Hitachi C55WP910TN User Manual page 45

problem identification
1. No digital audio. Pressing
the info/recall button on your
handset doesn't show Digital
audio modes or format in top
right hand corner of screen.
2. Digital audio works but
only PCM mode is available
even when playing a DTS,
Dolby Digital or MPEG
encoded disc.
3. No sound even at
maximum volume, although
the correct picture can be
seen.
4. Picture is OK, but digital
audio is intermittent.
5. Picture and digital audio
are intermittent.
possible cause
No or poor digital connection
between television and external
equipment
Incorrect Decode Mode
Laserdisc with Dolby Digital RF
signal cannot be detected
Decode Mode is set for wrong
AV (you will have the correct
picture from your external
equipment but no sound)
Television is set to the wrong AV
(you will have the wrong picture
or no picture at all)
Player is not playing because it
has been switched off or placed
in 'Pause' mode.
Invalid or damaged disc has been
placed in player.
Signal options not supported by
television.
Digital audio out has not been
enabled on player.
Your external equipment has not
been configured to output a
digital bitstream, does not
support DTS, Dolby Digital or
MPEG output, or the correct
format is not enabled on the
external equipment.
You have not selected a DTS,
Dolby Digital or MPEG track from
the DVD title menu
Amplifiers muted or set to 'NONE'.
Headphones have been inserted
into front control panel.
External/internal speaker switch
is in the incorrect position.
Poor connections.
Faulty disc.
Faulty external equipment.
Has a scart lead connection been
made between TV and external
equipment?
Faulty external equipment.
remedy
See 'DVD, CD and LaserDisc
player connection'
Set the Decode Mode to
correct AV (see Decode
Mode set up procedure)
Fit adaptor as described in
'DVD, CD and LaserDisc
player connection'
Set the Decode Mode to
Digital or Auto (see 'Digital
Audio Status - Decode Mode'
set up procedure)
Use the Manual Setup
procedure to set the AV
correctly, or use the AV key
to cycle through the Audio
Visual options.
Refer to external equipment
instructions for compatability.
Refer to external equipment
instructions. Is the disc
compatible with the external
equipment you are using?
See Digital Audio Status for list
of modes available.
Refer to external equipment
instructions for compatability.
Refer to external equipment
instructions for compatability.
Refer to title menu on disc to
set audio format.
See the Speaker Setup menu.
Remove headphones.
Place in correct position to use
appropriate speakers.
Check your coaxial/optical
connections.
Try an alternative disc.
Try alternative equipment or
contact your equipments
supplier.
Check quality of connection.
Try alternative equipment or
contact your equipments
supplier.
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