Used Sansui 2000x  clean  and check  install all new led lights

sound really good in my opinion

has original schematic  attached

escription

As the world's foremost audio only specialist, Sansui has spared no effort in making the 2000X the most powerful, most versatile and most sophisticated receiver available at its price.

With the latest FET and IC components, functional front panel design and an ability to handle two sets of speaker systems simultaneously or individually, the 2000X considerably advances the art of stereophonic reproduction.

Specifications

Tuning range: FM, MW

Power output: 39 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 40kHz

Total harmonic distortion: 0.8%

Damping factor: 24

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 70dB (MM), 80dB (line)

Channel separation: 45dB (MM), 50dB (line)

Output: 150mV (line), 30mV (DIN)

Speaker load impedance: 4Ω to 16Ω