138 Keysight Agile Signal Generator Service Guide
Assembly Replacement
CPU
Tools Required
— T-10 driver
—Flat blade screwdriver
Removal Procedure
1. Disconnect the power cord.
2. Remove the outer-cover from the signal generator. Refer to “Outer Cover”
on page 99.
3. Remove the rear panel. Refer to “Rear Panel” on page 151.
4. Refer to Figure 3-35 and Figure 3-36. Using the T-10 driver, remove the 9
screws (1) (0515-1946) that attach the CPU assembly to the chassis. Use
the flat blade screwdriver as shown in Figure 3-36 to pry out the CPU
assembly and disconnect it from the Infrastructure board. The CPU
assembly can now be removed by pulling out towards the rear of the
chassis.
To avoid internal calibration failures and potential post-repair errors, before
replacing the CPU board, the instrument’s static and dynamic arrays must be configured for the
exchange of assemblies. The process to do the appropriate configuration is performed with the
Hardware Assembly Installation and Removal front panel softkeys. Refer to the “Assembly
Removal and Installation Overview” on page 95.
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