Troubleshooting Guide
Before requesting service for this unit, check the chart below for a
possible cause of the problem you are expedancing. Soma 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 pro_em, refer to the directory
of Authorized Service Center (enclosed with this unit) to locate a
convenient service center.
(in U.S.A consult MSC Authodzed Servicanters for detailed instruc-
tions.)
I Problem I Probable cause(s)
Suggested remedy
While listening to FM
An unusual hissing noise is
heard when listening to the
broadcast in stereo, but not
heard when listening
monaurally.
Noise is excessive in both
stereo and monaural
broadcasts.
Sound is distorted,
"popping" noise is heard
and/or the volume level
becomes low.
Excessive distortion In the
sound of stereo broadcasts.
broadcasts
Due to the differences between monaural and
stereo signals, a higher level of signal strength is
required for proper stereo reception. Ifthe signal
level is low, a hissing noise may be produced on the
stereo chatlnel.
Poor location and/or direction of the antenna.
Transmitting station is too far away.
Broadcast signals are being disturbed by nearby
automobile traffic or airplanes.
Such noise is celled ignition noise, and occurs while
an automobile engine is running.
Nearby buildings or mountains.
[Multipath distortion is being caused by the mutual
interference of broadcast signals received directly
from the transmitting station (direct waves) and
signals being reflected from nearby buildings or
mountains (reflected waves).]
eln this case, set the unit for monaural reception to
reduce the hiss. Note that the broadcast will not
be heard in stereo.
elf an indoor antenna is being used, change to an
outdoor antenna.
• Try using an antenna with more elements,
• Try changing the Iocatioo, height and/or direction
of the antenna.
elf an indoor antenna is being used, change to an
outdoor antenna.
• Try using an antenna with more elements.
• lnstaffa special outdoor antenna.
• Relocate the antenna and the connection wires to
a ptace farther away from where automobiles
pass.
While listening to AM broadcasts
An unusual "beat" sound is Unit is being used atthe same time as a television
heard, set.
Interference from adjacent broadcast signals.
• Switch OFF the television set, or use this unit
farther away from it.
• Try reducing the treble sound by using the
equalizer controls.
While using the tape decks
Sound is low, poor tone, Heads, capstan and/or pinch roller are dirty. •Clean the heads, capstan and/or pinch roller, or
intermittent sound, noise, trya new cassette.
Previously recorded sound Erase head isdirty. •Clean the head.
has not been erased.
Sound output is hoarse or Heads are dirty. •Clean the heads.
unsteady. Tape is damaged; •Try operation with a new cassette; if there isno
problem with the new cassette, discard the
damaged cassette.
Recording is not possible. Erase-prevention tabs have been removed. •Attach tape to cover the space left by removal of
the erase-prevention tabs.
Poor sound quality The proper Dolby noise-reduction setting has not eSelect the correct setting.
(especially in the high treble been selected.
and low bass rankles)
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