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Re: sonya ds27910 tv
From the given symptoms it's very hard to determine what the exact cause might be. If you have some troubleshooting skills and a multimeter you can start by going through the power supply, starting with fuses etc. If you do not have such skills then you probably shouldn't be messing with the insides of a TV 'cause you can be seriously injured.
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Hi derrick i`m going to help you with your tv but first; Did you try and replace the fuse? Sometimes the fuse will blow after a power surge or black out. And could you give me your tv`s brand name and model number so i can assist you further ?
This could be attributed to tuning reception of your tv. If your using antenna only, it is most probable. If cable, check your line.
If this is a crt type, moving that tv with that size could somehow bend its circuit board. Loose connection is a probability. Could be some minor component is detached from solder. This can be attributed to tuner and vertical IC.
This looks like a power supply problem. I would advise checking the high and low voltage power supplies if you have a background in electronics. If not (I know this is not what you want to hear) take the set to a shop. I have said this many times and I'll say it many more times. TVs contain voltages that can kill you, not give you a bad scare, but kill you and I don't mean Hollywood dead, I mean really really dead. That being said this looks like the voltages have dropped so low that a full picture can not be mainained.
dont know for sure but i think that the tube is going bad. Have one in my shop doing almost the same thing.Taped on the tube and it does strange things. My tube tester wont test this kind of tube that is in these sets.Not much help but it is a start.