To Check The External Keyboard; To Check The Mouse; To Check The External Monitor Output Port - Keysight E4982A Troubleshooting Manual

1
Troubleshooting

To Check the External Keyboard

To Check the Mouse

To Check the External Monitor Output Port

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• If the monitor screen view is the same as the LCD
display, the problem seems to be in the A60 CPU
module.
• If only the LCD display has a problem, check the flat
cable between the A52 Front Panel I/F board and A60
CPU Module.
• If the cables are normal, check the A51 LCD module.
Procedure
Step 1.
Connect an external keyboard to the E4982A rear
panel USB port.
Step 2.
Press
Step 3.
Press
keyboard, and verify that the cursor on the menu bar moves
up and down. If it doesn't work, the external keyboard or
the A60 CPU Module may be faulty.
Procedure
Step 1.
Connect a mouse to the E4982A rear panel USB
port.
Step 2.
Verify that the mouse buttons work normally. If any
button does not work or the mouse pointer does not move, a
failure in the mouse or the A60 CPU Module is suspected.
Procedure
Step 1.
Connect an external VGA color monitor to the
External Monitor Output Port on the E4982A 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 to be in the A60 CPU module.
key.
and keys on the external
LCR Meter