User's Manual
Table Of Contents
- Title page
- Contents
- 1 General Information
- 2 Preparing the Oscilloscope for Use
- 3 Testing Performance
- List of Test Equipment
- To construct the test connector
- To test the 54621D/22D Oscilloscope digital channels
- To verify digital channel threshold accuracy
- To verify voltage measurement accuracy
- To verify bandwidth
- To verify horizontal Dt and 1/Dt accuracy
- To verify trigger sensitivity
- Agilent 54622A/22D/24A Performance Test Record
- Agilent 54621A/21D Performance Test Record
- 4 Calibrating and Adjusting
- 5 Troubleshooting
- 6 Replacing Assemblies
- 7 Replaceable Parts
- Declaration of Conformity
- Notices
6-8
Replacing Assemblies
To remove the display
To remove the display
1 Remove the front panel from the oscilloscope.
2 Disconnect the ribbon cable from the display board.
3 Using the T20 TORX driver, remove the four screws that hold the display
to the deck. Set these screws aside.
Figure 6-5
Removing the display
CAUTION USE CORRECT SCREWS TO AVOID SHORTING SYSTEM BOARD !
When you re-install the display, you must re-insert the screws you removed in
this step. If you re-insert screws that are longer, they can short the system
board to ground.
service.book Page 8 Wednesday, December 18, 2002 8:35 AM