MX-5050 Operation and Maintenance Manual
May 1992
Section 5 Maintenance
5 - 3
4. Slowly move the tip of the demagnetizer up and down along the arm so that
the entire surface is exposed to the demagnetizing field. Do not touch any
part of the MX-5050 with the demagnetizer.
5. Slowly move the demagnetizer at least 1 meter (3 feet) away from the
MX-5050.
6. Working from left to right repeat Steps 3, 4, and 5 for each of the following
metal parts in the tape path:
A. Supply Tension Arm G. Take-up Tape Lifter
B. Supply Tape Guide H. Reproduce Head
C. Supply Tape Lifter I. Take-up Tape Guide
D. Erase Head J. Capstan Shaft
E. Center Tape Guide K. Take-up Tension Arm
F. Record Head
7. When all the above parts have been demagnetized, slowly move the
demagnetizer at least 1 meter (3 feet) away from the MX-5050 and turn it off
or unplug it.
5.3 Cleaning the Tape Path
It is extremely important to clean the entire tape path regularly. Oxide and dirt
will be shed from the tape and accumulate on these parts, causing a build-up
that can degrade audio performance, cause slippage and undue wear on the
tape.
CAUTION: Never use any metallic item or abrasive to clean the heads or any
other tape guidance parts. Never use spirits, lacquer thinner, acetone or other
solvents on the tape heads. Rubbing alcohol should be avoided since it
contains oil that will leave a residue. The entire tape path should be cleaned
and demagnetized before performing any adjustments.
1. Turn off the machine.
2. Lift up the head cover.
3. Moisten a cotton swab in pure isopropyl alcohol, and wipe the entire surface
of the Supply Tension Arm. Allow the Tension Arm to dry by evaporation.
4. Moisten additional swabs and clean the following parts:
A. Supply Tension Arm H. Take-up Tape Lifter
B. Tacho Roller I. Reproduce Head
C. Supply Tape Guide J. Take-up Tape Guide
D. Supply Tape Lifter K. Capstan Shaft
E. Erase Head L. Pinch Roller
F. Center Tape Guide M. Take-up Tension Arm
G. Record Head
CAUTION: Do not use alcohol moistened swabs to clean the Pinch Roller. To
avoid embedding dust and lint particles in the surface of these rollers, use
only an alcohol moistened
Lint-Free
cloth to gently clean the rollers.
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