Troubleshooting Guide - Sony XR-M550 Mode D'emploi

Troubleshooting guide

The following checklist will help you remedy the problems you may encounter with your unit.
Before going through the checklist below, check the connections and operating procedures.
General
Problem
No sound.
The contents of the memory
have been erased.
The sound is noisy.
Tape playback
Problem
The sound is distorted.
The AMS does not operate
correctly.
Radio reception
Problem
Preset tuning is not possible.
Automatic tuning is not
possible.
The stations cannot be
received.
The sound is hampered by
noises.
The "ST" indication flashes.
Interference occurs during FM
reception.
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Cause/Solution
•Cancel the ATT function.
•Set the fader control to the center position for two-speaker
systems.
•Press (+) of the VOL buttons to adjust the volume.
• The power cord or battery has been disconnected.
• The reset button was pressed.
t Store again into the memory.
You are using a mobile phone.
Cause/Solution
The tape head is contaminated.
t Clean the head with a commercially available dry-type
cleaning cassette.
• There is noise in the space between tracks.
• A blank space is too short (less than four seconds).
• A long pause, or a passage of low frequencies or very low
sound level is treated as a blank space.
Cause/Solution
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
•The broadcast signal is too weak.
t Use manual tuning.
•The local seek mode is set to "on."
t Set the local seek mode to "off" (page 13).
Connect a power antenna control lead (blue) or accessory
power supply lead (red) to the power supply lead of a car's
antenna booster. (When your car has built-in FM/AM antenna
in the rear/side glass only.)
•Tune in the frequency accurately.
•The broadcast signal is too weak.
t Set to the Mono mode (page 13).
The Wide mode is selected.
t Set the IF mode to IF Auto (page 13).