My lamp for 52HM95 went out this morning, I've researched on the web and found this company who seems to know what they are talking about. follow this link then read the notice on the bottom of the page.

http://www.advancedlamps.com/product_info.php?products_id=3241&language=en&cPath=27&utm_source=shopzilla&utm_medium=Shopzilla.com&utm_campaign=export_feed&m1track=shopzilla&osCsid=711a3e3eef53eeaaf1ae7da0249204b5#shopzilla