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Whats wrong with my samsung LCD TV series 4?

• I bought samsung LCD Tv series 4 one and half years ago. The TV run fine till 12 months but after that some problem happened. When the TV is on, it run fine, but once if we switch off, then again if we switch on then it don't start till half hour. We have to switch it on and keep the switch on for 20-30 minutes, i.e. we have to wait for almost 30 minutes after which it start itself. BUT this don't happen often, sometimes when we switch on it start immidiately, but the above mentioned problem happens once in while. Now since last 2 months it was running fine, no problem in switching on and off, but today suddenly this problem happened again. When we switched on TV, it didn't started immidiately, we waited for half hours, still it didn't started, then 2-3 times we tried to detach wires and attach again and then it started. We checked with electrician if there is any problem in wiring or connection, but electrician say wiring and connection is fine, there must be some problem in TV. But this problem don't happen often, sometimes its worse, sometimes it work for a month fine. What could be wrong?

• Answer:

  it would be because of loose connection so contact the repairer n tell him to fix this ......