Question about GE 25GT538 25" TV

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GE 25GT538 bad lower cable channels

The lower channels 2-7 have wavy sort of static like lines that go across the entire screen. The picture is still visible, but annoying. The rest of my cable channels (8-65) are fine and clear. I looked through your database, but didn't seem to find anything, in the 10 pages I went through, relating to this problem. I was told it may be the cable box (don't know the correct name) inside the TV. Is there a website, that has good diagrams, I can buy this part from? My tv is a GE Model 25GT538.

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Re: GE 25GT538 bad lower cable channels

Try a certified television technician it`s a common problem

Posted on May 01, 2007

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Wavy horizontal lines across the screen

It sounds that the main power supply section to your TV has the fault. The horizontal thik lines that appears crawling down across the screen should be of video 'HUM'. Have you replaced the main filter capacitor at the power supply section? If not, replace it along with the main rectifier. The AC power is rectifed by a bridge and applied ot this main filter capcitor. It will have a capacitance value between 120 to 350MFD 450VDC. Check this section. Measure the rectifed DC voltage acorss this main filter capacitor. It should be around 350VDC, if your home power supply line is 220VAC. If it is 110AC, this DC voltage will be around 165VDC; and it should be. If rectified DC voltage found lower than the input AC voltage, replace the rectifier bridge. In some sets, this bridge section have four diodes. Some other circuits, a bridge rectifier stalk may be used.

May 20, 2012 | JVC AV-27050 TV

1 Answer

Split screen, kind of inverted w/white wavy lines

It is a calibration problem, let me see if I can find some schematics for your tv.

Jul 19, 2008 | Panasonic CT-32SL14 32" TV

1 Answer

Vertical line flashes on tv screen

Picture problems are surely among the most common technical issues experienced by home TV viewers. Such problems may manifest themselves as pixelization or frozen pictures, intermittently flashing pictures on one or more channels, static or audio degradation, or channels that are missing altogether. To address these problems, you can always contact the technical support department of your cable TV provider and have them walk you through troubleshooting steps, but it is wise to learn how to fix problems like this on your own without consulting any outside help. Doing so can save you lots of valuable time and money in the long run.

1.Reset your cable TV equipment by unplugging the power cords of any digital cable boxes/DVRs you use in the home. Count a full 30 seconds and plug the equipment back in. After allowing the device enough time to complete its boot cycle, check the picture again for any improvement. A cable box in need of a reset is by far one of the most common causes of many different picture degradations, so this is a necessary first step.
2.Check the audio/video connection cable or cables that attach your cable service equipment to your TV. Loose or malfunctioning cables are also a very common cause of picture degradation. Secure any cables that may have come loose and replace any visibly damaged cables. If you think the cables may be failing, you can temporarily test them by plugging another audio/video connection cable from the cable equipment to the TV and checking for any improvement.
3.Scan through your entire channel lineup as well as all the input channels on your TV. This will help determine the scope of the problem and how to most effectively troubleshoot the issue further. If you see the vertical lines on only one or a few cable channels, the issue is much more likely with the broadcaster or your cable provider, and you will need to report the issue to your provider. If you see the vertical lines on all channels and all video inputs, it is more likely that the TV's picture components are beginning to fail, and you will need to have the TV serviced or replaced altogether.Thanks for using FixYa, hope this will help your problem.

Oct 19, 2011 | Standard (CRT) Televisions

1 Answer

Wavy Lines

some type of electrical feedback try upgrading your cables or tightening the ones you have. what might work best is a line conditioner i filters out any feedback you may be getting and cleans your power supply they cost from 50.00 and up best buy or circiut city both carry them or online as well

Jul 17, 2008 | Sony KP-53HS10 TV

1 Answer

Long power up time, wavy "static" lines, and red/orange problems

part of it sounds like your coax cable is not connecting properly. pull it out and make sure the pin at both ends of the coax cable is straight if bent replace coax cable.

Dec 28, 2007 | Hitachi 32UDX10S 32" TV

2 Answers

Color line across the center of a black screen

Hi. this is caused by dry solder joints on the frame o/p IC. Resolder all legs of frame chip. Should sort that out.

Sep 06, 2007 | Toshiba 32A60 32" TV

1 Answer

Thin vertical line

What you have described is definitely some form of Electrical Interference. Interference can come from a variety of causes. Is the Cable Inputting the Cable Box close to some High Voltage Electrical Lines? Or Are you located near some Electrical Power Station? Or A Police station, where the Radio Transmitter of the Police Station causing the Interference? As I said, there are a variety of reasons. Also, Try to check if the connector is loose at the rear of the Cable Box, or at the rear of the TV. You will have to eliminate every possibility reason. Wish i could help further.

Jan 21, 2007 | Mitsubishi CS-35405 TV

1 Answer

Emerson TV EWT2721 27"

Did the TV get pink with the wavy lines all at once, or did it start out gradual? If all of a sudden, then a defective part on the CRT control board or the picture tube itself could be going bad along with some components in the video section of the set. Probably not a cheap and easy fix I'm afraid.

Jan 01, 2007 | Emerson EWF2703 27" TV

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