Question about Panasonic CT-27G23 27" TV

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Horizontal Line Hello, the problem this TV is having is that when I turn it on all I see is a horizontal line. The sound still works and I can see colors, but that it.

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Re: Horizontal Line

You have a vert sweep problem. Probably the vertical output Ic the B+ going to the vert out IC or in rare cases the deflection yolk could be bad but not likly.

Posted on Apr 23, 2006

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Where is horizontal scan out put section?

Hi Majid
Just contact any service technician to repair your TV. It will be best for you.
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Hi.. Mine is a sansui tv and I bought it 3 years back. Now it is showing a horizontal line on the screen. Sound is fine but I can't see the picture, I just see one white horizontal line on tv...

The problem is vertical failure. Vertical output section to your TV ahs the fault. You ahve to check the vertcial output circuit for any component failure or loose solderings.

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Horizontal line WITH SOUND is only vertical output stage problem.horizontal line without sound is osc problem.So kindly verfy that.If h line with sound then
check vertical ic and ver supply voltage.

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No picture on my tv and it has a horizontal line mid screen

either your vertical driver or output circuit capacitor(s) defective, try this remove rear cover and with something insulated like a straw prod and poke around the circuit board,sometimes theres a cold solder joint, if picture starts to expand on screen its a solder joint

Oct 18, 2009 | Standard (CRT) Televisions

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I have a KV27FS210 sony wega trinitron tv. It turns on and has a single horizontal line across the center of the screen then buzzes shows a continuous zigzag line from the top to bottom of the screen with...

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Feb 20, 2009 | Sony FD Trinitron WEGA KV-32FS100 32" TV

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,


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1 Answer

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Failure in the vertical deflection amplifier section. This is usualy from failed components, and sometimes cold solder connections. Most of the time, I found bad capacitors, and sometimes the output IC or transistors (depending on the model type) that have failed.

Take the set to a service center for an estimate. You may find it more feasible to buy a new set depending on the parts that failed and the time involved to do the work.

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1 Answer

GE 35GT168

If you indeed have a line down the center of the screen that means the horizontal output transistor is working as it produces high voltage as well. The rectifiers are working otherwise you would have no power or sound. What you need to look at is either the horizontal windings of the deflection yoke are open or you have a open return from the yoke to the horitontal output stage.

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