While you wait for answers, we may have found some information which could help you.
Click here for Trinitron Button Soundhow can i solve my sony str de-475 in protect mode ?
How can I fix my old sony reciever?
speakers dhc-fl3, or dhc-fl7d?
replacement aerial for DAB Radio?
How to increase audio output/Sony Amplifier TA-AV601?
my sony genezi mini hi-fi mhc-ec78p ?