I just bought a 27 inch Sharp TV about 3 year old. It makes a continuous quiet hissing sound from the internal components when the set is turned off. Is this normal? Our other TVs do not do this. Everything else seems fine. Picture and sound are both great. Thanks.
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if you say you heard a hissing sound that can be fly back cap or the eht leaking electrolytic capacitors can over heat due to lack of discharge as the are about to open or "bust" best way check for dry joints or any physical damage.
Check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Pull up older posts. Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. http://electronicshelponline.blogspot.com/
I believe you have lost the green channel leaving only the red and blue. It could be an internal connection like a solder joint or connector, or it could be component failure from the CRT to an adjustment pot. Being the set is ten years old it wouldn't be worth spending a lot of money on it. You can buy a 27 inch TV now for almost what a repair would cost. If the picture was very good before this probem you may try to get it fixed cheap. Otherwise it probably wouldn't be worth it.
My 27 inch TV's (A Sony and a Sharp) are pretty old and I would fix them myself if the picture tube was very good.
This may be a very good time to buy considering the discounts being offered. ;-)).
lcd or plasma.
are the lines solid or blurred. do they have sharp edges.
You may have a memory problem with the display which can only be repaired by factory trained technicians, or a brave soul willing to find parts on ebay.
I have a vcr and dvr combination emerson tv a 27 inch and sometimes while playing it will flicker and these horzion lines come in while a program is runing, and then the sound goes way down then comes back up to normal.
You got the right idea,use the ext.imput on you tv and use the vcr to change the channels,you can check the solder conections in the tuner ,ussually the ground gets loose after a while but if you are not too familiar with tv service and dont want put any money in this set use your vcr.If the quality of the picture is still good then is worth keeping it.Let Us know if you need more information.