Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television
I am having a problem with my 51 inch Hitachi projection screen tv. It was turning off and on and now it will not come on at all. The red light on the front of the tv is on but it has no picture or sound.Like I said its like its not even on and its only 1 year old.
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem on dvd with no receiver box connected.
If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.
1The internal circuits are jammed because of electrostatic chargesaccumulating on capacitors, or because of a wrong voltage read by themain chip on your monitor controller board. this started the protectioncircuit.
2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.
If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
Common faults that can occurr are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.
Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing statebecause of the video cable.
Try moving the video cable, and if the cable is not built in, then also try a replacement cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on Mar 29, 2009
this can only be a problem on the power board, theres a faulty capacitor on the power supply area of your set, better check for any damaged and burn resitor,capacitor, fuse on the powersupply area.
Hope this initial info / idea helps you on your problem.
Let me know, if you need more assistance.
Accept my solution if this one help and solve the problem
Posted on Mar 29, 2009
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