Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television

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Hitachi 51f500 we have TV for about 5 years. In the past six mos the tv turns off by itself and then maybe an hour later will come on by itself. We do not want to spend alot of money to fix this, but can you advise what the problem may be and who we can call to get it fixed. Thank you Robert Schroeter

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Re: hitachi 51f500

It sounds a lot like a micro/eprom problem and Hitachi addressed this in a service bulletin quite some time ago. Their fix was to add a jumper from I007 pin 1 to cathode of D019... Problems ranged from picture freezing to on/off control without prompting. Not an expensive fix and can easily be done in-home if you get a good reputable shop. We've done several in-home on a simple service call.
Hope this helps!

Posted on Dec 13, 2007

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What is the life expectancy of the Hitachi 51F500


May 21, 2009 | Hitachi 51F500 51" Rear Projection...

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I have a double picture on my 6 year old Hitachi Projection tv.

Required info are available in service manual with details and schematics.
You can buy service manual from Manual Zone for your Hitachi 51F500 TV.
Thank you.

Dec 11, 2008 | Hitachi 51F500 51" Rear Projection...

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1 Answer

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The procedure for correcting dark picture is EXTREMELY dangerous.. If you're not sure about what you're doing call a qualified technician or you could seriously hurt yourself or get killed!

Picture Dark, abnormal, Changing Color Temperature
  • Clean the Spark Gaps on each CRT PWB. Remove the Cap, clean the contacts with thin fine sand paper, blow out, reseal.
  • Remove the CRT Sockets, clean the pins on the CRT. Push the CRT socket on and off several times.
Make really sure before you sttart this process that the Tv has been unplugged for several hours and that you discharge the crt as you remove the anode. There is some extremely high voltage present for hours after the Tv has been off...
Or get a reputable shop to come out and do the procedure for you - - might just save picking yourself up of the opposite wall.

Nov 20, 2007 | Hitachi 51F500 51" Rear Projection...

1 Answer

Hitachi 51F500 Shuts down during summer months

I am finding out that these sets have almost the same problems mostly going back to middle power supply broad ck all connections,then try looking for leaky caps.

Nov 08, 2007 | Hitachi 51F500 51" Rear Projection...

1 Answer

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Feb 01, 2007 | Hitachi 51F500 51" Rear Projection...

1 Answer

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My guess is that the sound you heard was that of some High Voltage discharges that could have fed back and damaged some semiconductors including the microprocessor itself. Since it could be a very expensive repair, I would be very tempted to look around for a new HDTV by JVC or Toshiba. Hitachi has slipped a notch or two in recent years according to my experience.

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