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MAINTENANCE
Cleaning Heads and Tape Path
Generally, cleaning heads after evary 10 hours of operation will
be sufficient. However, all surfaces over which tape tavels should
be cleaned before' making high quality recordings.
Dirty heads and tape path will cause:
'eLoss of high frequency response which results in poor sound
quality.
'@ Loss of sound volume in recording and pleybsck.
Dropouts.
A Increasa of wow and flutter.
'@ Unsatisfactory results in tape erasing.
For better access to the heads pull off the lower part of the head
cover, The upper part is better left In place, because it protects
the fixations for the eritical head
'Tako the supplied head cleaning aid {either ribbon or a tip) acd wipe
the heads and tape path. If the deposits are difficutt to remove,
foisten the ribbon
w i t h danatured alcohol or head cleaning
sohution,
'@ Bo oiireful not to scratch the head surface:
5a
'For easier cleaning of the pinch rollers and capstans rotate them
by holding one of the tension arms in operating position and
pushing the p> button.
20
Demagnotizing Heads
Residual magnetism will gradually build up on the heads through
continuous use end cause an increase of tape noise while record-
ing, and eresure of high frequencies or
h i s s build-up on your
prerecorded tapes. The heads and metallic parts of the tepe path
should therefore be demagnatized after every 40-50 hours of
'operation with # commercially available head demagnetizer.
Lubrication
To maintain the optimum performance of the TC-788-4, consult
your nearest Superscope Service Station once a year for lubrication
'ang inside check.
Cleaning of the Cabinet
Clean the cabinet, pane! and controls with @ soft cloth. If finger
prints, food and beverage stains, etc. 90 difficult to remove, ose
'2 damp cloth or a mild soap solution. Bo not use any type of
scouring powder. abrasive pad, or solvent.
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