Service manual

HP 16515A/16516A MAIN TROUBLESHOOTING FLO'l:'::: ;,~.RT
FROM TROUBLESHOOTING
SHEET 3
RUN
PATTERN TRIGGER
SELF TEST
RUN
MEMORY
SELF TEST
TO TROUBLESHOOTING
SHEET 5
NOTE 3:
Troubleshooting Sheet 4
GO TO "TESTING PATTERN LINES"
ON TROUBLESHOOTING SHEET 6
REPLACE
16516A EXPANSION
SEE NOTE 3.
TO CHECK CONNECTI: :~S
GO TO "TESTING CLOCKS" GO TO TROUBLESHOOT:~G
TROUBLESHOOTING SHEET 14 SHEET 2
REPLACE
16516A EXPANSION
SEE NOTE 3.
TO CHECK CONNECT!0~~S
DOUBLE CHECK THESE CONNECTIONS
1. INTERCARD CABLE
2. PROBE ASSEMBLIES
3. CARDS SEATED PROPERLY IN BACKPLANE
NOTE 4: ALL MEMORY IC LOCATIONS
a THROUGH d MUST PASS OR FAIL.
GO TO TROUBLESHOOTING
SHEET 2
Figure 6-1J. Troubleshooting Flowchart
NO
6-13
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