A22 Line Module; Tools Required; Removal Procedure; Replacement Procedure - Keysight Technologies E8257D Service Manual

Assembly Replacement

A22 Line Module

A22 Line Module

Tools Required

— T–10 driver
— 5.0 mm wrench
— needle–nose pliers

Removal Procedure

Refer to
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to
3. Position the signal generator with the rear panel facing you.
4. If the signal generator has Option UNR/UNX, remove the A32 10 MHz
5. Using the T–10 driver, remove the two screws (1) that attach the A22 Line
6. Using the 5.0 mm wrench, remove the nut (2) and washer from the
7. Using the T–10 driver, remove the screw (3) that attaches the A22W2 to
8. Using the needle–nose pliers, disconnect the A22W1 from the bottom of
9. Remove the A22 Line Module

Replacement Procedure

1. Reverse the order of the removal procedure.
2. Torque all T–10 screws to 9 in–lbs.
3. Torque all nuts to 9 in–lbs.
4. Perform the post–repair adjustments and performance tests that pertain
308
Figure 3-28 for this procedure.
Cover" on page 258 and
Crystal Oscillator. Refer to
remove the assembly.
Module to the rear panel.
grounding screw connecting A22W2 to the rear panel.
the bottom of the
A19 Power Supply (E8267D only).
the A19 Power Supply.
to this removal procedure.
E8257D/67D, E8663D PSG Signal Generators Service Guide
"Inner Instrument Cover" on page
"A32 10 MHz Crystal Oscillator" on page 354
"Outer Instrument
260.
to