My tv is changeing channels and turning on and
This happens when the tuner's tuning voltage is incorrect, something has failed to do with the tuner, or the power supplied to the tuner, this is causing the erratic behavior. Unfortunately, this is only a SYMPTOM,and not the CAUSE, the cause can, and are many and various, when we get set like this in my shop, it is any one of a number of things, usually, involving, the Tuner, and also the Power supply, and components feeding it along that power rail. It shouldn't be too expensive a repair.It is my professional recommendation, That this set should be removed from the Power, and in my professional recommendation, you should get a "Quote" for repair, from, an RCA, Approved Service Center, this point is very important for a good result, Always contact, their local, "Head Office" Now, when you get the information you want, then you can decide as to repair of replacement. The reason we want an approved agent, is that way, all the engineers are trained on their own brand sets, they have seen almost all faults, and will get the job done quicker, and for less cost, and usually have parts on hand, also sometimes, there has been a service bulletin in issued and the repair may be subsided or even free.