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Yamaha RX-V520 Receiver - Shuts off after 2 seconds.

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Amphr_Moth

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Hello to all. Allow me to get right to the point.

I have a Yamaha RX-V520 receiver that starts up, clicks and then shuts down after about 2 seconds.

- There are no loose or disconnected wires
- There is no visible damage to any components (including caps)
- The fuses are good
- There is no odd (burning) smell anywhere

I have included pics, video and the schematics of the unit to assist in the diagnoses.

From my very very limited understanding of electronics I think it might be one of the transformers, but I don't know.

In the photos and video I show the relay that clicks.

In video "1- Display" I push the power button twice and then I push simultaneously, Power Button, Input Mode, FM/AM and Tuning Mode.

When I press all 4 these messages pop up.
PS PRT : 094 B
PS PRT : 095 B
PS PRT : 096 B

Thanks in advance for any help anyone might offer.



Display when the power button is pushed on




Display - PS PRT 094 B




Display - PS PRT 095 B




Clicking Relay w. small Transformer - Side View




Clicking Relay w. small Transformer - Top View




Small Transformer - View 1




Small Transformer - View 2




Larger Transformer - Side View




Larger Transformer - Top View





Here are the videos of the unit

1, Display as it powers on.
YouTube - 1 - Display.wmv

2, Clicking relay
YouTube - 2 - Relay Clicking.wmv


Here are the schematics for this unit,
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Here is the manual for this unit,
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Thanks Again for any help. :)

P.S. I will probably be posting this question in other electronic forums. I hope no one has any issues with this. :)
 
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