Tektronix TLA600 Series, Service Manual, Page: 93 / 188

TLA600 Adjustment Procedures
5- 4
TLA600 Series Logic Analyzer Service Manual
6. Set up the test equipment for the output signals described by on-screen
instructions and by the connection illustration for each test.
7. Run each adjustment step as instructed by following the on-screen prompts.
8. After completing all the adjustment steps, view the results to confirm that
the adjustment was successful.
If any adjustments fail, use the following steps to troubleshoot the problems:
H
Check all test equipment for improper or loose connections.
H
Check that all test equipment is powered on and has the proper warm-up
time.
H
Verify that the adjustment/verification fixture LED is lighted, the jumper
positions match the on-screen instructions, and the external connections are
correct.
H
Rerun the diagnostics and self calibration (SELF_CAL).
H
Run the adjustment procedures a second time to verify the failure.
Tests Performed
The adjustment procedures check and adjust the following parameters of the
logic analyzer:
H
SELF_CAL, an internal routine in the application software that adjusts
acquisition thresholds, internal module and signal timing.
H
Deskew, an adjustment routine in the performance verification and adjust-
ment software which time-aligns all channels.
NOTE
. Do not mix probe types (P6417, P6418 and P6434) when performing the
deskew procedure.
Troubleshooting