Sharp HT-CN410DVH, Service Manual

Page: 13 / 84

HT-CN410DVH
13
TROUBLESHOOTING
If you experience any of the following difficulties while
using the system, use troubleshooting guide to help you
remedy the problem. Should any problem persist,
consult your nearest service centre.
No power:
l
Is the power cord firmly plugged into the power out-
let?
l
One of the safety mechanisms may be operating. In
this event, unplug the player from the power outlet
briefly and then plug it in again.
No picture:
l
Check that the system is connected securely.
l
The video connecting system coed is damaged.
Replace it with a new one.
l
Make sure you connect the system to video input con-
nector on the TV.
l
Make sure you turn on the TV.
l
Make sure you select the video input on the TV so
that you can view the pictures from this system.
The picture noise appears:
l
Clear the disc.
l
If video from this system has to go through your VCR
to get too your TV, the copy-protection applied to
some DVD programs could affect picture quality. If
you still experience problems after checking your con-
nections, please try connecting your DVD system
directly to your TV's S-Video input, if your TV is
equipped with this input.
The aspect ratio of the screen cannot be
changed even though you set "TV DISPLAY" in
the SETUP menu when you play a wide picture:
l
The aspect rate is fixed on your DVD disc.
l
If you connect the system with the S-Video cable,
connect directly to the TV. Otherwise, you may not
change the aspect rate.
l
Depending on the TV, you may not change the aspect
rate.
There is no sound or only a very low-level
sound is heard:
l
Check that the speakers and components are con-
nected securely.
l
Make sure that you have selected the correct source
on the system.
l
The protective device on the system has been acti-
vated because of a short circuit. Turn off the system,
eliminate the short-circuit problem and turn on the
power again.
l
The audio connecting cord is damaged. Replace it
with a new one.
l
The system or fast reverse is performed. Press PLAY/
PAUSE
3
/
8
to return to normal play mode.
l
Check the speaker settings.
The left and right sounds are unbalanced or
reversed:
l
Check that the speakers and components are con-
nected correctly and securely.
l
Adjust front balance parameter using SELECT and
/-.
Severe hum or noise is heard:
l
Check that the speakers and components are con-
nected correctly and securely.
l
Check that the connecting cords are away from a
transformer or motor, and at least 3 meters away from
a TV set or fluorescent light.
l
Move your TV away from the audio components.
l
The plugs and jacks are dirty, wipe them with a cloth
slightly moistened with alcohol.
l
Clear the disc.
The sound losses stereo effect when you play a
Video CD or a CD:
l
Set the Audio mode to "STEREO" in the SETUP
menu.
l
Make sure you connect the system appropriately.
l
The surround effect is difficult to hear when you are
playing a Dolby Digital sound track.
l
Check the speaker connections.
l
Depending on the DVD disc, the output signal may
not be the entire 5.1 channel but monaural or stereo
even if the sound track is recorded in Dolby Digital
format.
The sound comes from the centre speaker only:
l
Depending on the disc, the sound may come from the
centre speaker only.
No sound is heard from the centre speaker:
l
Make sure the centre is set to "ON" in SETUP menu.
l
You may set the listening mode to Dolby Pro Logistic
Phantom.
l
Adjust the speaker volume.
No sound or only a very low-level sound is
heard from the rear speakers:
l
Make sure the rear is set to "ON" in SETUP menu.
l
Adjust the speaker volume.
The language for the subtitles cannot be
changed when you play a DVD:
l
Multilingual subtitles are not recorded on the DVD.
l
Changing the language for the subtitles is prohibited
on the DVD.
The subtitles cannot turn off when you play a
DVD:
l
Depending on the DVD, you may not be able to turn
the subtitles off.
The angles cannot be changed when you play a
DVD:
l
Multi-angles are not recorded on the DVD.
l
Change the angles when the angle mark appears on
the TV screen.
l
Changing the angles is prohibited on the DVD.
The system does not operate properly:
l
Static electricity, etc., may affect the system's opera-
tion.
l
Press the POWER button to turn off, then press again
to turn on.