Sequential Circuits Prophet-5 Service Manual - Audiofanzine

1-6 KEYBOARDAfter removing PCB 3 and PCB 4, turn the top panel assembly over and disconnect keyboard cable atj201 (see Figure 1-3).Figure 1-4 details keyboard mounting. At both ends, remove keybed supports by first removing keybedscrews then rear keyboard mounting screws.keyboard will slide out of the case—and back in—as shown in Figure 1-5.Remove front keyboard mounting screws. The entireCAREFUL! DURING THIS OPERATION THE J-WIRES FOR THE LOWEST AND HIGHEST KEYS AREVULNERABLE TO DAMAGE FROM COLLISION WITH THE KEYBOARD MOUNTING BRACKETS.WHEN REPLACING CHECK J-WIRES AT EACH END OF KEYBOARD FOR CONTACT WITH BUS BAR.Also, remember to attach the wheel ground lug.R1PITCHWHEELPITCHWHEELDETENTSHAFTSLOTR2MODWHEELFRONTKEYBOARDMOUNTINGSCREWJ-WIRESBUSBARSETSCREWWHEELGROUNDLUGREARKEYBOARDMOUNTINGSCREWKEYBEDSCREWKEYBEDSUPPORTKEYBOARDMOUNTINGBRACKETFigure 1-4KEYBOARD MOUNTING1-6