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Мои познания в ремонте данного вида техники: Начинающий (делаю первые шаги)
Наличие схемы: manual
Hi everyone,
I'm having trouble with my Yamaha RX-V485 receiver. After encountering a "version error", the USB, Bluetooth, and network functions have stopped working, making it impossible to perform a firmware update through normal methods.
After doing some research on forums, I found that earlier Yamaha models with similar issues (like the internal error message) could be fixed by shorting or soldering specific pads—such as R896—and then powering on the unit to enter a service/boot mode that displays the model info and allows recovery.
I managed to find the service manual for the RX-V485, and it seems that similar soldering points exist: specifically J207 and CB29. I tried soldering these points together as suggested in other model threads, but unfortunately, nothing changed—the receiver just starts up normally, and the error persists.
Has anyone successfully fixed this issue on the RX-V485 or a similar model?
Any insight into how to properly enter recovery mode or bypass the version error would be greatly appreciated.
Thanks in advance!
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