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English – Denon AVR-688 User Manual

Page 61

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Get
ting Star

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Connections

Set
up

Pla
ybac

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Remot

e Contr

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Multi-Zone

Inf
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mation

Tr

oubleshooting

ENGLISH

Symptom

Cause

Countermeasure

Page

No sound is
produced from
center speaker.

• You are playing a monaural

source (TV, AM radio broadcast,
etc.) in the “STANDARD” (Dolby/
DTS Surround) mode.

• The mode is set to something

other than “STANDARD” (Dolby/
DTS Surround).

30

No sound
is produced
from surround
speakers.

• The surround mode is set to

“STEREO” or “DIRECT”.

• Set to a surround playback

mode.

30

No sound is
produced from
surround back
speaker.

• The surround back speaker’s

power amplifier is assigned to a
different channel.

• Surround back speaker setting is

set to “None”.

• Surround mode not set to a mode

for 6.1- or 7.1-channel playback.

• Check the setting and change it

as necessary.

• Set to something other than

“None”.

• Select a surround playback

mode.

27

23

29, 30

No sound is
produced from
subwoofer.

• Subwoofer’s power not turned

on.

• The “Subwoofer” setting at

“Speaker Setup” is set to “No”.

• The subwoofer is not properly

connected.

• The subwoofer’s volume is

turned off.

• Turn on the subwoofer’s power.

• Set to “Yes”.

• Check the connections.

• Adjust the subwoofer’s volume

to an appropriate level.

23

9

41

No test tones are
produced when
remote control
unit’s TEST button
is pressed.

• Surround mode not set to

“STANDARD”

(Dolby/DTS

Surround).

• Set to the “STANDARD” (Dolby/

DTS Surround) mode.

29

DTS sound is not
output.

• DVD player’s audio output setting

is not set to bitstream.

• DVD player is not compatible

with DTS sound playback.

• The AVR-688’s “Input Mode”

setting is set to other than
“DTS”.

• Set the DVD player. For details,

refer to the DVD player’s
operating instructions.

• Use a DTS-compatible player.

• Set to the “Auto” or “DTS”

mode.

35

HDMI audio
signals are not
output from
speakers.

• The audio signal input to the

HDMI input connector cannot be
played on the AVR-688. Input the
audio signal to the digital audio
input connector or analog audio
input connector.

10

No sound is
output from
the monitor
connected
with HDMI
connections.

• HDMI input setting is improper.

• Check the HDMI input setting.

25

G

AudioH

Symptom

Cause

Countermeasure

Page

No picture
appears.

• The connections between the

AVR-688 and monitor are faulty.

• The monitor’s input setting is

wrong.

• The player is connected using the

component input connectors, the
monitor is connected using the
video (yellow) or S-Video output
connectors.

• Check the connections.

• Set properly.

• High definition (1080i/720p) and

progressive (480p/576p) video
signals are not down-converted.
Set the player to interlace
(480i/576i) signals.

10 ~ 17

No picture
appears
with HDMI
connections.

• The connections to the HDMI

connectors are faulty.

• HDMI input setting is improper.
• The HDMI format of the player

and monitor do not match.

• Check the connections.

• Check the HDMI input setting.
• Match the HDMI format of the

player and monitor.

10

25
10

Picture cannot be
recorded.

• Input source does not match

recorder’s video connection
connector (video or S-Video).

• The video conversion function

does not work for the REC
OUT connectors. Match the
input source and recorder
connections.

13

DVDs cannot be
copied on a VCR.

• This is not a malfunction. Most

movie software includes copy
prevention signals and cannot be
copied.

G

VideoH

Tr

oubleshooting