6-12 . TROUBLESHOOTING
6-13 . Troubleshooting Flowcharts
This section consists of troubleshooting flowcharts, module signal level tables, module signal level
tables . The flowcharts refer to the tests and tables to help isolate trouble . Disassembly procedures
are included at the end of this section to direct in replacing faulty modules . The circled numbers
on the first chart indicate the entry point of the next flowchart for isolating a problem.
wm+roi
PERFORM SELFTESTS
(PRESS UTIL KEY,SELF-
TESTS,TEST ALL)
CHART 0
Figure 6- 4. General Trouble Isolation Flowchart for HP 54501A
HP 54501A SERVICE
END