Specifications

2-90

Assembly Replacement

A32 10 MHz Crystal Oscillator (Option UNR)

Tools Required

• T-10 driver

• needle-nose pliers

Removal Procedure

Refer to Figure 2-43 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. Using the needle-nose pliers, disconnect the W47 flexible cable (A31 Motherboard J1041) from

A32J2.

5. Using the needle-nose pliers, disconnect the W48 flexible cable (10 MHz EFC) from A32J1.

6. Disconnect the A32W1 bias cable from the A21 Rear Panel Interface P2.

7. Using the T-10 driver, remove the three screws (1) that attach the A32 10 MHz Crystal Oscillator

to the rear panel.

8. Remove the A32 10 MHz Crystal Oscillator.

Replacement Procedure

• Reverse the order of the removal procedure.

• Torque all T-10 screws to 9 in-lbs.

• Perform the post-repair adjustments and performance tests that pertain to this removal

procedure.