2-54
Assembly Replacement
A22 Line Module
A22 Line Module
Tools Required
• T-10 driver
• 5.0 mm wrench
• needle-nose pliers
Removal Procedure
Refer to Figure 2-24 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to "Outer Instrument Cover" on page 2-5
and "Inner Instrument Cover" on page 2-7.
3. Position the signal generator with the rear panel facing you.
4. If the signal generator has Option UNR, refer to "A32 10 MHz Crystal Oscillator (Option UNR)"
on page 2-90 to remove the assembly.
5. Using the T-10 driver, remove the two screws (1) that attach the A22 Line Module to the rear
panel.
6. Using the 5.0 mm wrench, remove the nut (2) and washer from the grounding screw connecting
A22W2 to the rear panel.
7. Using the T-10 driver, remove the screw (3) that attaches the A22W2 to the bottom of the
A19 Power Supply (E8267C only).
8. Using the needle-nose pliers, disconnect the A22W1 from the bottom of the A19 Power Supply.
9. Remove the A22 Line Module
Replacement Procedure
• Reverse the order of the removal procedure.
• Torque all T-10 screws to 9 in-lbs.
• Torque all nuts to 9 in-lbs.
• Perform the post-repair adjustments and performance tests that pertain to this removal
procedure.
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