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3488A-19
STEP 4: Controller Board Replacing
To replace the old Controller Board with the provided new one (03488-66541), you need to:
•
Remove the posi-drive screw located on the rear panel below the silver ground terminal.
•
Gently pull the Controller Board up and toward the rear of the unit to disconnect the Controller
Board from the backplane board. The GPIB connector and rear panel will be removed with the
Controller Board assembly. Lift the Controller assembly up and out.
•
To install the provided new Controller Board, reverse the procedure.
Figure 3. Replace the Controller Board
STEP 5: Verifying and Testing the Agilent 3488A Mainframe
After replacing the Controller Board, you need to verify and test the 3488A mainframe according to the
following procedure:
•
Make certain that the provided new Controller Board, the shield, the front panel, the top cover,
etc. have been installed into the Agilent 3488A properly.
•
Connect the power cable and power up the Agilent 3488A, press the TEST key just below the
display window. The display “ 3488A 1998” identifies that this Agilent 3488A mainframe has
been upgraded successfully (the existing 3488A just displays “3488A”).
See Figure 4. for Agilent 3488A Identifications.
