Question about Yamaha RX-V800 Receiver

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RX-V800 shuts off after 7 seconds turned it on, what should I do?

I'm Electronic Engineer and I have been trying to fix a RX-V800, I replaced two bad transistors Q22A and Q22C(Front right pwr)and drivers. After this action, it didn'n work when pushed its stby/on, now its display keeps light on for 7 seconds approximately then it turns off. Maybe the protection circuitry has been activated. For working properly, does it necessary to connect all the speakrs? How does Protection Circuitry work? By the way, I have RX-V800's electronic diagram. All the best, Rasgador

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Re: RX-V800 shuts off after 7 seconds turned it on, what...

Can you post that diagram here? Or you can email it to me. I can't make any promises, But Im glad to help, I have done much board work in my time, and this one just sounds interesting. L8R

Posted on Sep 17, 2007

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