Tektronix TLA Series, Service Manual

Page: 77 / 130

Adjustment Procedures
TLA Series Digitizing Oscilloscope Modules Service Manual
5- 13
This procedure adjusts the probe compensation output voltage of the DSO
module.
SW test names PROBE_COMP_CAL
Equipment
required Digital multimeter (item 5)
Precision BNC cable (item 12)
Dual banana-to-BNC adapter (item 6)
Prerequisites Warm-up time: 30 minutes
The logic analyzer application is not running
Test equipment connected as shown in Figure 5--5
Power-up diagnostics pass
INTERNAL_CAL test pass
Probe compensation
DSO module
CH 1
--
+
Digital multimeter
Dual
banana-to-BNC
adapter
Precision BNC
cable
Figure 5- 5: Initial setup for the probe compensation test
1.
Verify that all of the prerequisites listed previously are met for the procedure.
2.
Follow the on-screen instructions to run the test for the DSO module.
3.
Verify no failures occur for each test. If a test continues to fail, check the
Troubleshooting
section on page 5--5.
DSO Procedure 6:
Probe Compensation
Adjustment