Shops Yamaha A-960 Natural Sound Integrated Stereo Amplifier

Product Name: Shops Yamaha A-960 Natural Sound Integrated Stereo Amplifier
Yamaha a-960 Amplifier Selling For Repair ,please Read ( No Sound ). (Unit turns on but the relay doesn't click) Everything shops looks original that's why I took off the cover off for you to see the inside. Selling as is for repair. I don't have knowledge for electronics devices other than changing fuses or spray deoxit so I don't know what's wrong. From the web: Power output: 100 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.01% Damping factor: 55 Input sensitivity: 0.16mV (MC), 2.5mV (MM), 150mV (line) Signal to noise ratio: 77dB (MC), 93dB (MM), 103dB (line) Channel separation: 70dB (MM), 70dB (MC), 70dB (line) Output: 150mV (line) Dimensions: 435 x 133 x 365mm Weight: 10.5kg Year: 1980.