Teac FD-55 Series, Руководство по обслуживанию

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CD Inferior head pad:
Replace the pad according to item 4-5-9.
Q Inferior disk:
Disk and/or jacket is deformed or damaged. Replace the work
disk with a new one,
O Inferior pressure of the jacket pads:
The jacket pad attached under the set arm (see Fig.506, No.8, 9A
and 9B) does not touch the disk jacket surface, If item (h) is
improved when the jacket surface is touched by a common screwdriver
very lightly, execute the adjustment of the clamp arm position
according to item 4-4-2, or replace the pad 9B to P/N 16707076-02
(Disk pad 2.5t).
Caution: If the jacket surface is excessively pressed, it might be
deformed or the spindle motor might be overloaded because
of increasing the rotation torque. If item Q is done,
measure the +12V current consumption of the FDD and confirm
that the current does not exceed 300mA by an DC clip-on
ammeter. For a commercially available general disks, the
desirable current is 250mA, Max.
@ Inferior head:
Replace the head carriage Ass'y according to item 4-5-1.
iv) Remove the work disk and apply a drop of locking paint around the
rotating area of the head pad. Be careful not to smear the groove
for common screwdriver with the locking paint.
(L) Possible causes for the insufficient head touch in a double sided FDD:
Following causes are assumed for the insufficient result in items (h)
through (j) on a-double sided FDD.
i) Inferior disk:
Disk and/or jacket is deformed or damaged. Replace the work disk
with a new one.
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