AMSTRAD PC1512 - Flowchart

Trouble
3£
See
error command
of FDC.
See
this maintenance
maunal
to other
mechanical
troubles.
NO
YES
->-
Nn
YES
->-
Change
LED
V
Is
write protect
signal
received?
Medium may
be
damaged.
•-YES
—
NO
Does
it
write if
medium is changed?
Y
NO
Cannot
write
YES-
\/
Is write
protect seal
stuck
on
medium?
NO
Y
YES
Write protect
sensor has
failed. Check
write
protect
circuit and its
periphery.
J
Is head cord damaged
or disconnected?
V
NO
Remove seal
YES
Exchange
head
Is
write
gate
correctly
opened?
YES
_L_
Is setting
appropriate?
YES
NO
NO
Check circuit
check system
Drive NG
(stepping motor)
Check circuit