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SECTION VI
USER REPAIR GUIDE
TEl, Inc. designed and built your FDC-3 Floppy-Disk Controller Card
for extreme reliability.
Before returning the card for repair,
please check the following items:
1)
Does power-supply fan run and memory-size prompt appear on
screen when System turned on and Operating System diskette
loaded into crive?
If not, check computer AC connection
and fuse. TURN POWER OFF AND UNPLUG LINE CORD FIRST.
2)
Is
card seated properly?
Turn power off, pull up Of.
ins10e
edg~
of
both
card
ejectors
(Figure
6-1)
·simultaneously to unseat card, then press firmly back into
socket.
If card still does not function properly, unplug signal
cable(s), unseat card as described above, remove unseated
card carefLllly from Computer, then place card on a clean,
firnl surface and GENTLY burnish each contact on both sides
of the S-IOO bus edge connector with a pencil eraser.
Do
not use a power eraser or an art gum eraser.
Replace card
in Computer, then reconnect signal cable(s).
Be sure to
seat both card and
co~nector(s)
firmly.
3)
Is each
diske~te-drive
signal cable seated properly?
Turn
power off, press firmly in on cable connector.
4)
Does problem exist for one diskette only?
If so, copy as
much material as possible from defective diskette to good
diskette and discar6 bad diskette.
5)
In multidrive
Syste~s,
does problem exist for one drive
only?
Check that motor in problem drive turns by looking
into drive
wi~h
door open.
If all above items check and FDC-3 card still aoes not function
correctly, please contact:
Custom~r
Support Coordinator
TEl, Inc.
5075 South Loop East
HOLlston, TX 77033 USA
(713) 738-2300
Tv~:
910-881-3639
6-1
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