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Question about Hitachi 50UX58B 50" Rear Projection Television

2 Answers

Hitachi 50ux58b Red light on front power panel comes on when tv is plugged in for a few seconds then shuts off .I unplugged TV took the TV apart plugged TV in and looked at circuit boards three green led iights come on followed by a red light that has d912 protected led written by it then shuts off

Posted by adam spencer on

  • Anonymous Jan 03, 2009

    leds come on for a few seconds then nothing

  • kevoski99 Feb 17, 2009

    i have the same problem red light comes on for a second then goes off that is it I can't get it to do anything else.

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2 Answers

Edward

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If you have Hitachi model number 50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B and you have the following symptoms you may want to grab a repair kit from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix these models. This is a fairly common problem with the above model numbers. It is typically caused by a blown capacitor and pico fuse. Again, you can get a kit from the above address. 
Here are the symptoms...

Primary Symptom: No Audio or Video. Power light will come on briefly then shut off.
Other Possible Symptoms : The green LEDs on the circuit board light up for a few seconds then turn off.

Hope this helps,

Posted on Nov 07, 2008

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Bill Heronemus

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It's possible that the Convergence IC's are causing a shutdown of the power supply. Also on this model, there have been problems with: C707 - 1000pf @ 2kv Cermaic Disc Cap (normally a small blue one) Hitachi Part # 0244211. I901 - A STRM6811a Reg Ic and E994 - 2.0 Amp Circuit Protector (Pico Fuse) having a high failure rate. If the 2 amp pico fuse was good, and the capacitor looked OK, then I would check the convergence circuit board. There are many other parts that can also cause shutdown problems, however.

Posted on Jan 03, 2007

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Other Possible Symptoms : The green LEDs on the circuit board light up for a few seconds then turn off.

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