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Horizontal squiggly lines blurring the picture

The tv gets squiggles horizontal lines starting at the top it use to clear up after the tv warmed up but now it does it all the time.

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  • Televison & ... Master
  • 14,553 Answers

If its a Toshiba some years old it is the Hyper board bad---a brand and model number are not indicated on this question.

Posted on Nov 03, 2012

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: lines in picture

I had this problem around the time my TV was 3 years old. I ended up having to get it repaired at a TV repair place, it cost me $375.

Posted on Nov 28, 2007

  • 1153 Answers

SOURCE: picture is very dark and horizontal lines

c2p05

Posted on Mar 12, 2008

tvguy171
  • 106 Answers

SOURCE: screen gets horizontal lines and jumpy screen.

Your problem is capacitors CP204 and CP205 by the 9 volt regulator on the main board. Cp204 is a 47 microfard @ 50 volt and the other is 100 microfard@ 16 volts

Posted on Nov 27, 2008

MNfisherman
  • 11896 Answers

SOURCE: Mitsubishi TV had horizontal lines across the screen and rolls up

Answer
ONE: Yes, the speaker mounted close/near to the set can be a cause of mischief; please move it further away and see if that helps clear up the problem. But, you must keep it away for several days before you will know for sure because it takes some time to degauss all the internal parts that may have become corrupted by the magnets in the speaker.

TWO: Yes, any set can be repaired the question is cost and wisdom. Old sets are sometimes not worthy of the repair simply because of the likelyhood that another failure will follow soon after. A big screen always invokes a repair charge of $200 and up. After a few of these you will wish you had put all the money into a new set!

THREE: The lines are most likely a problem in the vertical blanking circuits of the set. These are horizontal retrace lines that are supposed to be blanked out during vertical retrace of the raster. Think of it as a paintbrush that scans across the screen painting thin lines and when you get to the bottom of the screen it goes quickly back to the top, but during that time the horizontal, which is many times faster, has made several sweeps; so it must be blanked out during the retrace. The repair involves finding the guilty parts and replacing them. Usually this repair runs over the $200 somewhat.

FOUR: Prior to calling in a service tech try a hard reset to see if that will recover any of the circuit degradations. Merely unplug the power cord and leave unplugged for 4 hours or more. It may help. Or, it may not help; but worth a try since is won't cost you anything.

If the set is over 5 or 6 years of age it probably is not a condidate for any expensive repair. On the other hand, it is a Toshiba - and they make a fine set.

Hope this helps. Let me know if you have further thoughts.

Posted on May 09, 2009

techman
  • 3130 Answers

SOURCE: when i turn on the tv there are horizontal lines

is this a Mitsubishi Projection TV set?

Posted on Jul 06, 2009

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1 Answer

White, squiggly lines on TV screen


This fault is technically called 'retraced lines'. There are many reasons for this fault. It will be best to contact any service technician. If the screen voltage to CRT is abnormal [higher than normal]; this kind of fault can occur. 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/
One among the post have details about this fault "Retrace lines with picture".

Mar 03, 2015 | Televison & Video

1 Answer

Samsung TSL2793HF - Slight Right Side Pincushion and Horz Line Bottom to Top Until the TV Warms up


Yes, this is rare but I have seen it before--not fixable if it is what I think it is----It is what is called a Dome effect---the shadow mask in the picture tube is actually contracting and or expanding depending on temperature---

Directly behind the phosphor coating (the stripes that you see on the screen) is a metal screen--the holes or perforations in it line up with the stripes on the phosphor screen.

Some masks either have a material or a defect causing the dome effect----Not likely to be anything else---a Pin amp problem will not usually act the way you describe but a shadow mask inside the picture tube will act exactly that way.

Dec 02, 2012 | Televison & Video

1 Answer

Horizontal lines shadowed / blured picture after 20-30 minutes


There are some semiconductors or capacitors that are leaky. Might need thorough check up inside the TV.

Jul 07, 2012 | LG 55LH40 55 in. LCD HDTV

2 Answers

GET SOUND BUT NO CLEAR PICTURE ONLY HORIZONTAL LINES form bottom to middle black blur lines


Video output section of your tv is in trouble. Either it not gets proper voltage [low voltage if voltage is there]; or video output Ic or transistors whichever used may got damaged. Never switch on the tv in this condition; that picture tube may get damaged. Get it repaired soon.

Oct 14, 2010 | Philips Magnavox 20MT133S 20" TV

1 Answer

It started out with alot of different colored squiggly lines it would clear up after about ten minutes but it just shut off yesterday the red button on the front still flashes though


Especially Projection TVs will shut down to protect the projection tubes because loss of proper scan can burn an image into the phosphors in the tube itself. The squiggly lines most likely are a symptom of a failure in the Horizontal output section (the part that scans the picture from left to right), there is also a possibility of the Vertical output section (the part that scans the picture from top to bottom causing the problem. This will require replacing a circuit board or repairing the one in the set at a component level. This is best left to a qualified Technician to do the work.

May 29, 2010 | Sony KP-61HS30 TV

1 Answer

KV36XBR400 fragmented picture horizontal overlapping lines


this will continue to degrade, almost any failure that can be affected or temporarily cleared up by hitting the set is caused by bad solder joints.

A good shop should be able to find and fix the bad solder connections for probably a little under $100
if you bring it to them and pick it up.

Feb 10, 2009 | Sony KV-36XBR400 36" TV

1 Answer

Green lines


Due to vertical section failure horizontal line apprears. You did not mention about picture. Green horizontal line means with picture or without picture. With picture means there is some leakage. Without picture only singe horizontal line means vertical section totally not working. Particularly green horizontal line means maybe leads to jungle ic failure. Please mention your simptom clearly what you get and what you will not get both video and audio. It will be helpful to answer. Based on your question this is my small information.

May 24, 2008 | Sony KV-35S42 35" TV

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