Question about Hitachi 50VF820 Projection TV

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My hitachi 50v720 bulb blew and the replacement doesn't fit

The bulb on the tv blew after 3 years of use which isn't bad.   I bought the Phillips replacement bulb based off the product code ux21517.  I took the housing apart and went to put in the other bulb, but the new bulb has a lip over each corner and now won't fit flush with the bulb housing.   The bulb seems to be the right size except for the lip.   I tried looking for other posts as I don't think I am the only person who would have this problem.  I also went on the internet and checked other sights to see if the website I bought the bulb from wasn't advertising the correct bulb, but they all look the same as my new bulb.    Did Hitachi just up and decide to change the bulb and housing for its tvs?  If so, do I need to buy the bulb and housing to make it work?  I don't want to keep ordering parts only to have the hassle of returning them.   Any help would be great.   
Thanks, Spencer once you had the new bulb, were you able to replace it yourself? If so, where do I begin....
The bulb is ordered but now I need to replace it.

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I have a 50V525E and I have the same problem....My bulb is suppose to be a LM500 and I received a P22 Phillips (And I did check their web site and that is the bulb they recommend), and like you said...The 4 little glass tabs will not allow the bulb to sit flat in the housing.....

I am waiting for the vendor to answer my inquiry...But I recommend to anyone ordering a bulb...Ask if it is Phillips, and if it is...stay away.

Steve

Posted on Dec 23, 2010

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