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Troubleshooting; Maintenance - Pyle PT639D User Manual

Dual cassette deck stereo

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When the recording source and electric level are correctly
set, put the record tape into deck B as the picture shows.
Close the deck until it locks shut.
Press REC in deck B to start recording.
Press the STOP button in deck B to stop recording.

MAINTENANCE

Head Cleaning
After ten hours of usage, tape coating material or dust may adhere to the heads,
causing deterioration of sound. Therefore, the parts depicted in the illustration
should be cleaned reguraly. Use a cotton swab moistened with a tape head
cleaning solution (such as alcohol).
Cassett B
Magnetic head
Magnetic head
DEMAGNETIZATION
After 20-30 hours of use, enough residual magnetism will
build up on the heads to cause poor high frequency
reproduction. At this time you should use a commercially
available cassette tape-type head demagnetizer.
When cleaning the tape path or demagnetizing the
heads, be sure to follow carefully the instructions of the
concerning materials such as cleaning uid or head
demagnetizer.
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Cassett A
Capstan
Pinch roller
Magnetic head
Demagnetizer
Magnetic head

TROUBLESHOOTING

If your cassette deck fails to operate normally, check the following table.
It lists common operating errors and simple measures which you can take to
correct the problem. If it cannot be corrected, or the symptom is not listed,
disconnect the deck's power cord and contact your authorized dealer or
authorized service center for help.
No power and no display:
Make sure that the power cord is properly plugged into the wall outlet,
check if the fuse is broken. Press POWER button.
No sound:
Check if the POWER switch is turned o . No cassette is loaded.
Check the connection to the stereo system. Adjust the volume of the ampli er.
The stereo ampli er's input selector is set to the wrong position.
Sound is warbled or distorted:
Make sure that the inputs and outputs of all components are connected properly.
Clean and demagnetize the heads.
Failure in inserting the tape:
Insert the cassette with the exposed tape side facing down.
Insert the cassette tape securely.
Tapes often tangle with deck:
The heads, pinch rollers, or capstan shafts are dirty. Clean the tape head.
Insert the cassette tape securely. Replace tape.
Poor Sound:
Check that Digital DNR position. Clean and demagnetize the heads.
Check the connection to the stereo system.
Failure in recording:
If the safety tabs of the cassette tape have been broken o , cover the holes with
adhesive tape. Check the connection to the stereo system.
Clean and demagnetize the heads.
Improper display:
The unit is strongly a ected by the surrounding. Unplug the power cable and
plug it ten seconds later, the press the POWER button down.
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