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TROUBLESHOOTING
Problem
A loud hissing noise is heard when you
play back a source encoded with DTS.
A percussive noise is heard when you
begin playing back a source encoded with
DTS.
No sound is heard when you play back a
source encoded with DTS, even though the
“AUTO” or “DTS” input mode is selected
on this unit.
No sound is heard when you play back an
MD onto which you have recorded a
source encoded with DTS.
No sound is heard when you play back a
DAT onto which you have recorded a
source encoded with DTS.
No sound is heard when you play back a
source (CD etc.) even though the currently
selected input mode is “AUTO”.
Problem
FM stereo reception is noisy.
There is distortion and clear reception
cannot be obtained even with a good
FM antenna.
A desired station cannot be tuned in
with the automatic tuning method.
Previously preset stations can no
longer be tuned in.
A desired station cannot be tuned in
with the automatic tuning method.
There are continuous crackling and
hissing noises.
There are buzzing and whining noises
(especially in the evening).
Cause
The player which plays back the source is
not connected to a digital audio signal input
terminal of this unit.
The “ANALOG” input mode is selected on
this unit.
If the “AUTO” input mode is selected,
depending on some sources, there may be a
case that a noise is heard while this unit is
identifying the format of input signal.
The DTS decoder built into this unit does not
function because the player has a digital
volume control and it is set at a position
other than “maximum”, “neutral” or
“ineffective”.
A source encoded with DTS cannot be
recorded onto an MD.
Depending on a DAT deck, a source
encoded with DTS cannot be recorded onto
a DAT.
In the “AUTO” mode, DTS-decoding mode
cannot be changed to the normal (PCM)
digital signal input mode automatically.
Cause
Because of the characteristics of FM stereo
broadcasts, this is limited to cases where
the transmitter is too far away or the
antenna input is poor.
There is multipath interference.
The station is too weak.
This unit has been unplugged for a long
period.
Weak signal or loose antenna connections.
Noises result from lightning, fluorescent
lamps, motors, thermostats and other
electrical equipment.
A television set is being used nearby.
What to Do
The player must be connected to a digital
audio signal input terminal of this unit besides
analog audio signal terminal connections.
Select a proper input mode on this unit to turn
on the DTS decoder built into this unit.
Set the input mode of the currently selected
input source to “DTS”.
Set the player’s digital volume control at the
maximum, neutral or ineffective position.
Press the INPUT MODE button on the front
panel or the input selector button (for the
currently selected source) on the remote
controller so that “PCM” appears on the
display.
What to Do
Check the antenna connections.
Try using a high quality directional FM
antenna.
Set the TUNING MODE button to the manual
tuning mode.
Adjust antenna placement to eliminate
multipath interference.
Use the manual tuning method.
Use a high quality directional FM antenna.
Repeat the presetting procedure.
Tighten the AM loop antenna connections
and rotate it for best reception.
Use the manual tuning method.
Use an outdoor antenna and a ground wire.
This will help somewhat but it is difficult to
eliminate all the noises.
Relocate this unit away from the TV.
When playing back a source encoded with DTS:
Tuner
Notes
• It is necessary to use a DTS decoder to play back a source encoded with DTS, so the player which plays back a source must be
connected to a digital audio input terminal of this unit in the way described in this manual. If this connection is not made or only a
D-to-A converter is used without using a DTS decoder, when you play back a source, only a loud hiss noise will be heard.
• If you make a search (or skip etc.) operation while playing back a source encoded with DTS, the “dts” indicator goes out from the
display. This is because this unit automatically changes the DTS-decoding mode to the standard (PCM) digital signal input mode
to prevent a noise from being output.
• A source encoded with DTS cannot be recorded onto analog audio and video tapes, and also, an analog tape recorded with a
source encoded with DTS cannot be played back.
The same result is obtained for MDs and DATs (depending on a DAT deck used for recording and/or playback).
FMAM
Although you make the operation for
recalling a preset station, the station
cannot be tuned in, or a station other than
the preset one is tuned in.
Some memory of the preset stations was
modified because the setting of the
FREQUENCY STEP switch was changed
after storing stations.
Repeat storing stations by following the
preset tuning procedure.
<For China and General models only>