BPL TV model BQR 25 G
TV gives intermediate trouble

I am having few peculiar problem in my TV. These are:

1. The sound goes automatically while viewing. But comes again when the TV is made off and then on.

2. while changing the channel TV becomes dark except diplay of channel number in green color.

3. while changing channel some times a display in green color comes as " NICAM".

All problem gets temporarily solved the moment TV is switched off and on and reappers after a few time.

Kindly let me know the soution. Shall be thank ful if a near by mechanic attends to it and solves the problem once for all.

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