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Chapter 4
Troubleshooting
Function Specific Troubleshooting
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 CPU Mother Board Assembly is
suspected.
To Check the Video Output
Procedure
Step 1.
Connect an external XGA color monitor to the Video output port on the E5071C 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 PCA PCI DSP Card.
To Check the External Trigger Input
Procedure
Step 1.
Press
and
to initialize the E5071C.
Step 2.
Press
key.
Step 3.
Click
Trigger Source
and, then,
External
in the menu bar to set the trigger mode to
"External".
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 PCA PCI DSP Card is suspected.
To Check the GPIB
Procedure
Perform the E5071C performance test program. If the controller cannot detect the E5071C,
the problem seems in the GPIB card or the connection of the GPIB cable.
To Check the USB Interface Card
Procedure
Connect the USB cable between the controller PC and the E5071C. Turn the controller PC
on. If the E5071C cannot detect the controller PC, the problem seems in the USB Interface
Card or the CPU Mother Board Assembly is suspected.
Summary of Contents for E5071C
Page 14: ...14 Contents ...
Page 168: ...168 Chapter2 Performance Test E5071C Performance Test Record ...
Page 212: ...212 Chapter4 Troubleshooting To configure the CPU Mother Board Assembly and BIOS ...
Page 262: ...262 Chapter5 Replaceable Parts Power Cables and Plug Configurations ...
Page 326: ...326 Chapter6 Replacement Procedure Probe Power and Power Switch Board Replacement ...
Page 332: ...332 Chapter7 Post Repair Procedures Post Repair Procedures ...
Page 360: ...360 AppendixB System Recovery Calibration of the Touch Screen ...
Page 364: ...364 AppendixC Firmware Update Firmware Update ...
Page 365: ...365 D Power Requirement D Power Requirement ...