Can caps isue cause tv not to come on at ll. no lights no click sounds nothing
Defective capacitors can cause all kinds of faults, so, yes, your capacitors could be the cause of the fault you describe. Replacing such capacitors is not always easy, because manufacturers sometimes use multilayer circuit boards where the contact is in an inner layer of the PCB. However this is not always the case. If he PCB on which the defective capacitors are located can be removed it may be a relatively simple job for someone skilled in the art of soldering to replace them. Otherwise, it is a job for a professional TV repair technician. It may be possible to replace the card with another, or to take it a Samsung service centre for repair. You are likely to discover that it is easier or cheaper to buy a new TV,
There may be other problems with your TV that is causing it not to turn on.