Question about Hitachi 50UX57B 50" Rear Projection Television

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Hitachi projection tv seems to be stuck in surge protection? red light on front blinks then nothing. took back off and three green lights go on then off then red light flashes any ideas?

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  • survivor1 Jun 09, 2010

    Jun 09, 2010 - Hi have tried all these things, will try again to make sure. even took extension cord plug in different room and tried all these things.have friend at work that is former tv repair last worked in 90s, said to give him information were to look for specific set hitachi 60ux58b,please help thanks pat b I removed the back cover, plugged it in and all green LED's came on with a red one as well. The red light gets bright and then the power goes off. Red LED stays on and blinks

  • survivor1 Aug 26, 2010

    hitachi projection tv seems to be stuck in surge protection? red light on front blinks then nothing. took back off and three green lights go on then off then red light flashes any ideas? also have two other hitachi projection tvs all doing same thing, can there be a voltage problem in electrical in home?

  • survivor1 Aug 26, 2010

    hitachi projection tv seems to be stuck in surge protection? red light on front blinks then nothing. took back off and three green lights go on then off then red light flashes any ideas? also have two other hitachi projection tvs all doing same thing, can there be a voltage problem in electrical in home?

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Sounds like the all to familiar power board problem. It is common for these power boards to go bad. Check to see if there are any swollen capacitors or resistors and any burn marks on the board. You can use a voltmeter to test the power from the board. You can use an analog meter to test and capacitors or resistors on the board. If there happens to be a relay, you can suspect that as a possible cause as well and you can test it with an ohmmeter.

Posted on Jun 09, 2010

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Hi


Thanks for using FixYa. Please try to reset the Projection TV by turning it off for 5 minutes. After 5 minutes unplug the TV power cord from the electrical outlet and let the television remain without power for more then 1 minute. Plug the power cord back into the electrical outlet. If the television is plugged into a power surge protector, remove it from there and plug it directly into the wall outlet. Turn on the television. If the issue is resolved, then the problem is with the power surge protector and not the TV. If the issue is not resolved then this might have happened due to over-voltage. Please check the power supply unit for swollen/bulged capacitors and burnt wires/components on the power supply board. You should try and turn off the TV for 8-10 hours to reset it. Please make sure to turn off and unplug the TV for at least 1 hour (this will drain off current from all components especially capacitors) before you perform any repairs. Also note that the TV consists of very high voltages even when it is in off condition. All this is only recommended if you have electrical expertise and know how to solder/re-solder components. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks

Rylee

Posted on Jun 09, 2010

  • survivor1 Jun 09, 2010

    Hi, Thanks for reply have did all these things before posting, wil try again to make sure,even have taken extension cord from different room, let off for more then 8 hours, have friend at work previous tv repair in 90s needed some instruction on this set but has experience in tv repair. tell me what else to look for so that I may pass on on him thanks Pat B

  • survivor1 Jun 09, 2010

    Hi have tried all these things, will try again to make sure. even took extension cord plug in different room and tried all these things.have friend at work that is former tv repair last worked in 90s, said to give him information were to look for specific set hitachi 60ux58b,please help thanks pat b I removed the back cover, plugged it in and all green LED's came on with a red one as well. The red light gets bright and then the power goes off. Red LED stays on and blinks. Board says Protection. Any help??

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