Sony DVS-7200A Maintenance Manual page 123

(3) Checking the test result
Check the following items on each test item of the "FDC test".
(a) "0. Directory"
This test checks that the file names of the floppy disk which is currently inserted in the FDD.
(b) "1. Write protect"
This test checks that the write-protect status of the floppy disk.
(c) "2. Seek"
Check that "OK" appears on the "Seek" operation.
(d) "3. Read & Write"
Check that "OK" appears on the read and write operation of the FDD.
(e) "4. Format"
Check that "OK" appears on the formatting operation of the FDD.
n
. Items "2. Seek" and "3. Read & Write" of the "FDC test" menu require a formatted floppy
disk.
. Items "3. Read & Write" and "4. Format" of the "FDC test" menu damage to the stored
contents of floppy disk.
(4) Ending the test of the items of the FDC
Press your required terminal button to return to the "FDC test" display.
(5) Ending the "FDC test"
Input "Q" on the "FDC test" display and press [RETURN].
The display returns to the "H/W Tester on CPU-263" menu.
Input test No. > Q
DVS-7200AE MMP1
3-6. Troubleshooting (BKDS-7025/7026)
3-6-4. Test Procedures
3-55