Question about Microsoft Xbox 360 Console

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My sound is coming through, but the picture is not. I'm getting a black screen with small white dots in a grid that will move together slowly across the screen. Other systems work on the tv and will work in the plug in that is used for the xbox. Thanks!

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That's a bad sign . Ok you got horizontal line made out of dots scrolling across the screen. and strobeing (flickering) I have seen this only once and it was after I tryed to recover a Microsoft 2 rework box that had 1 red . after re-flowing the G.P.U the unit powered up sounded normal but I got the same thing that you described. So then after re-flowing the G.P.U. again then the C.P.U and H.A.N.A . still the same out come no change . When I check the composite video on my scope the video signal was unstable . it may have been the crystal . I'm not sure , I just put it back together and told the customer that " Microsoft had tryed twice and failed this looks to be a Xxbox" . After consoling him I sold him a replacement and that seemed to cheer him up.

If you find out what was wrong please let me know sorry this was not much of a solution.

Rob

Posted on Oct 03, 2009

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