Need help: DSD-440 with unresponsive formatter/control board

Jerry Weiss jsw at
Tue Sep 20 13:47:17 CDT 2016

On Sep 20, 2016, at 1:37 PM, Julian Wolfe <jrw at> wrote:
> Both green LEDs are on.  They're ALL on.

As LED 9 is on (sorry for not being clear), then the CPU is active.  That’s a good sign.

Definitely look at the DC Power up/down circuit first.  


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