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Core, no connection


eptheca
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I am building a MB64 with modules from SmashTV

I have already built 2 MB SID's so I am familiar with using MIOS studio

I have built the Core, and MIOS Studio can't connect to it.

On the Core I have left out the Bridge rectifier, the "huge" el.cap, C6, voltage regulator, transistor and pots

As I understand these parts are for powering the Core and for the LCD, is this correct?

I am powering the Core from another 5V source, and I am not using a LCD

+5V and Ground connected to the voltage regulator position

I have checked all solder joints, tried with another PIC and another Optocoupler

Checked the MIDI sockets etc.

My MIDI interface and cables works fine with MIOS on my MB SID's

any suggestions?

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