Last Function Memory; Initialization Of The Microprocessor; Troubleshooting - Denon AVR-2803 Instrucciones De Operación

ENGLISH
RT (Radio Text)
"RT" appears on the display when radio text data is
received.
When the RDS button is pressed until "RT" appears
on the display while receiving an RDS broadcast
station, the text data broadcast from the station is
displayed. To turn the display off, use the 0 and 1
cursor buttons on the remote control unit. If no text
data is being broadcast, "NO TEXT DATA" is
displayed.
This is the screen when operated.
13

LAST FUNCTION MEMORY

• This unit is equipped with a last function memory which stores the input and output setting conditions as they
were immediately before the power is switched off.
This function eliminates the need to perform complicated resettings when the power is switched on.
• The unit is also equipped with a back-up memory. This function provides approximately one week of memory
storage when the main unit's power switch is off and with the power cord disconnected.
14

INITIALIZATION OF THE MICROPROCESSOR

When the indication of the display is not normal or when the operation of the unit does not shows the reasonable
result, the initialization of the microprocessor is required by the following procedure.
1
Switch off the unit using the main unit's power
operation switch.
2
Hold the following FRONT SPEAKER button
and ZONE 2 button, and turn the main unit's
power operation switch on.
3
Check that the entire display is flashing with an
interval of about 1 second, and release your
fingers from the 2 buttons
microprocessor will be initialized
.
NOTES:
• If step 3 does not work, start over from step 1.
• If the microprocessor has been reset, all the button settings are reset to the default values (the values set
upon shipment from the factory).
Turning on the main unit's power from the standby mode without using the remote control unit
• Press the power switch on the main unit while pressing the SOURCE button on the main unit's panel to
turn on the power.
38
''0''
1, 2 2
and the
15

TROUBLESHOOTING

If a problem should arise,first check the following.
1. Are the connections correct ?
''1''
2. Have you operated the receiver according to the Operating Instructions ?
3. Are the speakers, turntable and other components operating property ?
''RDS''
If this unit is not operating properly, check the items listed in the table below. Should the problem persist, there
may be a malfunction.
Disconnect the power immediately and contact your store of purchase.
Symptom
DISPLAY not lit and sound not
produced when power switch set
to on.
DISPLAY lit but sound not
produced.
DISPLAY not lit and power
indicator is flashing rapidly.
Sound produced only from one
channel.
Positions of instruments
reversed during stereo
playback.
The on screen display is not
displayed.
System setup screen does not
appear
Humming noise produced when
record is playing.
Howling noise produced when
volume is high.
Sound is distorted.
Volume is weak.
Cause Measures
• Power cord not plugged in • Check the insertion of the power
securely. cord plug.
• Turn the power on with the remote
control unit after turning the
POWER switch on.
• Speaker cords not securely connected. • Connect securely.
• Improper position of the audio • Set to a suitable position.
function button.
• Volume control set to minimum. • Turn volume up to suitable level.
• MUTING is on. • Switch off MUTING.
• Digital signals not input Digital input • Input digital signals or select input
selected.
jacks to which digital signals are
being input.
• Speaker • Switch power off, connect speakers
terminals are short-
circuited. properly, then switch power back
on.
• Block the ventilation holes of the • Turn off the set's power, then
set. ventilate it well to cool it down.
Once the set is cooled down, turn
the power back on.
• The unit is operating at continuous • Turn off the set's power, then
high power conditions and/or ventilate it well to cool it down.
inadequate ventilation. Once the set is cooled down, turn
the power back on.
• Incomplete connection of speaker • Connect securely.
cords.
• Incomplete • Connect securely.
connection of
input/output cords.
• Reverse connections of left and • Check left and right connections.
right speakers or left and right
input/output cords.
• "On screen display" is set to off on • Set "on screen display" on the
the system setup menu screen. system setup menu screen to on.
• You are using headphones. • Unplug the headphones from the
headphones jack.
• Mute mode is set. • Cancel the mute mode.
• Monitor TV not connected to AVR- • Connect a monitor TV.
2803.
• Ground wire of turntable not • Connect securely.
connected properly.
• Incomplete PHONO jack • Connect securely.
connection.
• TV or radio transmission antenna
• Contact your store of purchase.
nearby.
• Turntable and speaker systems too • Separate as much as possible.
close together.
• Floor is unstable and vibrates easily. • Use cushions to absorb speaker
vibrations transmitted by floor. If
turntable is not equipped with
insulators, use audio insulators
(commonly available).
• Stylus pressure too weak. • Apply proper stylus pressure.
• Dust or dirt on stylus. • Check stylus.
• Cartridge defective. • Replace cartridge.
• MC cartridge being used. • Replace with MM cartridge or use a
head amplifier
transformer.
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