Protector Sony
Sony receiver flashes “PROTECTOR”?
I have a Sony STR-DE845 receiver and one day the sound stopped working. I took the cover off to have a look and found 2 (8A 125V) fuses were burnt. I bought new fuses and installed them but they blew once I powered the unit on and the display says “PROTECTOR”.
1) Disconnect all cables into the receiver. Power on and turn up the volume. If protect lights then it needs to be repaired. Problem is in main amp board and will be $100+ to fix.
2) Connect each speaker and repeat power on process. If one speaker causes protect frog and check the cables. Replace speaker
3) Repeat with input devices frogging cables to check for shorts. Replace device or bade cables
4) Never buy Sony again, problem fixes itself
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