Assembly Replacement
A32 10 MHz Crystal Oscillator (Option UNJ)
2-72
A32 10 MHz Crystal Oscillator (Option UNJ)
Tools Required
• T-10 driver
• needle-nose plier
Removal Procedure
Refer to Figure 2-35 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to "Outer Instrument Cover" on page 2-4 and
"Inner Instrument Cover" on page 2-6.
3. Position the signal generator with the A21 Rear Panel facing you.
4. Using the needle-nose plier, disconnect the W47 flexible cable (A31 Motherboard J1041) from A32J2.
5. Using the needle-nose plier, disconnect the W48 flexible cable (Rear Panel 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.
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