Troubleshooting a 5V Apple III

Richard legalize at
Sun Aug 22 14:10:36 CDT 2010

In article <4C717512.6060404 at>,
    Mike Maginnis <mmaginnis at>  writes:

> The motherboard has both composite and digital XRGB video outputs.  I've 
> been working with a composite monitor, as I don't have a compatible RGB 
> model.  Unfortunately, I don't have a scope or anything more advanced 
> than a multimeter to troubleshoot with.

You should be able to check the capacitors in the video section for
shorts.  I'm not sure if you can diagnose other failures on capacitors
(the most likely culprit) with only a multimeter.
"The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download

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