Question about Panasonic CT-27G14 27" TV

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Horizontal white lines on top of screen

For the past 2 weeks thee are about 15 white horizontal lines near the top of the screen going all the way across - with regular cable or dvd's - is there a way I can get rid of them - have tried adjusting the brightness and some other settings etc but nothing seems to get rid of them

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Re: Horizontal white lines on top of screen

When i turn on it i seen 3 to 5 white horizontal lines near the top of the srcreen same when i used dvd the picture have slide seen in the cable same in the dvd when i open these.

Posted on Oct 02, 2008

Re: Horizontal white lines on top of screen

Try to adjust the screen control in the flyback transformer. good luck

Posted on May 05, 2007

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Tv has horizontal line in middle of screen,sanyo ds25390

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it looks to me that you are not a technician becouse you are measuring at the wrong places risking a hazard shock if you have a little experience get the service manual and check your power supply and the h v capacitors near the horizontal output if not please take it to your service center

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My 15 year old Toshiba Televisiononly shows a narrow horizontal band in the middle of the screen. Sound OK.

Hiii fairley,

You aren't specsificly dercribe yor tv set.
For common TV horizontal problem ;i.e : White line accross the horizontal screen, horizontal band,'s can solved by replacing the IC Vertical/Transistor, and olso to replace the cap nearest the IC.

For common TV Vertical Problem :i.e : White line at the center of the screen (top to bottom),Vertical band,etc...It's can cure by Replacing the Horizontal IC/Transistor,and offcurse the cap's.

Tha's what all I know....

Hope can help you to solved the problem.



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the problem of your tv is in vertical section, to be sure change all the capacitor in vertical section.

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3 Answers

Horizontal white lines across top of TV screen

Hi I had the same problem. Broken white lines across the top of the screen. This is called overscan. You need to go into the Setup menu, other settings. 16:9 overscan needs to be on. Hope this helps.It solved our problem.

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The faint white lines at the top of the screen is the warning that the pump-up capacitor in the vertical output circuit is going bad and the output itself is about to short out. When the TV stops working, the vertical output IC has finally shorted out. Replacing the vertical output IC, the pump-up capacitor and possibly a small value resistor next to the flyback (B+ for the v-out) should bring the set back to life.

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32 in RCA MODEL NUMBER f32650

TV FINE UNTIL 2 NIGHTS AGO HAVE HAD 4 YEARS, STARTED HAVING A FOGGY SCREEN WITH WHITE HORIZONTAL LINES. HAS SOUND A FOGGY SCREEN WITH WHITE HORIZONTAL LINES. called retrace lines please check 1 screen control on eht transformer is mituned 2 supply to screen of crt 3 supply to rgb video output is absent 4 connector loose 5 crt base loose thanks

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