320

Part no.: 509704
Part name: Printed circuit board - lower manual Model: 320 Date: April 3 1975 Diazo print
Part no.: 509705
Part name: Printed circuit board - switch Model: 320 Date: May 6 1975 Diazo print
Part no.: 509706
Part name: Printed circuit board - voicing - straf Model: 320 Date: May 6 1975 Diazo print