James……Complete servicing of keyboard & cabinet modules:
950 Keyboard: Replace rogue Env components with capacitors. Repair cold solder joint.
Re-Bush, align & clean Keys, Contacts. Raise Keybed & Re-align Contacts on non-triggering
keys. Measure Resistor Network & restore modified values to spec. Secure external Cable.
A/B VCO3 Controller Selector: Switch issue resolved due to detached wire. Tightenslipping Switch Knobs.
901B: Replace faulty VCO 2 Frequency Vernier Pot.
901B: Replace VCO 5 400uF Cap.
901B: Replace VCO 6 faulty 2N4058 Transistor. Replace 400uF Cap.
901B: Replace faulty VCO 7 Frequency Vernier Pot. Replace faulty 2N4058 Transistor.
Replace 400uF Cap.
930: Re-Cap Power Supply.
905: Clean corrosion. Replace 10uF Cap. Replace faulty Reverberation Pot.
911 Envelope Generator 2: Replace bad 2N3392 Transistor.
901 A’s: Replace 100k Control Input Resistors.
Calibrate & Tune.
Clean scratchy/noisy Pots, Jack Sockets. Replace faulty Knobs.
