| Re: Black Knight Repair Questions |
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Group: rec.games.pinball · Group Profile
Author: cfhcfh Date: May 11, 2008 17:37
On May 11, 8:32 pm, Byllz yahoo.com> wrote:
> I made two discoveries.
>
> First the sound problem is intermittant. Sometimes when I power the
> machine off and back on it works fine, other times its very soft.
> Sometimes it will cut out from normal to low volume in the middle of
> the test.
>
> Second, the diagnostic is not always the same each time I cycle the
> power. Most of the time its exactly as I desribed it. But sometimes
> when the machine is turned on before running a diagnostic, both LEDs
> light up and it displays a 0, which I think indicates MPU lockup. One
> time both LEDs came on after running the diagnostic and it displayed
> an 8, which I think still means its the 5101. Then one other time I
> let it sit on for awhile and the 9 was displayed with the bottom LED
> on, but after awhile, the display changed to a 6. Occasionally when
> running the diagnostic just garbage comes up on the display.
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