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problem isolation procedures in section 2.6.
7. If an error is detected during the keyboard test, go to keyboard
problem isolation procedures in section 2.7.
8. If an error is detected during the display test, go to display
problem isolation procedures in section 2.8.
<fig id=MMS\5200\52002_16.TIF>Page 2-16</fig>
PROCEDURE 4
System Board Replacement
1. Replace the system board. (Refer to section 4.13.)
2. If normal operation is restored after replacing the system board,
the original system board is probably defective.
3. If normal operation is not restored, another FRU is probably
defective. The defective unit must be isolated by test and
diagnostics program and replaced.
<fig id=MMS\5200\52002_17.TIF>Page 2-17</fig>
PROCEDURE 5
Memory Board Replacement
1. Replace the memory board. (Refer to section 4.11.)
2. If normal operation is restored after replacing the memory board,
the original memory board is probably defective.
3. If normal operation is not restored, the system board is probably
defective. Go to PROCEDURE 4.
<fig id=MMS\5200\52002_18.TIF>Page 2-18</fig>
PROCEDURE 6
I/O Board Replacement
1. Replace the I/O board. (Refer to section 4.10.)
2. If normal operation is restored after replacing the I/O board, the
original I/O board is probably defective.
3. If normal operation is not restored, the system board is probably
defective. Go to PROCEDURE 4.
~~
DOC:MAINTENANCE MANUAL
MODEL:T5200
MODEL:T5200C
CHAP:2 PROBLEM ISOLATION PROCEDURES
SECT:2.5, FLOPPY DISK DRIVE PROBLEM ISOLATION PROCEDURES
DOC_ID:2.5 T5200
LANG:ALL