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3.
Confirm that the jumper straps status is normal. (Refer to part
1.2.1.)
4.
If the jumper strap status is normal, go to PROCEDURE 4.
5.
If the jumper strap status is not normal, set them correctly.
FIGURE 2-5 Jumper Straps
Page 2-14
PROCEDURE 4
Test Program Execution
1.
Execute the following test program. (See PART 3 TEST AND
DIAGNOSTICS.)
1. System test
2. Memory test
3. Keyboard test
4. Display test
5. Floppy disk test
6. Real time test
2.
If an error is generated on the system test, memory test, display
test and real time test, go to system PCB isolation procedures in
part 2.4.
3.
If an error is generated on the floppy disk test, go to FDD
isolation procedures in part 2.5.
4.
If an error is generated on the keyboard test, go to keyboard
isolation procedures in part 2.7.
Page 2-15
PROCEDURE 5
System PCB Replacement
1.
Replace the system PCB. (Refer to part 4.13)
2.
If normal operation is restored after replacing the PCB, the
previous PCB was defective.
3.
If normal operation is not restored, another FRU is probably
defective. The defective unit must be isolated and replaced.
MODEL:T1200H/HB
Page 2-16
2.5 FLOPPY DISK DRIVE ISOLATION PROCEDURES
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