Maintenance; Cleaning; Troubleshooting; In Case Of Difficulty - Marantz 5220 Instruction Manual

REPAIRS
MAINTE ANC
CLEAI\IING
The satin gold anodized finish of the aluminum
front panel and the smoked plexiglas window will
last indefinitely with proper care and cleaning.
NEVER use scouring pads, steel wool, scouring
powders, or harsh chem ical agents, such as lye
solution. These will mar the finish. Clean with a
soft lint-free cloth or cotton swab slightly
dampened with a mild solution of detergent and
water.
IN CASE OF DIFFICULTY
If your set is not operating properly, check the
following points:
1. Tape not running.
• Improper connection of power cord.
• POWER switch in OF F position.
• Defective cassette.
2. Record button will not go down.
• No cassette inserted.
• No erasure prevention tab on cassette.
3. Tape ru ns but no sou nd.
• Tape not recorded.
• Improper or incorrect connection of
amplifier or speaker.
• Volume control of amplifier
IS In
MIN
position.
• Ampl ifier select switch not in TAPE pos­
ition.
4. Level meter is dead during recording (no
recording) .
• DOLBY FM-ON switch is depressed.
5. Distortion in sound.
• Record level is too high.
6. Wow in sound.
• Tape head is dirty.
• Pinch-roller (capstan) is dirty.
• Defective tape (warped or stretched tape).
• Tape is not wound neatly or it is wound too
tight.
• Defective cassette with excessive tape drag.
7. Excessive noise.
• Tape head requires demagnetization.
• Defective tape.
8. Hum in sound.
• Improper connection of shielded cable.
• AC magnetic field from power transformer
of external equipment is in close proximity
to tape head.
Only the most competent and qualified service
technicians should be allowed to service the
Model 5220. The Marantz Company and its
factory-trained warranty station personnel have
the knowledge and special equipment needed for
repair and calibration of this precision instru ­
ment.
In the event of difficulty, refer to the list of
Authorized Marantz Service Stations packed with
the Model 5220 or write directly to the location
listed below for the name and address of the
Marantz authorized service station nearest your
home or business. Please include the model and
serial number of your unit together with a full
description of what you feel is abnormal in its
behavior.
Marantz Company, Inc.
Technical Service Dept.
P.O. Box 577
Chatsworth, CA 91311
U.S.A.
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