Service manual

Self Tests The extended self tests are used for isolating problems in the logic analyzer. The
tests are loaded from the operating disk.
Caution The process of running the self test DESTROYS the current configuration and
data. Please use a master disk (or copy) in the disk drive to run the tests.
The self tests are invoked from any menu by pressing the front-panel I/O key The
pop-up I/O menu appears on screen with the following choices:
Done
Print Screen
Print All
Disk Operations
RS-232-C Configuration
BNC
Self Tests
1. Use the front-panel knob to move the cursor to Self Tests and SELECT.
2. Insert operating disk (or copy) into disk drive.
3. Move cursor to Start Self Test with front-panel knob and SELECT. A
message appears on-screen indicating the logic analyzer is loading the test
system file and then the menu is displayed.
4. To leave the self test menu, move cursor to Done and SELECT.
Note Operating disk (or copy) must be in disk drive for reloading after self tests.
Data Acquisition
Self Test
The data aquisition self test verifies the functionality of key elements of the internal
acquisition system.
1. In HP 1650B/51B Self Tests menu, move cursor to Data Acquisition and
SELECT.
2. Move cursor to Single test or Repetitive test and SELECT.
3. If running repetitive test press and hold STOP to end test. The number of
runs and failures are displayed in the menu.
4. To return to HP 1650B/51B Self Tests menu, move cursor to Done and
SELECT.
Service HP 1650B/1651B
6-22 Service Manual