I have a rear projection tv with a color problem. Does anyone know what would cause this?
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Re: Hitachi 50v500a Rear projection color issue
Yes, its the light engine that needs replacing, the fault is that the optical filters are discolored (burnt) from heat and possibly poor ventilation as the fans get pluged with dust.
New pt# UX22202D Rebuilt UX22202DR
I do not recommend replacing, too costly.
Here is a service bulletin regarding cleaning but it won't help -
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I own a Hitachi 50HK6100U with a display fault. After some troubleshooting, I've found that removing one tcon cable produces a clear image on the side still connected. Removing the other tcon still provides display output; however, this is a heavily distorted image. With both cables connected, only the top ~25% of the screen provides display output which is still distorted. It's only when both are connected that most of the screen no longer provides output. The attached images show the screen with each tcon cable disconnected, and one with both connected. The red line shows where the display cuts... -
I have a Hitachi 57F710E Rear Projection TV that was working great until 3 or 4 days ago. I came in and tried to turn it on and it was just dead. So, I unplugged it and plugged it back in. Nothing, not even the slight click that it makes when you plug it in. So, I removed the power supply board (It's a vertically mounted board, I believe model HA01312) and inspected it visually for bulged caps or burnt or overheated components, anything that didn't look right and couldn't find anything.
I noticed on the bottom of the board there was a row of solder joints with voltages printed next... -
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This specification for the HP EliteBook 840 G5 + Color LaserJet Pro MFP M477fdw + 3 year NBD HW Support Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 840 G5 + Color LaserJet Pro MFP M477fdw + 3 year NBD HW Support boardview and 840 G5 + Color LaserJet Pro MFP M477fdw + 3 year NBD HW Support schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional...09-06-2024, 08:23 AM
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This specification for the HP EliteBook 840 G5 + Color LaserJet Pro MFP M477fdw + 3 year NBD HW Support Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 840 G5 + Color LaserJet Pro MFP M477fdw + 3 year NBD HW Support boardview and 840 G5 + Color LaserJet Pro MFP M477fdw + 3 year NBD HW Support schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional...09-06-2024, 08:23 AM
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