title. Pioneer SX-9000 AM/FM Receiver. 1972.

date of work. 2021

work. Cleaned. Replaced all capacitors (including filter capacitors) and problematic transistors. Replaced failed output transistors. Maintained original large capacitor bodies. Balanced amplifier. Cleaned all controls. Replaced all lamps with low-power warm white LEDs. Rated at 50 watts per channel.