E8257D/67D, E8663D PSG Signal Generators Service Guide
Assembly Replacement
A10 ALC
3-26
A10 ALC
Tools Required
• needle–nose pliers
Removal Procedure
Refer to Figure 3- 15 for this procedure.
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to “Outer Instrument Cover” on page 3- 4 and “Inner
Instrument Cover” on page 3- 6.
3. Position the signal generator with the front panel facing you.
4. Using the needle–nose pliers, disconnect the following flexible cables:
• W15 from A10J3
• W14 from A10J5
• W4 from A10J4
• W55 from A10J304
• W13 from A10J201
• W95 from A10J202
• W111 from A10J203
• Option 532/544 – W110 from A10J202 or
Option 550/567 – W95 from A10J202
• Option 550/567 – W111 from A10J203
• W122 from A10J303 (E8267D only with serial prefixes >
US4722/MY4722)
5. Lift the retention levers and disconnect the A10 ALC from the A31 Motherboard.
6. Lift the A10 ALC 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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