Sound goes out after a while

in the customer menu select convergence when set acts up---look to see if grid of lines is skewed, see some photos and let me know if your problem anything like this..........

if you can get another one for a reasonable i would certainly consider that. the cost to get these lcd's fixed sometimes is not worth it. you seem to have more than one problem with the set.

A $700 dollar estimate for a sound problem seems out of line - get asecond opinion (did some one look at it or just a guess). If the sound eventually comes on you probably have a connection (internal) problem or a intermittent part in audio section -cap o/p IC.
If you use a satellite or cable box can you hook your sound from that to an audio system thereby bypassing the TV?

A 10 blink code on this model is usually and ic that has gone out on the d board. If your a novice at tv repair call a service center.

a tv has two components, firstly a power supply produces high voltage to trigger a line transformer, in turn a transformer produces smaller voltages. firstly check if the ht is constantly been produced from a supply, if this is there than go to a line transformer, and check voltages at the output.

Sounds heat circuit related, and if under warranty you should notify them before you have to pay for the tuner or sync board.

This problem will need to be repaired , it is most likely the EPROM chip or controling circuts

It soulds as of your solder joints are getting old and starting to crack. If the screen goes completely black then I would resolder all the major solder joints on the main PC board, and if you mean that the screen goes to all snow (as if the cable went out) then I would also pull the tuner and resolder the joints inside it too. If you do not have experience soldering on small PC boards then allow a qualified tech to handle it for you. The fact that it works sometimes means that all major components are fine and the repair shouldnt cost too much.

The first thing to check is for loose conections,the problem is related to the high voltage but it can start in the main board with one component loose,when the high voltage is developed it goes to what is call the distributor block,a lot of sets have the focus and screen controls coming out of this block for each picture tube,this block might be bad but before we go to him we need to check everything is solid in the main board.If you are familiar with electronics you can remove the back cover and tap the chassis with a wooden or rubber handle to see if the set reacts,if it does you need to be atentive what area makes it react and flip the board to do some resoldering,If you are not too familiar with tv service you need the assistance from a servicer.Let Us know how it goes or if you need more information.

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