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Old 02-09-2009   #20
Join Date: Jan 2008
Location: Los Angeles
Posts: 21
Default Re: DirecTV HD DVR:It's your receiver!

Yo F1RACER, I have now had two optical blocks replaced. The latest is working properly. Ialso had the B board replaced. I did have the macroblocking problem which I believe the first new optical block did solve. The macroblocking was present on all sources. When I was trying out a second DVR from Directv I noticed the green blob when the picture went to white while I was changing channels. The green blob is usually first noticed in the upper half of the screen and towards the sides. This is a sure sign that the optical block is failing. I do know someone that replaced their optical block in a A2000 set
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