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47 CA-EX70
ACTION
• Connect the power.
• Refer to “Connections” and
make sure all equipment is
connected correctly.
• Connect the speaker cords.
• Disconnect the
headphones.
• Turn VOLUME to the right.
• Make sure both speakers
are connected with the
correct polarity.
• Adjust the balance toward
the center.
• Make sure the speaker
cords are connected
securely.
• Make sure the antennas are
connected securely.
• Change the location and
direction of the AM loop
antenna.
• Strech the wire antenna out
and pin it in a position that
provides good reception.
• Replace the batteries.
• Reinsert batteries correctly.
• Point remote control at the
remote sensor on the
amplifier/tuner.
• Keep the remote sensor
away from direct sunlight.
Additional Information
POSSIBLE CAUSE
• The AC power cord is
disconnected.
• Connections are incorrect or
incomplete.
• The speaker cords are not
connected.
• Headphones are connected.
• The volume control is
turned all the way down.
• The polarity (+, –) of one
speaker is reversed.
• The balance is turned all the
way to the right or left.
• A speaker cords is
disconnected.
• Antenna is not connected.
• The AM loop antenna is too
close to the unit.
• The FM wire antenna is
laying in a pile on the floor.
• Batteries are exhausted.
• Battery polarity (+, –) is
reversed.
• Incorrect operation.
• The remote sensor is in
direct sunlight.
Troubleshooting
If you experience any difficulty with your units, check the following list for a possible solution before
calling for service. If you cannot solve the problem from the hints given here, or the units have been
physically damaged, call a qualified person, such as your dealer, for service.
SYMPTOM
Amplifier/tuner
Amplifier/tuner does not
respond.
No sound.
Sound placement and/or
motion is undefined.
Sound comes from only one
speaker.
Noise in broadcast signal
makes it difficult to hear.
Remote control does not work
EN40-52.CA-EX70[J]/1-5/21 98.6.9, 9:31 AM47