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Yamaha RX-V681 User Manual

Yamaha RX-V681
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En 136
No sound from the playback device (connected to the
unit with HDMI).
The TV does not support HDCP (High-bandwidth Digital Content
Protection).
Refer to the instruction manuals for the TV and check the TV’s specifications.
The unit is set not to output audio input through HDMI jacks from the
SPEAKERS terminals.
In “Audio Output” in the “Setup” menu, set “Amp” to “On” (p.118).
The number of devices connected to the HDMI OUT jack exceeds the
limit.
Disconnect some of the HDMI devices.
No sound from the playback device (when HDMI
Control is used).
The TV is set to output audio from the TV speakers.
Change the audio output setting on your TV so that the playback device audio is output
from the speakers connected to the unit.
TV audio is selected as the input source. Select an appropriate input source with the input selection keys.
No sound from the TV (when HDMI Control is used).
The TV is set to output audio from the TV speakers.
Change the audio output setting on your TV so that the TV audio is output from the
speakers connected to the unit.
A TV that does not support ARC is connected to the unit only with an
HDMI cable.
Use a digital optical cable to make an audio connection (p.33).
(If the TV is connected to the unit with an audio cable)
The TV audio input setting does not match the actual connection.
Use “TV Audio Input” in the “Setup” menu to select the correct audio input jack (p.117).
(If you are trying to use ARC)
ARC is disabled on the unit or TV.
Set “ARC” in the “Setup” menu to “On” (p.118). Also, enable ARC on the TV.
Only the front speakers work on multichannel audio. The playback device is set to output 2-channel audio (such as PCM) only.
To check it, use “Audio Signal” in the “Information” menu (p.127). If necessary, change
the digital audio output setting on the playback device.
Noise/hum is heard.
The unit is too close to another digital or radio frequency device. Move the unit further away from the device.
The cable connecting the unit and playback device is defective. If there is no problem with the connection, replace with another cable.
The sound is distorted.
The volume of the unit is too high. Turn down the volume. If “ECO Mode” is set to “On”, set it to “Off” (p.125).
A device connected to the units output jacks is not turned on. Turn on all devices connected to the unit’s output jacks.
Problem Cause Remedy

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Yamaha RX-V681 Specifications

General IconGeneral
Receiver typeSurround
Frequency range20 - 20000 Hz
4Ω speaker supportYes
Audio output channels7.2 channels
Total Harmonic Distortion (THD)0.06 %
Dynamic power per channel (4 Ohm)190 W
Dynamic power per channel (8 Ohm)125 W
Power output per channel (20-20KHz@8 Ohm)150 W
HDMI in6
Audio (L/R) in5
Remote (IR) input1
Composite video in4
Component video (YPbPr/YCbCr) in2
Audio (L/R) out0
Headphone connectivity3.5 mm
Product colorSilver
Audio decodersDTS Neo:X, DTS-HD Master Audio, Dolby Digital Plus, Dolby Pro Logic IIx, Dolby TrueHD
Apple docking compatibility-
Banana connector14
Connectivity technologyWired & Wireless
Speakers connectivity typeBanana connector/Binding posts
Supported radio bandsAM, FM
Optical drive includedNo
Supported video modes2160p
Power consumption (standby)0.1 W
Weight and Dimensions IconWeight and Dimensions
Depth378 mm
Width435 mm
Height171 mm
Weight10000 g

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