Trouble Checks - Sony TC-R303 Service Manual

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TROUBLE CHECKS

The following trouble checks will help you correct the most common problems encountered with
Should any problems persist after making these checks, consult your nearest Sony dealer.
Before proceeding with these trouble checks, first confirm the following basic points:
The power cord is firmly connected.
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*The amplifier connections are firmly made.
The heads, capstan and pinch roller are clean.
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The amplifier controls and switches are set correctly.
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Symptom
Function buttons do not activate.
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button does not activate.
Automatic shut-off mechanism activates
before the tape comes to its end.
Excessively loud tape transport noise when
rewinding or fast-forwarding
Symptom
Quick reverse function does not operate.
there is a decrease in sound level.
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L 13942296513
Excessive wow or flutter or dropout
Unbalanced tone in high frequencies
Symptom
H u m n o i s e
occurs when trying to
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record from microphones.
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Cassette holder is not fully closed.
No cassette in the holder.
Tab has been removed from the cassette.
Tape is slack.
Cassette shell is deformed.
The inside of the cassette holder is
illuminated by stronq liqht.
This depends on the cassette used and is
not a problem.
DIRECTION MODE selector is released
Record/playback and erase heads are either
dirty or magnetized.
Improper connection
Improper setting of the amplifier controls
Head, capstan or pinch roller is dirty.
Erase head is dirty.
Head is magnetized.
Improper setting of the DOLBY NR switch.
setting of the TAPE select
The unit is placed near a television set.
Tape deck is stacked on or under the
amolifier
Recording was made near such equipment
as a television set or a color monitor, and
interference has affected the recording on
the tape and the Dolby NR system.
The microphone
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Cause
Cause
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Cause
too close to the
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deck.
your tape
Remedy
Insert a cassette.
Cover the hole with plastic tape.
Take up the tape slack.
Use other cassettes.
Remove the light source.
Remedy
Press the selector and set to = 0
(depressed).
Clean or demagnetize the heads.
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Make connections properly.
Set the amplifier controls to the appropriate
positions.
Clean them.
Clean the erase head.
Demagnetize the head.
When playing back, set the button to the
same position used in recording.
If recorded with the wrong button pressed,
adjust the tone controls of the amplifier in
playback.
Move the deck away from the television set.
Remedv
Separate the units.
Move the unit away from television set or
Move it away from the speakers or reduce
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the amplifier volume.
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English
87CO293-1
Printed in Japan
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