I have no sound or picture on my television, but there is a little red light that is on, and it makes a noise like it is turning on still. so it aoppears to be gettnig power. any suggestions to fix this?
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Re: No sound or picture
You may have a problem with the switching power supply or the high voltage power supply. Because these two power supplies output hazardous voltages I would suggest that you take this to a shop for repairs.
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how old is your tv?? ours was 2 1/2 yrs old it was a 40in lg hd ready lcd tv it just crackled and turned off one night same as yours it would turn on but with no picture or sound....we took it for repair and they said it was something inside that is basically impossible to fix...it would have cost more that the tv itself. BUT trading standards say a brand new tv should last upto 3yrs...you need to get a free qoute nd if they cant fix it contact trading standards and the tv MANUFACTURER not the shop where you got it....you NEED a reciept to do this for proof of when you purchased it...hope this helps :0)
It sounds like the High voltage transformer has gone out. If you open the back of the tv and look on the right side, you will see a large (4 - 5 inch) black cylinder with a large wire coming out of the top. without touching anything, look and see if it is cracked.
the picture tube is most likely not out. but there is a problem in the high voltage transformer part of the set( this is what fires up the picture tube). a problem like that can be just as expensive as a new picture tube. if it's not still in warranty it would be cost prohibitive to repair.
Sounds like there is a Power Supply problem. Maybe a common problem of the Electrolitics drying up. This can also cause the Power Supply to short circuit and resistors can go Open Circuit. Get a Technician to look at it.
You already hit the nail in the head,the problem might be the actual conector loose inside the set or the tuner has loose conections to the main board,the shell of the tuner is the ground make sure the conections are solid,if you are familiar with tv service this will help but if you are not too familiar be safe and call for help,right now it should not be expensive.
Sounds like you have a short somewhere, probably the Horizontal Output Transistor. If there is a fault the led you mentioned probably should be blinking. You probably are going to need a tech to look at this as it is a very complicated process of elimination.