Check and make sure the grounds for the speakers are not connected
to any other ground or metal object.
The speaker ground is at -31.5 Volts.
Treat it just like it was a power wire.
No bare spots, etc.
Tim
On Jul 17, 2008 2:08 AM, Matt Rossiter
Wrote:
>
>This is just a little update. When I removed L6 the +5v came up just fine
>and the regulator didn't shut down.
>http://games.rossiters.com/manuals/IR-PS2-1.jpg
>So the problem is definitely in the audio section of the board. I'm still
>trying to find where the problem is. I've replaced the audio amps and some
>of the capacitors. I can't find any bad resistors. There seems to be loose
>a ground somewhere because if I touch something metal like the coin door
>frame or the power switch I can feel a slight tingle of electricity. Not a
>huge shock, but enough to be a little uncomfortable. I'm wondering if that
>might have something to do with it.
>
>The boards seem to work fine with the ribbon connectors I made. It's
>reporting a bad ram, but I'm not going to keep powering the boards up until
>I resolve this loose ground issue.
>
>Matt
>
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Received on Fri Jul 18 11:17:59 2008
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