Amplifier, I, i t . i , {j: ^ .1 i . [ . [ . l i, Ìm^mrncùh – Kenwood 1070VR User Manual
Page 47: Resetting the microcemputer, Tuner
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1D70VR/105QVR [En/K)
Resetting the Microcemputer
If the microcomputer may malfunction (unit cannot be operated, or
shows an erroneous display) if the power oord 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,
Unplug the power cord from the wall outlet, then plug
it back In while holding down the POWER key.
*
Please note that resetting the microcomputer will dear the contents
of the memory and returns the unit to the state it was in when it left
the factory
Amplifier
.Symptom Cause Remedy
No sound from the speakers.
•
The speaker cords are disconnected.
♦
VOLUMC ii sft1: to the minimum position,
*
MUTE is ON,
•
The SPEAKERS switches are set to OFF.
•
Connect them properly referring to "Connect
ing the speakers"
^riTl
•
Adjust the volume to a proper level.
•
Turn OFF the MUTE.
•
Set the SPEAKERS switch(es) to ON. -[gjJ
The standby indicator blrnks and sound is
not output.
*
Speaker cords are short-circuited.
•
Turn the power off, eliminate the short-
circuiting, then turn on the power again
-CEI
Soundisnot output fromone of thespeak-
ei&.
•
The speaker cord is disconnected
•
The speaker balance is set to an extreme
position.
•
Connect
It
properly referring to "Connecting
the speakers".
•
Adjust the speaker ieveis using the test tone
-Cffl
Sound rs not output from the rear fsur'
round) speakers and/or the center speaker,
or their sound is very small.
•
The rear speaker cords and/or the center
speaker cord is disconnected
•
A surround mode has not been engaged.
•
The rear and/or center volume controls are set
to the minimum level.
•
Connect it properly referring to "Connecting
the speakers".
•
Select a surround mode.
•
Adjust the speaker ieveis using the test tone
A humming noise is generated when the
PHONO input selector is selected.
•
The audio cord from the turntable is not con
nected to the PHONO jacks.
•
The turntable is not grounded.
•
Insert the audio cord plugs securely into the
PHONO jacks.
•
Connect the grounding wire to the GND termi
nal on the rear panel.
Tuner
\ * j. • • 1 : 'Rriipu* Ì ; ‘ • • ' l l
■ "i ' r-r*-i' ^ t ; - 4 Tfii
Radio Stations cannot be received.
•
No antenna is connected.
•
The broadcast band is not set properly.
•
The frequency of the desired station is not
tuned.
•
Connect an antenna.
•
Set the broadcast band properly.
•
Tune the frequency of the desired station.
•
Install the outdoor antenna away from the
road.
•
Turn off the power to the appliance.
•
Install the receiver farther away from the TV.
Interference.
• 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.
• Preset a station with a receivable frequency.
• Preset the stotion agoin.