Troubleshooting - Marantz SR4320 Guia Del Usuario

TROUBLESHOOTING

In case of trouble, check the following before calling for service:
1. Are the connections made properly?
2. Are you operating the unit properly following user's guide?
3. Are the power amplifiers and speaker working properly?
PROBLEM
No power.
The sound is shut off
No sound from the speakers
Sound is only heard from one of front
speakers
The remote control unit does not
operate
Not receiving the station
Not receiving the preset station
FM or AM reception fails
Noise is heard during AM reception
Noise is heard during AM reception
GENERAL MALFUNCTION
If the equipment malfunctions, this may be because an electrostatic
discharge or AC line interference has corrupted the information in the
equipment memory circuits. Therefore:
– disconnect the plug from the AC line supply
– after waiting at least three minutes, reconnect the plug to the AC
line supply
– re-attempt to operate the equipment
Memory backup
• In case a power outage occurs or the power cord is accidentally
unplugged, the SR4320 is equipped with a backup function to
prevent memory data such as the preset memory from being
erased.
The memory functions are backed up for up to about one week.
Note:
First of all keep SR4320 Standby or Powered-on more than 6 hours,
to sufficient time for memory hack up.
POSSIBLE CAUSE
• The AC input cord is disconnected.
• Poor connection at AC wall outlet or the outlet
is inactive.
• The speaker cables are shorted.
• The speaker cables are disconnected.
• The master volume adjusted too low.
• The mute button is pressed to on.
• The speaker switches are not pressed
correctly.
• Incorrect selections of program source.
• Incorrect connections between the
components.
• The headphones are connected to the
headphone jack.
• The BALANCE control is set to one end.
• One of the connection cords is disconnected.
• Batteries are not loaded or exhausted.
• The remote sensor is obstructed.
• No antenna is connected.
• The desired station frequency is not tuned in.
• An incorrect station frequency has been
memorized.
• The memorized stations are cleared.
• Antenna connection is incomplete.
• Reception is affected by other electrical
fields.
• Radio waves from the broadcasting station
are weak.
18
If the unit does not operate properly, check items shown in the following
table.
If your trouble cannot be recovered with the remedy actions listed in the
following table, malfunction of the internal circuitry is suspected;
immediately unplug the power cable and contact your dealer, nearest
Marantz distributor or the Marantz Service Center in your country.
• Connect cord securely.
• Check the outlet using lamp or other
appliance.
• Check the speaker connections.
• Check the speaker connections.
• Adjust the master volume.
• Press the MUTE button to cancel.
• Press the speaker switch to ON.
• Select the desired program source correctly.
• Make connections correctly.
• Disconnect the headphones. (Speakers will
not output any sound when headphones are
connected.)
• Adjust BALANCE control.
• Connect the right and left connection cords
securely.
• Replace the batteries with new ones.
• Remove the obstacle from the remote sensor.
• Connect an antenna.
• Tune in the desired station again.
• Memorize the correct station frequency.
• Memorize the stations again.
• Correctly connect the indoor FM and AM
antennas to FM and AM antenna terminals.
• Try changing location where the AM indoor
antenna is set up.
• Install an FM external antenna.
HOW TO RESET THE UNIT
Should the operation or display seem to be abnormal, reset the unit
with the following procedure.
Press the POWER button to set SR4320 in standby mode, then press
and hold the F/P button until SR4320 is turned on.
Remember that the procedure will reset the settings of the function
selector, tuner preset etc., to their initial settings.
REMEDY