Marantz Model 2230 Vintage Stereophonic Receiver (1973) Powers on But Spotty

Marantz Model 2230 Vintage Stereophonic Receiver (1973) - As Is 30 watts per channel Power Bandwidth: 30 Hz - 20 kHz Total Harmonic Distortion < 0.5% Ultra low-distortion FET, RF, IF circuitry powers on, frequency band display not fully illuminated, tuning display lamp burnt out, volume output intermittent. Only tested FM Radio for output.