Question about Hitachi 50UX57B 50" Rear Projection Television

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50v720 no picture blinking light temp and lamp

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  • Singam56 Mar 18, 2009

    My Hitachi rear projection 50V720 is under 2 years old will not turn on. Indicator light green come on, then in a minute starts to blink and next 2 lights (one is temperature, other not sure) both red starts blinking. Waited 2 minutes, nothing happened and I turned it off. Read the manual and they talked about bulb and bulb door.

  • Anonymous May 20, 2009

    screen blach temp and lamp flashing red

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You may need to replace the lamp there is a small door in the back take screws out make sure you disconnet TV first, Also make sure you shop around online get TV model and type of lamp from your manual and GOOGLE it you will surprise by the prices from $70 up to $300, you can do it yourself. Hope this helps

Posted on Apr 01, 2009

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Posted on Jan 02, 2017

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2 Answers

Color issue


download this manual
http://merchant.satisfusion.com/sf/library/manuals/owners/50V720.pdf
see page 59,60,61,62. The problem can be the lamp
After extended use, if the TV picture turns dark, the color looks unusual or LAMP INDICATOR light turns on, then it
is time to replace the lamp with a new lamp.

Mar 21, 2008 | Hitachi 50V720 Television

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If it was blinking like it was, it's probably either a bad lamp or a faulty install. Try re-installing the housing of the lamp in the T.V. if you're sure you didn't over tighten or under tighten the screws on the lamp. These are all simple things to check before you send back the potentially bad lamp.

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Check the tv fan it is running?No than the fan require replacing.Yes,than the tv projection lamp life are ending require replacing.

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Y sus (sustain) board or main power board has dry capacitors or dead transistors or even main chip is dead, but to know more accurately you need to count the red light flashes. Google "red blinking codes" should find the answer, ebay sells Y sus boards or power boards around $125 (cheapest) for plasma TVs.

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You may have a fan that is not spinning fast enought and a overheat condition is occuring or you may have a bad lamp.

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