Hello [Sir/Ms], My name is XXXXX XXXXX Thank you for posting your question on Just Answer! I will be happy to help you with this problem,
this is a T-conn board issue
First let me say sorry I don't have a quick fix for this problem.
The problem you are describing is a very common one in LCD sets like yours. The T-conn circuit has failed and will require board replacement in order to get the set working again. This repair should be done by a qualified technician, these sets can be dangerous to someone who does not know where not to touch, also it is very easy to cause more bad than good if you don't know what you are doing. If your going to complete this repair yourself please let me know and I will give you instructions on how to complete this repair. Parts can cost you anywhere from 50-100 bucks depending on where you buy them at. But remember I have seen quite a few people destroy perfectly good sets by not knowing what they are doing so just take that as a caution.
A good repair shop will run you somewhere between $100-$200 to repair this for you.
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Hi rick and thank you for your advice! I have some experience for fixing electronic devices, so I will fix my TV set by myself. Can you give me exact details on how I can fix it? What parts would I need to purchase and are there any stores that sell them or do I have to buy them from certain websites (if so, which ones?)? Thanks!