To Check The External Keyboard; To Check The Mouse; To Check The Video Output; To Check The External Trigger Input - Keysight E5052B Service Manual

Troubleshooting
Function Specific Troubleshooting

To Check the External Keyboard

Procedure
Step 1. Connect the external keyboard to the E5052B rear panel connector.
Step 2. Turn the instrument on.
Step 3. Press
Step 4. Press and
bar moves up and down. If it doesn't work, the external keyboard or the A20 digital
motherboard may be faulty.

To Check the Mouse

Procedure
Step 1. Connect the mouse to the E5052B rear panel connector.
Step 2. Turn the instrument on.
Step 3. Move the mouse and verify that the mouse pointer moves smoothly. If it doesn't move
smoothly, check first whether a foreign substance (dust, lint, etc.) is in the track ball hole of
the mouse or not.
Step 4. Verify that the mouse buttons work normally. If any button doesn't work or the mouse
pointer doesn't move, a failure in the mouse or the A20 digital motherboard is suspected.

To Check the Video output

Procedure
Step 1. Connect an external XGA color monitor to the Video output port on the E5052B rear panel.
Step 2. Turn the external monitor on.
Step 3. Verify that the monitor screen view is the same as the display on the LCD. If the monitor
screen view is abnormal, a failure seems in the A21 PCI DSP Board.

To Check the External Trigger Input

Procedure
Step 1. Press - Factory
Step 2. Press key.
Step 3. Click and then,
Source
Step 4. Connect a BNC Short or 50 Ω termination to the Ext Trig connector on the rear panel and
disconnect it. Thereby a measurement trigger should be generated and a measurement
result (trace) should be refreshed.
Step 5. If no trigger occurs, a failure in the A21 PCI DSP card is suspected.
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key.
keys on the external keyboard, and verify that the cursor on the menu
to initialize the E5052B.
in the menu bar to set the trigger mode to "External".
External
Chapter 4