Sony STR-DE945 Receiver "mute button give sound back" Questions

...button Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers. regards robotek You have to isolate ...

...inside the unit. Give up on the amplifier diagnostics and get into the preamp area. YES: You have audio inside, just need to get it to the amps. Check for mispositioned Tape switches, Mute

button). If you still get no sound but pictures try turning your volume up on the tv, if you have volume there check your settings on the tv for the volume output...some brands allow you to mute this.

...give them a few rubs. Do this to all the contacts and put the plastic top back on. Try the unit out and see if one channel works. If it's all OK do the rest in the same way. It's these relays which ...