A3 Power Switch; Tools Required; Removal Procedure; Replacement Procedure - Keysight Technologies E8257D Service Manual

Assembly Replacement

A3 Power Switch

A3 Power Switch

Tools Required

— T–10 driver

Removal Procedure

Refer to
< US/MY5XXX3XXX.
Refer to
≥ US/MY5XXX3XXX.
1. Disconnect the power cord.
2. Remove the front panel. Refer to
3. Disconnect the W8 ribbon cable from the A3 Power Switch by lifting the
4. Using the T–10 driver, remove the four screws (12) from the A3 Power
5. Remove the A3 Power Switch.

Replacement Procedure

1. Reverse the order of the removal procedure.
2. Torque all T–10 screws to 9 in–lbs.
3. Perform the post–repair adjustments and performance tests that pertain
274
Figure 3-10 for instruments with serial number prefix
Figure 3-11 for instruments with serial number prefix
white tabs on the connector.
Switch.
to this removal procedure.
E8257D/67D, E8663D PSG Signal Generators Service Guide
"Front Panel" on page 262.