Replica MK14 VDU

 

photo to follow

 

This is my (almost) a replica of the MK14 VDU Board.  I have not exactly followed the original tracking though the layout is true and I have retained the original component references.

 

 I've made a small number of electrical changes as follows:

 

The main problem with this board though remains the avaliability of the DM8678CAB character generator, an alternative is my MK14E VDU which doesn't require this IC.

 

 

Schematic

Bill Of Materials

Expansion Connector

 

 

 

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