and I will purchase a top of the line LED/LCD set. No moving parts!!! Samsung designed and manufactured a whole bunch of lemon sets and will not admit it. I have found several hundred complaints about their DLP sets and only a few on other brands.

Jul 31, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

I also have diagonal lines running through picture. However, when


HI, the PIP runs through a separate stream and, is separate from the main. these lines are being produced by a failing DMD or, Light engine. You will need to replace this failing board soon. it is failing slowly.

Jun 25, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

Corner tints and white lines


it can be a picture tube problem. moreover, check if your tv is dusty inside it . clear it with blower and try again.


regards,

Jul 31, 2008 | JVC AV-32120 32" TV

1 Answer

Diagonal green lines on a green screen


It is possible that the electron-gun inside of the CRT is having an intermittant short. It is also possible that there is an intermitttant failure in the bias or drive circuits for the CRT electron-gun.

The TV service tech would have to run some tests to determine the actual fault, and then the failed components.

If the CRT is at fault, the set will not be worth to service.

Jerry G.

Apr 25, 2008 | Televison & Video

1 Answer

Green Screen


It can be a result of dry solder joints on the CRT base PCB, the PCB you see on the end of the CRT. Resolder all the joints on that board perfectly and thouroughly and this will be alright. Good luck.

Jan 14, 2008 | Samsung TXN3245FP 32" TV

1 Answer

Samsung dlp


do they look like jail bars ,running from top to bottom.

Aug 30, 2007 | Samsung DLP HL-P5663W 56" TV

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