E8257D/67D, E8663D PSG Signal Generators Service Guide 377
Assembly Replacement
A38 Lowband Switch Filter
A38 Lowband Switch Filter
Tools Required
—none
Removal Procedure
Refer to Figure 3-71 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to “Outer Instrument
Cover” on page 258 and “Inner Instrument Cover” on page 260.
3. Position the signal generator with the front panel facing you.
4. Lift the retention levers and disconnect the board assembly from the A31
Motherboard.
5. Lift the board assembly out of the slot.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Perform the post–repair adjustments and performance tests that pertain
to this removal procedure.
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