James………No Waveform Gen Y Square Wave. No OSC A Sawtooth. No OSC B. No Ringmod. No Trig from Gen Y. Voltage not held on key release.
Socket & Replace LM723 Regulator
Socket & Replace 741 for Gen Y Square Wave. Socket & Replace 741 for OSC A Sawtooth.
Socket & Replace 741 for OSC B. Socket & Replace 741 for Ringmod.
Replace Caps, Opamps & JFETs on S&H circuit.
Trouble shoot S&H circuit for voltage leakage.
Clean Keyboard contacts.
Calibrate & Tune.
