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Yamaha rxv-992 receiver wont power up

Hi, my yamaha receiver power on just a split second then no power. I made sure the impedence selector switch was set exactly and tried again. no luck .. any ideas?

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Disconnect all your speakers from the receiver. Turn the power on, and see if it stays on. If the unit shuts off with all the speakers disconnected, then you most likely have a faulty unit, and it will need to be repaired or replaced.

If the unit stays on with all the speakers disconnected, then you most likely have a bad speaker or a bad connection with the speaker wire.

Starting with one speaker, hook it up, and turn the unit on, and again see if the unit stays on, or if it shuts off. Do this until the unit shuts off when you connect a speaker.

Then disconnect all the other speakers, and leave the suspect speaker attached. Again, try to power up the unit. If it fails with that speaker attached, but works when it is not attached, then that speaker is your problem.

Posted on Dec 09, 2008

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Hello amos78

First, perform a visual inspection at the back of the unit and verify that speaker wires are not loose or shorting out with another connection. Find the impedance selector switch and verify that it is set to the proper position according to your speakers' impedance. It has to be all the way up or down, never in the middle. (Warning: Do not move the impedance selector while the receiver is powered. Make sure power is OFF on in standby, otherwise receiver will be damaged). Try power ON.

If these actions do not cure the problem, disconnect all speakers and try power ON again.
If the unit powers on, it is possible that one or more of your speakers or wires are damaged.
If none of the above actions fixes the problem, it is very possible that the receiver's internal circuitry is damaged.

Hope this helps you. Let me know.

cancerags

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Yamaha RX-V595A tuns off automatically


This was happening to mine also, all of a sudden. This solution came from the owners manual. Sure enough, the impedance selector was stuck in the middle , between 4 and 8 ohms....I also, made sure the speaker wires were not touching each other at the splice. Problem fixed.
B




The unit fails to turn on when 
STANDBY/ON is pressed, or set in 
the standby mode suddenly soon 
after the power has been turned on. 
The power cord is not plugged in or the 
plug is not completely inserted. 
The IMPEDANCE SELECTOR switch 
on the rear panel is not fully set to the 
upper or lower end. 
Firmly plug in the power cord. 
Set the switch fully to the upper or 
lower end when the unit is in the 
standby mode. 

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