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PIONEER VSX-521 AV Receiver Sound Output Only in Pure Direct Mode But NO Sound in 5.1 Mode Fault Fix - YouTube
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PIONEER VSX-521 AV Receiver Sound Output Only in Pure Direct Mode But NO Sound in 5.1 Mode Fault Fix - YouTube
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Amazon.com: Pioneer VSX-521-K 5.1 Home Theater Receiver, Glossy Black (Discontinued by Manufacturer) : Electronics
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PIONEER VSX-521 AV Receiver Sound Output Only in Pure Direct Mode But NO Sound in 5.1 Mode Fault Fix - YouTube
![Amazon.com: Pioneer VSX-521-K 5.1 Home Theater Receiver, Glossy Black (Discontinued by Manufacturer) : Electronics Amazon.com: Pioneer VSX-521-K 5.1 Home Theater Receiver, Glossy Black (Discontinued by Manufacturer) : Electronics](https://m.media-amazon.com/images/I/614k9qjualL._AC_UF350,350_QL80_.jpg)
Amazon.com: Pioneer VSX-521-K 5.1 Home Theater Receiver, Glossy Black (Discontinued by Manufacturer) : Electronics
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Pioneer VSX-322 AVR No Sound and Prior Repair Attempts Cause AVR Dead or No Power Fault Fixed Part-1 - YouTube
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