Troubleshooting Chart - Sharp SD-AT50H Bedienungsanleitung

Troubleshooting chart

SD-AT50H
DX-AT50H
ENGLISH
Many potential problems can be resolved by the owner without calling a service tech-
nician.
If something is wrong with this product, check the following before calling your autho-
rised SHARP dealer or service centre.
! General
Symptom
" Is the volume level set to "0"?
No sound is heard.
" Are the headphones connected?
" Are the speaker wires disconnect-
" Is the speaker size set to NO (OFF)?
" Are the speaker leads connected to
The sounds from speakers
are not well balanced.
" Is each speaker placed at the same
" Are speakers adjusted to the same
" Move the system away from any
Noise is heard during play-
back.
" Set the system to the power stand-
When a button is pressed,
the system does not re-
spond.
" Is the system placed near TV with in-
Interference or noise occurs
on the TV image.
" Did you remove the plug from the
Timer playback does not
start.
" Hold down the DISPLAY button on
The display on the system is
dark.
" Is the system unplugged?
The power is not turned on.
" Are the system connection cables
" The protection circuit may be acti-
E-53
Possible cause Reference
page
P. 18
P. 28
P. 12
ed?
P. 41
P. 12
the wrong channels?
P. 16
distance from the listener?
P. 42
level?
computers or mobile phones.
P. 54
by mode and then turn it back on. If
the system still malfunctions, reset it.
P. 13
ternal aerial? Use an external aerial.
P. 24
wall socket, or did a power failure
occur? Reset the clock.
P. 18
the remote control for 2 seconds or
more to select "ON".
P. 18
P. 11
disconnected?
P. 54
vated. Unplug and plug in the power
lead again after 5 minutes or more.
Symptom Possible cause
" Is the initial setting screen set to
The sound is not reproduced
in the Dolby Digital 5.1 ch. "DPCM"? Change it to "BIT-
STREAM".
" Is TV turned on?
No images are displayed.
" Is the input of TV switched?
! Tuner
Symptom Possible cause
" Is the system placed near the TV or
The radio makes unusual
noises continuously. computer?
" Is the FM aerial or AM loop aerial
placed properly? Move the aerial
away from the AC power lead or the
system if located near.
" Did you remove the plug from the
The preset channel cannot
be recalled. wall socket, or did a power failure
occur?
Set the channel again.
! Remote control
Symptom Possible cause
" Is the battery polarity respected?
The remote control does not
operate properly.
" Are the batteries dead?
" Is the distance or angle incorrect?
" Are there any obstructions in front of
the AV control unit?
" Is the remote control sensor ex-
posed to strong light (inverter fluo-
rescent light, direct sunlight, etc.)?
" Is the remote control for another
equipment used simultaneously?
" Are buttons on the front and back
faces of the remote control pressed
simultaneously?
" Are the AC power leads of the DVD
The system cannot be turned
on with the remote control. player and the subwoofer/amplifier
unit plugged in?
" Are the batteries inserted?
02/8/28 SD-AT50H(H)E6.fm
Reference
page
P. 20
P. 51
P. 51
Reference
page
P. 13
P. 13
P. 26
Reference
page
P. 17
P. 17
P. 17
P. 18
P. 17