Re: (ET) Forward speeds out

[Christopher Zach <czach computer org>]

Replying to myself to close out the thread; was card4. Will repair this 
week and post the results. Looks like a diode went open.

Chris
Christopher Zach wrote:
> Ok, oddness. E20, reverse runs fine, forward runs in one speed only. And 
> that speed is using the resistors; they're getting warm.
>
> Any guesses? I'm betting card 4 diode failed. How can you check a diode?
>
> Chris
>
>
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