Question about Yamaha RX-V620 Receiver
The front panel volume control is not increasing or decreaing the volume - it's OK with the RCU. The volume control is sending out it's pulses OK, so the problem is further downstream. I can't find a schematic for this model, so any suggestions would be welcome.
The volume knob issue alone sounds like it's hardware-related and therefore not easily fixed. Also, since the remote appears to be working (the LED's are lighting up), but the unit is not controlled anymore, the IR sensor is probably faulty as well. I would seriously consider sending this AV receiver in for repair. If it's still within warranty, you shouldn't need to pay anything for the repair.
Manual for your receiver: http://www2.yamaha.co.jp/manual/pdf/av/english/re/RX-V1000.pdf
It's not much but I hope this helps.
Posted on Aug 21, 2011
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Setting the Subwoofer Information
Register whether you have connected a subwoofer or not.
Before you start, remember....
• There is a time limit in doing the following steps. If the setting is canceled before you finish, start from step 1 again.
On the front panel ONLY:
1. Press SETTING repeatedly until "SUBWOOFER" appears on the display.
The display changes to show the current setting.
2. Press CONTROL UP / DOWN to select "YES" or "NO."
• Each time you press the button, the display alternates between "YES" and "NO."
YES: Select this when a subwoofer is connected.
NO: Select this when no subwoofer is used.
You cannot use SUBWOOFER OUT ON/OFF on the front panel (see page 14) and adjust the subwoofer output level (see below) when "SUBWOOFER" is set to "NO."
Then continue with setting its relative level and other things.
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