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