IBM 6580 User Manual

SECTION 3. ELECTRONIC MODULE
ISOLATION
Did th~ customer have a service
req:uest.'nUIIJ~er leading to this area?
YES, loop on the system .'. MDls and
see Section 13, Service Request
Numbers.
NO, .follow the procedure below:
1. Loop on BAT (RNA Test G)
•
•
Failure. Use the BAT error
code with MAPs to determine
the cause, and see Section 14,
BAT Failures.
No Failure. Continue with
this procedure.
2. Loop on BAT (RNA Test G) while
fle~ing (movi
ll
g) all Electronics
Module cables and connectors.
3.
•
•
Failure. Check each cable and
connector.
No Fa~lure. Continue with
this procedure.
Loop on Base RAM TEST (RNA Test R)
• Failure. A failure to read Or
write to main memory is indi-
cated. Reseat the system and
memory cards.
•
No Failure. Continue' .' "with
this procedure.
4. Loop on ROS CRC Test (RNA Test P)
•
•
Failure.
sensed.
card.
A CRC error is
. Reseat .the system
No Failure·.
this proced\lre.
Continue with
5. Loop on system MDls
•
•
Failure. Print the trace
table, and perform the fix as
instructed.
No Failure.
this procedure.
Continue with
6. Loop on keyboard MDls while flex-
ing (moving) the cables referenced
in Step 2.
•
•
Failure. Print the trace
table, and check the cable and
connector.
No Failure. Check all ground
wires for a good ground.
Note: If you suspect another area,
see that section. If not, see Section
9.
10-6 IBM Displaywriter Product Support Manual

IBM 6580 Specifications

General

Brand	IBM
Model	6580
Category	Desktop
Language	English