Audio - Yamaha CX-A5200BL Owner's Manual

Problem
The RED/GREEN/YELLOW/BLUE keys of the remote
control do not operate

Audio

Problem
No sound.
The volume cannot be increased.
No sound is coming from a specific speaker.
No sound is coming from the subwoofer.
No sound from the playback device (connected to the
unit with HDMI).
Cause
The device which is connected to the unit via HDMI does not support the
operation of the RED/GREEN/YELLOW/BLUE keys.
The settings of the RED/GREEN/YELLOW/BLUE keys of the unit's remote
control have been changed.
HDMI control setting is "Off".
Cause
Another input source is selected.
Signals that the unit cannot reproduce are being input.
The cable connecting the unit and playback device is defective.
A device connected to the output jacks of the unit is not turned on.
The maximum volume is set.
The playback source does not contain a signal for the channel.
The currently selected sound program/decoder does not use the
speaker.
Audio output of the speaker is disabled.
The volume of the speaker is set too low.
The speaker cable connecting the power amplifier and the speaker is
defective.
The speaker is malfunctioning.
The playback source does not contain LFE or low-frequency signals.
Subwoofer output is disabled.
The volume of the subwoofer is too low.
The subwoofer has been turned off by its auto-standby function.
The TV does not support HDCP (High-bandwidth Digital Content
Protection).
The number of devices connected to the HDMI OUT jack exceeds the
limit.
En
Use a device which supports the operation of the RED/GREEN/YELLOW/BLUE keys.
Set "Color Key" (p.144) in the "Setup" menu to "Default".
Set "HDMI Control" (p.134) in the "Setup" menu to "On".
Select an appropriate input source with the input selection keys.
Some digital audio formats cannot be played back on the unit. To check the audio format
of the input signal, use "Information" in the "Sound" menu (p.125).
If there is no problem with the connection, replace with another cable.
Turn on all devices connected to the output jacks of the unit.
Use "Max Volume" in the "Setup" menu to adjust the maximum volume (p.130).
To check it, use "Information" in the "Sound" menu (p.125).
To check it, use "Test Tone" in the "Setup" menu (p.125).
Perform "YPAO" (p.44) or use "Configuration" in the "Setup" menu to change the speaker
settings (p.121).
Perform "YPAO" (p.44) or use "Level" in the "Setup" menu to adjust the speaker volume
(p.123).
If there is no problem with the connection, replace with another speaker cable.
To check it, replace with another speaker. If the problem persists, the power amplifier
may be malfunctioning.
To check if the subwoofer is working properly, use "Test Tone" in the "Setup" menu
(p.125).
Perform "YPAO" (p.44) or set "Subwoofer 1" or "Subwoofer 2" in the "Setup" menu to
"Use" (p.123).
Adjust the volume on the subwoofer.
Disable the auto-standby function of the subwoofer or adjust its sensitivity level.
Refer to the instruction manuals for the TV and check the TV's specifications.
Disconnect some of the HDMI devices.
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Remedy
Remedy