8-Bit Software

The BBC and Master Computer Public Domain Library

Fitting a Genlock Board to a Master 128

Back to 8BS

Orange wire to L4. Black wire to L5. Red wire to L5

Brown wire. Remove link from link 60 and solder brown wire to pin labelled 'B'

Green wire to L10

Purple wire to IC25 Pin 5. Blue wire to IC25 Pin 4

This component has one end slightly yellow. The wire attached to this solders to the emitter of Q12 (labelled 'E' on the board)
The other wire from this component solders to the right hand side of R151. Since taking the photographs with this info, I have coloured this wire red

Back to 8BS