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Reference
If this system does not work properly despite the above “Possible solution”
Many functions of this system are controlled by microprocessors that can be reset by recycling the power
supply. If pressing any button does not result in the normal action, disconnect the power cable from the outlet,
wait for a while, and connect the power cable again.
Problem Possible cause Possible solution
Reference
page
No sound/video is
produced.
Improper connection. Connect all cables properly. 5
Headphones are connected. Disconnect the headphone plug. 3
No sound/video is pro-
duced via the [HDMI]
terminal. (Only for DD-8/
DD-3)
A disc/file recorded in a format
incompatible with the main unit/
TV is played back.
Confirm the playable disc/file
types.
49
The connected TV is not com-
patible with HDCP.
Connect a TV compatible with
HDCP.
12, 13
The main unit fails to recognize
the TV connected to the [HDMI]
terminal.
Disconnect the HDMI cable and
connect it again.
12, 13
An HDMI cable longer than 5 m
(15 feet) is used.
Use an HDMI cable of 5 m (15
feet) or shorter to assure stable
operation and picture quality.
–
Disc playback does not
start.
The disc is upside down.
Place the disc on the disc tray with
the printed surface facing up.
23
Moisture has condensed on the
lens.
Leave the main unit turned on, wait
for approximately 1 or 2 hours, and
then operate the main unit.
47
A certain point cannot be
played back properly.
The disc is scratched or dirty. Clean or replace the disc. 52
The picture is distorted
when the TV is con-
nected to the [HDMI] ter-
minal. (Only for DD-8/
DD-3)
The proportion of the picture is
not appropriate.
Connect the TV to the [VIDEO] ter-
minal or [S-VIDEO] terminal, and
select the video signal type and
the monitor out type.
12-14
A radio broadcast can-
not be received.
No antenna is connected. Connect an antenna. 5
A whirring noise is pro-
duced.
The main unit is located close
to a TV, computer, or other
electric appliance.
Place the main unit away from a
TV, computer, or other electric
appliance.
48
The disc tray does not
eject.
If “LOCKED” appears in the dis-
play window, disc ejection has
been locked.
Cancel the disc ejection lock. 20
You cannot operate the
remote control.
The remote control batteries
are running low.
Replace the batteries with new
batteries.
4
You cannot operate the
main unit using the
remote control.
The remote control mode selec-
tor on the remote control is slid
to [TV] or [VCR/DBS].
Slide the remote control mode
selector to [AUDIO].
17
MP3, WMA, WAV,
JPEG, ASF, DivX,
MPEG1 or MPEG2 files
cannot be played back.
The loaded disc may include
files of different types (MP3,
WMA, WAV, JPEG, ASF, DivX,
MPEG1 or MPEG2).
Select “FILE TYPE”. You can play
back only the files of the types
selected with “FILE TYPE”.
If the main unit has read the file
before you make the “FILE TYPE”
setting, perform either of the fol-
lowing after setting “FILE TYPE” to
the desired file type.
• For playing back files on the
disc, reload the disc.
• For playing back files on the
USB mass storage class device,
disconnect the USB mass stor-
age class device and then con-
nect it again.
39
Playback starts sud-
denly.
QP LINK may be working. This
is not a malfunction.
Select “QP OFF”. 43
Troubleshooting
DD-831[A_Ux].book Page 53 Tuesday, October 10, 2006 10:12 AM