Keysight E8257D/67D - A5 Sampler, A6 Frac-N, A7 Reference (Standard and Option UNR;UNX;UNY), A8 Output A45 Frac- N and A46 Offset

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E8257D/67D, E8663D PSG Signal Generators Service Guide

Assembly Replacement

A5 Sampler, A6 Frac–N, A7 Reference (Standard and Option UNR/UNX/UNY), A8 Output, A45 Frac-N and A46 Offset

3-23

A5 Sampler, A6 Frac–N, A7 Reference (Standard and Option UNR/UNX/UNY), A8 Output,

A45 Frac-N and A46 Offset

Tools Required

• none

Removal Procedure

Refer to Figure 3- 13 for this procedure.

1. Disconnect the power cord.

2. Remove the covers from the signal generator. Refer to “Outer Instrument Cover” on page 3- 4 and “Inner

Instrument Cover” on page 3- 6.

3. Position the signal generator with the front panel facing you.

4. Lift the retention levers and disconnect the board assembly from the A31 Motherboard.

5. Lift the board assembly out of the slot.

Replacement Procedure

1. Reverse the order of the removal procedure.

2. Perform the post–repair adjustments and performance tests that pertain to this removal procedure.

Figure 3-13 A5 Sampler, A6 Frac–N, A7 Reference, A8 Output, A45 Frac-N and A46 Offset

A6/A45

A5/A46