Pioneer VSX-D510 Receiver "power message" Questions

...message SWITCH POWER OFF when turn on receiver , after few seconds got message F70. when wants to do any operation with receiver got message SWITCH POWER OFF problem is oxidation...Remove and clean ...

...message after power on. From the manual: Demonstration Mode The demonstration will activate the first time you turn on the power. When the demonstration starts, the following message appears in the ...

...Power Off Message" , will not stay on. I bought it new in 2000 and this is the only problem I've had. The message, Power Off comes on the it shuts down. As soon as I turn it on again it just clicks ...

POWER KEY WHILE THIS MESSAGE APPEARS IN THE DISPLAY THANK YOU” To cancel the demonstration Press the Power 1/0 button to turn the receiver off while the above message is being displayed. The next time

power off" message hey i have had this reciever for quite awhile now and i have been lazy to get it fixed because of my "power off" message. I am not sure on what the problem is but i know it probably

message Power the unit off , Disconnect all the speakers ,power the unit back on and check to see if you get the same message, if so one or all of your speakers could be bad. This message appears when

...message with instructions to call Bose, and a three-digit code such as "Error Code 802" or "Failed 172" while performing a Music Information Update, it does not necessarily mean there's something ...

Onkyo HT-RC360 The receiver has a clicking sound when powered on. then turns off Onkyo HT-RC360 The receiver has a clicking sound when powered on. It show a quick message saying check speaker wire ...

message of power off. I removed all the speakers and any other connections and the same message appears and it still says power off and shuts off. Is there any solution if it is a power supply or main