Hitachi 50v500 problem - Blu-ray Forum

vinnymac67 · 08-21-2009, 03:35 AM

my lamp popped on my tv,before lamp went out picture was perfect,now with new lamp in I have a yellowish hue in the center of my screen.Around the edges I have perfect color.Please give me some feedback as to what this may be and how I can fix this,Thanks.

Uniquely · 08-21-2009, 10:32 PM

If the lamp actually exploded... this could be some type of damage from that. That is just a complete and total guess though. Is the replacement the official recomended part?

Zen_Amako · 08-21-2009, 10:51 PM

I have the same TV, and after a couple of years, I had a red spot in the center of the screen (apparently, this happens to all 50V500s eventually). The light engine did not have proper ventilation (it is a design defect) and it was gradually overheating. I replaced the light engine and everything was fine. Still on the original bulb, though! I would say the problem is most likely the light engine in the TV, not the bulb.

Check this link. I did a google search, and apparently Hitachi is being sued in Dallas over this design defect.
http://www.fixya.com/support/t984591...ederal_lawsuit

vinnymac67 · 08-21-2009, 10:52 PM

I heard a pop and later when I pulled the housing out there was glass inside the bulb,but it didn't appear that glass went anywhere else,I couldn't tell at least if any went inside the tv.It is really noticeable in bright outdoor scenes.Is there any troubleshooting I can do to see if there is any other damage? I got the part from Discount tv lamps.com,and they had replacement for part number UX21511.

08-21-2009, 03:35 AM	#1
vinnymac67 New Member Member since:Aug 2009	Hitachi 50v500 problem my lamp popped on my tv,before lamp went out picture was perfect,now with new lamp in I have a yellowish hue in the center of my screen.Around the edges I have perfect color.Please give me some feedback as to what this may be and how I can fix this,Thanks. Last edited by vinnymac67; 08-21-2009 at 03:23 PM.

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08-21-2009, 10:32 PM	#2
Uniquely Blu-ray Samurai Member since:Sep 2008 Location:Mobile, AL Home Theater Gallery:14 Blu-ray collection:171	If the lamp actually exploded... this could be some type of damage from that. That is just a complete and total guess though. Is the replacement the official recomended part?

08-21-2009, 10:51 PM	#3
Zen_Amako Blu-ray Samurai Top contributor Member since:Nov 2008 Location:Northern VA, USA 4K collection:255 Blu-ray collection:659 Blu-ray reviews: 3 Trading Score:13	I have the same TV, and after a couple of years, I had a red spot in the center of the screen (apparently, this happens to all 50V500s eventually). The light engine did not have proper ventilation (it is a design defect) and it was gradually overheating. I replaced the light engine and everything was fine. Still on the original bulb, though! I would say the problem is most likely the light engine in the TV, not the bulb. Check this link. I did a google search, and apparently Hitachi is being sued in Dallas over this design defect. http://www.fixya.com/support/t984591...ederal_lawsuit

08-21-2009, 10:52 PM	#4
vinnymac67 New Member Member since:Aug 2009	I heard a pop and later when I pulled the housing out there was glass inside the bulb,but it didn't appear that glass went anywhere else,I couldn't tell at least if any went inside the tv.It is really noticeable in bright outdoor scenes.Is there any troubleshooting I can do to see if there is any other damage? I got the part from Discount tv lamps.com,and they had replacement for part number UX21511.

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