Technics SU-8080 Amplifier (1976') - Look inside after repair, maintenance adjusting

- after repair and maintenance, in the - https://t.me/Master_Man_Service in Riga, Latvia (EU).
Technics SU-8080 Description / Specifications:

Description:
The Technics SU-8080 features 2 phono, tuner, aux and tape inputs.
The phono inputs have selectable input resistance and capacitance for cartridge matching and switchable high frequency and subsonic filters.
The unit is also fitted with stereo balance and tone controls.

Specifications:
Power output: 72 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.02%
Damping factor: 70
Input sensitivity: 2.5mV (MM), 200mV (line)
Signal to noise ratio: 88dB (MM), 100dB (line)
Output: 200mV (line), 1V (Pre out)
Speaker load impedance: 4Ω to 16Ω
Dimensions: 450 x 140 x 371mm
Weight: 13.5kg