Last Function Memory; Initialization Of The Microprocessor; Troubleshooting - Denon AVR-3805 Operating Instructions Manual

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 left and right
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.
14

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 resetting 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 from when the main unit's power switch is off and with the power cord disconnected.
15

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 PURE DIRECT button and
DIRECT 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.
54
"left"
"RDS"
RC-970
1, 2 2
NOTES:
and the
• If step 3 does not work, start over from step 1.
• If the microprocessor has been reset, all the
settings are reset to the default values (the values
set upon shipment from the factory).
16

TROUBLESHOOTING

If a problem should arise,first check the following table.
1. Are the connections correct ?
2. Have you operated the receiver according to the Operating Instructions ?
"right"
3. Are the speakers, turntable and other components operating property ?
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.
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 securely. • Check the insertion of the power
cord plug.
• Turn the power on with the remote
control unit
POWER switch on.
• Speaker cords not securely • Connect securely.
connected. • Set to a suitable position.
• Improper position of the audio
function button. • Turn volume up to suitable level.
• Volume control set to minimum. • Switch off MUTING.
• MUTING is on. • Input digital signals or select input
• Digital signals not input Digital input jacks to which digital signals are
selected. being input.
• Speaker terminals are short- • Switch power off, connect speakers
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 connection of • Connect securely.
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.
• 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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