Maintenance
Troubleshooting the
Display
To troubleshoo
t a nonfunctional display, follow these steps:
1. Remove the rear case. (See page 6-10, Rear Case.)
2. Remove the internal a ssembly from t he front case. (See pag e 6-13, Internal
Assembly.)
3. Remove the Display module. (See page 6-19, Display Module.)
4. Reseat the display cable to the Display module, making sure that the cable is
fully seated in the connector.
5. Reconnect the Display module to the internal assembly.
6. Reattach the front panel.
7. Reconnect the backlight and display cables to the Main board.
8. Power on
the oscilloscope. If the display still does not w ork, contact your
local Tektronix Customer Service Center for assistance.
TBS1000 Series Oscilloscope Service Manual 6–29
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