Circa 1978 (early production) SAE 2200 Amplifier. Items fixed, replaced.

1. Bias networks replaced/readjusted.
2. Output transistors replaced.
3. Final drive transistors one channel.
4. All electrolytic caps.
5. Drive stage biasing resistors.
6. Poor power wiring repair, undone and redone correctly, removing chance of V- short to chassis.
7. Chassis cleaned.