: Best when multiple HDMI inputs fail simultaneously due to electrical surges. A new HDMI PCB Assembly (e.g., for the Marantz NR1608 Go to product viewer dialog for this item. ) can cost approximately $572.24 at Voomi Supply .
: If only a single port is physically broken (e.g., bent pins), a technician can solder a new port onto the existing board. This requires specialized tools like low-melt solder and flux. Software/Adapter Fix : For specific HDMI 2.1 bugs on 2020 models (like the Marantz SR8015 Go to product viewer dialog for this item. Go to product viewer dialog for this item. marantz hdmi board replacement
: After reassembling, you may need to initialize the unit by holding specific buttons (e.g., "Movie" and "Music") during power-on. Diagnosis Tips The Marantz AV7705 HDMI Repair Guide : Best when multiple HDMI inputs fail simultaneously
Replacing a Marantz HDMI board is a technical process typically involving disassembling the receiver's chassis, disconnecting multiple internal ribbon cables, and swapping out the digital PCB assembly. While complex, it is a common DIY upgrade for users looking to add 4K/120Hz or 8K capabilities to older models like the SR series or AV processors. : If only a single port is physically broken (e