![Onkyo Tx-sr606 HDMI Input-output PCB Board P-n Nchdm-9473 25139473a or 25139473c for sale online | eBay Onkyo Tx-sr606 HDMI Input-output PCB Board P-n Nchdm-9473 25139473a or 25139473c for sale online | eBay](https://i.ebayimg.com/images/g/KTcAAOSw8thkbR13/s-l225.jpg)
Onkyo Tx-sr606 HDMI Input-output PCB Board P-n Nchdm-9473 25139473a or 25139473c for sale online | eBay
![Amazon.com: Onkyo TX-SR606 7.1 Channel Home Theater Receiver (Black) (Discontinued by Manufacturer) : Electronics Amazon.com: Onkyo TX-SR606 7.1 Channel Home Theater Receiver (Black) (Discontinued by Manufacturer) : Electronics](https://m.media-amazon.com/images/I/41BBTex1cgL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Onkyo TX-SR606 7.1 Channel Home Theater Receiver (Black) (Discontinued by Manufacturer) : Electronics
![Can I add a schottky diode in series with DJ1 to give this circuit some sort of reverse voltage Protection? This is a synth that has a 9VDC input. My friend reversed Can I add a schottky diode in series with DJ1 to give this circuit some sort of reverse voltage Protection? This is a synth that has a 9VDC input. My friend reversed](https://preview.redd.it/4gg2151wwas71.jpg?width=640&crop=smart&auto=webp&s=57afbd338bfcac16f897357f64fcfa2f932895e3)
Can I add a schottky diode in series with DJ1 to give this circuit some sort of reverse voltage Protection? This is a synth that has a 9VDC input. My friend reversed
![Amazon.com: Onkyo TX-SR606 7.1 Channel Home Theater Receiver (Black) (Discontinued by Manufacturer) : Electronics Amazon.com: Onkyo TX-SR606 7.1 Channel Home Theater Receiver (Black) (Discontinued by Manufacturer) : Electronics](https://m.media-amazon.com/images/I/71XcbWR9CaS._AC_UF894,1000_QL80_.jpg)