e) Measure for +12 V
DC
between chassis (ground) and pins 1 through 4 and pins 11 through 15 on J3203.
If all these pins have +12 V
DC
present, then the power supply is working correctly. Disconnect the AC power cord,
reassemble the instrument, and return the instrument to a Tektronix Service Center for repair.
Instrument self tests
The instrument runs self test diagnostics during every power on. The power on self tests ensure that the hardware and
software are functionally working. The tests provide limited diagnostic information, and provide no performance information.
If the instrument detects errors during power on, a pop-up message indicates that a failure has occurred. To display the Self
test menu and results, select Utility > Self Test. Select a test mode and run the self tests. If you continue to get errors on
one or more tests, you will need to return the instrument to your nearest Tektronix Service Center for repair.
Export log files
Log files are useful by Tektronix in troubleshooting the instrument.
If needed you can download the log files using this procedure:
1. Insert a USB drive into a front panel USB Host port.
2. Tap Utility > Self Test > Export Log Files and select the USB drive from the displayed menu.
3. Tap OK.
4. At the end of the save operation, remove the USB drive.
Download and install the latest instrument firmware
Installing the latest firmware helps ensure that your instrument has the lastest features and is taking the most accurate
measurements.
Before you begin
Save any important on-instrument files (waveforms, screen captures, setups, and so on) to a USB drive or network. The
installation process does not remove user-created files, but it is a good idea to back up important files before an update.
Determine the current version of firmware installed on the instrument (see Help > About).
Update instrument firmware from a USB drive
Procedure
1. To download the instrument firmware and install onto a USB drive:
Maintenance
6 Series B MSO MSO64B, MSO66B, MSO68B Service
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