Assalamu alaikum. My name is Md. Nazrul Islam (Susan). I am a TV technician. Today I repair a Singer 21 inch CRT TV. This TV problem is no sound but picture okay. I make educational video. My channel name is S2 TV. this channel provides you to LCD, LED and CRT TV repairing. If you like my video please subscribe my channel and do not forget bill button. #tv #hindi.