U3022AE10
Troubleshooting the Test Set
5.
Front Panel R and S indicator LED Check.
a.
Verify the test set Controller board Controller Status LEDs, shown in
b.
If none are
ON
,
remove the Switch Driver board and recheck
. If
still no
indication, replace the Controller board.
c.
If the Controller Status LEDs are
ON
and the front panel Active LED is
ON
,
suspect the front panel LED boards or the ribbon cables. Replace as needed.
6.
Control Lines are not working.
a.
Verify that the control voltage pin connections to the DUT control lines are
connected properly. Refer to
b.
Verify that the rear panel DC voltage control adjustment can be set to 5 Vdc.
Refer to
Keysight U3022AE10 User's and Service Guide
79
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