I have a sony 27 inch tv that is 12 years old. When we got back from vacation I noticed horizontal lines in the picture. If I lean it forward or bang on it the picture returns to normal. After awhile though the lines return and I have to bang on the tv or lean forward to correct the picture. I did have a few instances where I turned the tv on with no picture present. If i move the tv a little bit, after awhile the picture comes back. I am about to get a new tv, but will get it fixed if it is a small problem. Thanks.
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Re: Sony tv problem
You have a loose solder connection or two. If I knew the model number of the set, I could be more specific. I would expect the repair would run about a hundred dollars, so make sure the picture quality is great before going to the expense.
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without seeing the set this is a hard one to fix if the button is slack when you press it then the button is going to be the problem otherwise it could be a transformer that has gone in the set, 12 years is a good age for a tv so i would suggestreplacing it with a new lcd or plasma.
Hi there yes this is a common problem with old tube tv's and yes eventually stuff seems to break down there is not alot you can really do about it to be honest ...my suggestion is that this is lifes way of saying upgrade ...this tv has done well ....if your looking to upgrade i would suggest going to a Samsung LA26C450 as a replacement television or if you are not so much a fan then a KLV26BX300 as a new option ,
the problem there is a loose connection on the board,you said that you smacked the right side of the tv and it goes normal.there are parts that should be resolder on the board in order to back into normal operation.
This problem sounds like a short inside the picture tube itself unless a driver transistor failed that drives the red gun in the CRT. You may have to take it to an authorized repair facility if the picture tube is still in warranty.
Your whole problem my freind is dryed up capacitors. You should go, if you have the technical ability to replace these capacitors, to http://servicemanuals.net, download the schematic diagram, and start replacing the waveshaper capacitors in the vertical drive circuit.
Your problem sounds like the stk type regulator.. Itsnot a really expensive part BUT on a set this old yes you can repair it but also your gonna be repairing it more and more as the capacitors are drying up and the circuit is getting brittle. I wouldnt invest anything in this set. time to make a boat anchor out of it!