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Introduction

Full solution on how to fix the Internal Error/Error 4000 and No Model Info messages on various Yamaha Receivers. This works with Yamaha RX-V673 and several other models.

Link to the current Yamaha firmware: https://europe.yamaha.com/en/support/upd...

Video Instructions

Conclusion

To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

Nick Myers

Member since: 04/15/2018

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