Diskette Drive - IBM 5150 Hardware Maintenance Manual

DISKETTE DRIVE ERRORS
Error
Code
r",
606
Y our Diskette Drive
asesmbly or Diskette Drive
Adapter has failed.
607
1. Are you using a diskette
that is write
protected? YES:
2. Is the diskette inserted
properly? .
NO:
3. Is there 0 Vdc between
r-­
TP-9 and TP-I O? . NO:
4. Is there 0-0.8 Vdc at
Pin 28 when the LED
is on? YES:
608
There is a problem with
your Advanced
Diagnostic Diskette.
~
611
Your signal cable or
Diskette Drive Adapter
has failed.
Repair Action
Replace:
1. Diskette Drive
assembly.
2. Diskette Adapter (See
Section 3, "Removal/
Replacement").
Use a diskette that is
not
write protected .
Insert diskette properly.
•
Replace Write Protect
switch. (See Section 3,
"Removal/
Replacement. ")
Replace Logic Printed
Circuit Board. (See
Section 3, "Removal/
Replacement. ")
Use your backup
diagnostic diskette.
Check the signal cable
and replace Diskette
Drive Adapter. (See
Section 3, "Removal/
Replacement. ")
600-27