Table of Contents
Advertisement
Resetting the Microcomputer
If the microcomputer may malfunction (unit cannot be operated, or
Unplug the power cord from the wall outlet, then plug
shows an erroneous display) if the power cord is unplugged while the
power is ON, or due to some other external factor. If this happens,
execute the following procedure to reset the microcomputer and
return the unit to its normal operating condition.
the factory.
it back in while holding down the POWER key.
¢ Please note that resetting the microcomputer will clear the contents
of the memory and returns the unit to the state it was in when it left
40410
Amplifier
No sound from the speakers.
The standby indicator blinks and sound is
not output.
Sound is not output from one of the speak-
ers.
Sound
is not output from the rear (sur-
round) speakers and/or the center speaker,
or their sound is very small.
A humming
noise is generated when the
PHONO input selector is selected.
The initial sound is intermittent when start-
ing playback from an AC-3 source ina DVD
player.
No sound when playing a DVD.
The speaker cords are disconnected.
e VOLUME is set to the minimum position.
* MUTE is ON.
« The SPEAKERS switches are set to OFF.
Speaker cords are short-circuited.
The speaker cord is disconnected.
The speaker balance is set to an extreme
position.
The rear speaker
cords and/or the center
speaker cord ts disconnected.
« A surround mode has not been engaged.
e The rear and/or center volume controls are set
to the minimum level.
The audio cord from the turntable is not con-
nected to the PHONO jacks.
The turntable is not grounded.
There are differnent causes for different types
of DVD players.
Connect them properly referring to "Connect--
ing the speakers"
~ 13.
© Adjust the volume to a proper level.
© Turn OFF the MUTE.
-fie
Set the SPEAKERS switchies) to ON. ~ 18.
Turn
the
power
off,
eliminate
the
short-
circuiting, then turn on the power again.
~ aE
Connect it properly referring to "Connecting
the speakers".
Adjust the speaker levels using the test tone.
7
Connect it properly referring to "Connecting
the speakers".
¢ Select a surround mode.
Adjust the speaker levels using the test tone.
ar
Insert the audio cord plugs securely into the
PHONO Jacks.
Connect the grounding wire to the GND termi-
nal on the rear panel.
With certain DVD
players, the initial sound
may be intermittent.
A PCM source is being played back.
Digital playback is not possible from Dolby
Digital (AC-3) sources.
Tuner
Symptom
Radio Stations cannot be received.
Interference.
The sound mode Is set to "STEREO".
No antenna is connected.
e The broadcast band ts not set properly.
The frequency of the desired station is not
tuned.
e Press the STEREO key.
e Press the DOLBY DIGITAL key to select the
Dolby Digital (AC-3) mode.
¢ Connect an antenna.
e Set the broadcast band properly.
e Tune the frequency of the desired station.
~
Noise due to ignition noise from an automo-
bile.
Noise due to interference from an electric
appliance.
Noise due to a nearby TV set.
A station which was preset cannot be re-
ceived by pressing the corresponding nu-
meric key.
The preset station belongs to a frequency that
cannot be received.
The preset memory was cleared because the
power cord had been unplugged for a long
period of time.
Install the outdoor antenna away from the
road.
Turn off the power to the appliance.
Install the receiver farther away from the TV.
Preset a Station with a receivable frequency.
Preset the station again.
Advertisement
Table of Contents
