Position
the
System Unit Power switch
to
Off. Remove
the
Diskette Logic Printed Circuit Board. (See Section 3,
"Removal/Replacement.")
Move
the head
to
track 0 again.
Reinstall the Logic Printed Circuit Board. Position the System
Unit Power switch
to
On, and check for
the
voltage 0-0.8 Vdc
to
drop
to
at pin 26 on
the
diskette signal cable connector
('-
before the LED
is
lit
at
the end
of
the POST.
\
DID
YOU HAVE 0-0.8 Vdc AT
PIN
26?
NO
Replace the Diskette Logic Printed Circuit Board.
See
Section 3, "Removal/Replacement."
YES
600-16
To Next Page
Loading...
