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Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or a
minor adjustment on your part may eliminate the problem and restore proper operation.
If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory of
Authorized Service Centers (enclosed with this unit) to locate a convenient service center, or consult your dealer for instructions.
Problem
Probable cause(s)
Suggested remedy
Problems common to all systems
There is no sound when the
power is ON.
The location of the various
musical instruments is not
weil defined.
The left and right sounds
are reversed.
When listening to the
externai unit, the left and
right sounds are reversed.
Only one speaker is
emitting sound.
There is no sound when a
source Is being played.
"U-70" display appears on
the CD player or tuner/
sound processor display.
There Is a "rushing noise"
during a stereo broadcast
which Is not audible during
@ monaural broadcast.
You hear excessive noise
during a stereo broadcast,
and occasionally the sound
disappears.
The stereo indicator
flickers and does not light
completely.
The sound during a stereo
broadcast Is highly
distorted.
Volume is set too low.
The (+) and (—) connections to one of the
speakers are reversed.
The left and right connections to the speaker are
reversed.
The left and right connections to the external unit
are reversed.
One of the wires of the speaker cord is
disconnected.
The (+) and (—) wire of the speaker cords are
shorted.
Flat cables are not connected steadily.
While listening to FM broadcasts
The transmitting station is a long distance away.
antenna are unsuitable.
(reflected wave).]
Adjust the volume level with the volume control on
the amplifier.
Connect the speaker cord correctly.
Connect the speaker cords correctly.
:
Connect the external unit's cord correctly.
Connect the speaker cord correctly.
Switch the system to the standby mode, and
reconnect the speaker cords so that they are not
shorted. Then switch on the power.
The installation focation and orientation of the
The transmitting station is a long distance away.
The power of the TV set or VCR is ON.
There is a building or mountain nearby. [Distortion
Connect the flat cable steadily.
lf you are using an indoor antenna, change to an
outdoor antenna.
®lf you are using a high-grade outdoor antenna, try
changing the installation location, height, and
orientation.
Try switching off the TV set or VCR.
Use a high-grade outdoor antenna, and install it in a
is caused by interference between the signal from
the transmitting station (direct wave) and the
signal reflected from the building or mountain
good location, height, and orientation for reception.
While listening to MW/LW broadcasts
You hear an unusual beat
sound.
You hear a low-frequency
hum.
You are using the system at the same time you
are playing a TV set.
The antenna wire is near the mains lead.
Switch off the TV set, or use the system further away
from it.
Separate the antenna wire from the mains lead.
THAN YOUR EXISTING AM MONO TUNER/RECEIVER.
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