Question about Yamaha RX-V420 Receiver
It clicks when I press the power button and after .5 seconds it makes a quieter click noise
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Yamaha RX-V420 Will Not Power up
Hi Daniel if your set does not have a fan that trips on when the volume gets louder surely the audio output will damage. every working component generates heat and when the heat sore up to an uncontrolable level it cause damage.have a tech look on your set to repair it.good luck.
Posted on Apr 26, 2007
SOURCE: Power shuts off
is it pl;uged direct in wall must nbe on a nice hi end break surge proably got zapped transisters in it best to try to replace it u can try to un plug it from that outlet few min then back in anther one
Posted on Jan 21, 2008
SOURCE: Yamaha RX-V420 No power
If the standby voltage exists, the next step is to see whether or not the clock is working. Find the main micro chip. There should be a 3 legged crystal close by. You should see this oscillate (use a scope). No oscillation = no micro control = no turn on. It is possible that the micro is bad or the crysal is bad. Also, check to be sure that the output transistors are not shorted. It is also possible that these are preventing the system from turning on.
Posted on May 12, 2008
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