292 E8257D/67D, E8663D PSG Signal Generators Service Guide
Assembly Replacement
A13 I/Q MUX (E8267D Standard or with Option H16/016) (Serial Prefixes ≥
US4722/MY4722)
— W130 from A13J22
6. Lift the retention levers and disconnect the A13 I/Q MUX from the A31
Motherboard.
7. Lift the A13 I/Q MUX out of the slot.
Replacement Procedure
1. Reverse the order of the removal procedure. (See the internal cover
overlay for cable color codes.)
2. Perform the post–repair adjustments and performance tests that pertain
to this removal procedure.
Figure 3-20 A13 I/Q MUX (E8267D Standard or with Option 016)
(Serial Prefixes ≥ US4722/MY4722)
W58/A13J12
W59/A13J11
W63/A13J5
W62/A13J6
W131/A13J9
W49/A13
W57/A13J13
W132/A13J10
W50/A13J8
W130/A13J22
W56/A13J14
W129/A13J21
W126/A13J20
W125/A13J19
W128/A13J18
W127/A13J17
W124/A13J16
W123/A13J15
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