Denon AVR-3808CI User Manual

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)”.

41

No sound 
is produced 
from surround 
speakers.

• The  surround  mode  is  set  to 

“STEREO”, “DIRECT”  or “PURE 
DIRECT”.

• Set  to  a  surround  playback 

mode.

40, 41

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.

33

28

40, 41

No sound is 
produced from 
subwoofer.

• Subwoofer’s  power  not  turned 

on.

• The  “Subwoofer”  setting  at 

“Speaker configuration” 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.

–

28

9

56

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

• Surround  mode  not  set  to 

“ S TA N DA R D ” ( D o l b y / D T S 
Surround).

• Set  to  the  STANDARD  (Dolby/

DTS Surround)

　mode.

40

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-3808CI’s  “Decode 

Mode” setting is set to “PCM”.

• 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.

–

–

38

HDMI audio 
signals are not 
output from 
speakers.

• The  “Manual  Setup”  –  “HDMI 

Setup” – “Audio” setting is set to 
“TV”.

• Set to “Amp”.

30

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

• The  “Manual  Setup”  –  “HDMI 

Setup” – “Audio” setting is set to 
“Amp”.

•  Set to “TV”.

30

G

AudioG

The on-screen 
display does not 
appear.

• The  format  of  the  GUI  and  TV 

(NTSC or PAL) do not match.

• Match the format of the GUI and 

TV.

34

No picture 
appears.

• The  connections  between  the 

AVR-3808CI  and  monitor  are 
faulty.

• The  monitor’s  input  setting  is 

wrong.

• PURE DIRECT mode is set.
• 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.

• Cancel the PURE DIRECT mode.
• High  definition  (1080i/720p)  and 

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

11 ~ 22

–

40, 41

–

No picture 
appears 
with HDMI 
connections.

• The  connections  to  the  HDMI 

connectors are faulty.

• HDMI input setting is improper.
• The  monitor  is  not  compatible 

with 

copyright 

protection 

(HDCP).

• The  HDMI  format  of  the  player 

and monitor do not match.

• Check the connections.

• Check the HDMI input setting.
• Connect  a  monitor  that  is 

compatible 

with 

copyright 

protection (HDCP).

• Match  the  HDMI  format  of  the 

player and monitor.

11

39

11

11

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.

15

DVDs cannot be 
copied on a VCR.

–

• This  is  not  a  malfunction.  Most 

movie  software  includes  copy 
prevention signals and cannot be 
copied.

–

G

VideoG