Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Rebuild parts for a light engine. Where can you get them

Rebuild parts for a light engine. Where can you find them?


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  • Lisa Caldwell Dec 01, 2011

    i need to know where go and place the 4 lenes in a wd73737 engine light


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The problem is you can't. You will probably spend more time and money replacing parts than replacing the entire engine.

Posted on Feb 24, 2009

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Im looking for parts and info also on rebuilding light engines. ive searched endlessly. found a little info on how to rebuild the projection lamps but havent located a source for the actual bulb inside the glass reflector. it metal halide and runs about 85 volts.sylvania 54112 looks interesting as a possibility. good luck searching. this info is a well kept secret. thanks mike

Posted on Jul 08, 2009

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What are you asking Ken? Sounds that you're completely blind, in terms of electronics. Contact any service technician to get your set repaired.

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The most common failure on this set to cause that symptom is the power supply. There are capacitors that fail and you can usually see most of the bad parts just by looking at them. If this is the case the best way to repair the problem is to rebuild the power supply rather than replacing it. Mainly because another power supply will have the same problem down the line but you can rebuild your board with heavy duty replacement parts for far less and have it last longer. Most shops will charge about 125-250 us dollars to do this repair. To do it yourself you need test equipment and soldering supplies. Better to have a repairman do this one. Good Luck, Russmann.

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Unfortunely the optics engine is faulty, one of the small LCD inside the light engine is coming apart. The only fix for this problem is to replace the optics engine, most call it Light Engine. You can get one fairely cheap from this site. COM">WWW.TRISTATEMODULE>COM . They sell optics engines new or rebuilded ones.. They will even repair yours..

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If you've done an I2c reset then your problem is most likely the light engine. Actually the lcd panel inside the engine but the procedure is still the same - replacement of the LE..

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Blue ghost image in middle of the tv

You have a defective light engine and you do not have to be under warranty for Hitachi to replace this part. We just went through this and here's what you need to do. Call Hitachi's customer relations department at 800-654-7013 and tell them that you have a defective light engine. They will act like they've never heard of this problem but they have. They will give you the names of some certified dealers in your area to call. Once a tech comes out and confirms that it's the light engine, call Hitachi back and they will send a brand new light engine to the dealer and Hitachi will cover the cost of the part (cost $1500).

Here is the deal, if you're under warranty, Hitachi will cover the part and the install. If you're not under warranty, all you pay is the install. Our install cost $400. Others on this site have paid $200. Do not let anyone tell you that you have to pay for the light engine do not. Hitachi has not recalled this part but they are replacing it for free. Also, deal only with Hitachi customer realations number that I listed. Good Luck!

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