Yamaha RX-V3900 Owner's Manual page 119

Problem
An audio source The audio source component is not
cannot be recorded by connected to the analog AUDIO IN jacks.
the analog recording
component connected
to the analog AUDIO
OUT (DVR, VCR or MD/
CD-R) jacks.
Recorded materials The settings made on this unit (such as
sound differently.
tonal quality, volume level and sound field
programs) do not affect recorded material.
The sound field "Memory Guard" is set to "On".
parameters and some
other settings of this
unit cannot be
changed.
This unit does not
The internal microcomputer has been
operate properly. frozen by an external electric shock (such
as lightning or excessive static electricity)
or by a power supply with low voltage.
"CHECK SP WIRES" Speaker cables are short-circuited.
appears in the front
panel display.
There is noise
This unit is too close to the digital or high-
interference from frequency equipment.
digital or radio
frequency equipment.
The picture is The video source uses scrambled or
disturbed. encoded signals to prevent dubbing.
This unit suddenly The internal temperature becomes too
enters the standby high and the overheat protection circuitry
mode. has been activated.
■ HDMI
Problem
No picture or sound. The number of the connected HDMI
components is over the limit.
HDCP authentication failed.
Cause
Connect the audio source component to the AUDIO
IN jacks.
Set "Memory Guard" to "Off".
Disconnect the power cable from the AC wall outlet
and then plug it in again after about 30 seconds.
Make sure all speaker cables are connected correctly.
Move this unit further away from such equipment.
Wait about 1 hour for this unit to cool down and then
turn it back on.
Cause
Reduce the number of the connected HDMI
components.
Check that the connected HDMI components support
the HDCP copy protection standards.
Troubleshooting
Remedy
Remedy
See
page
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