E8257D/67D, E8663D PSG Signal Generators Service Guide 291
Assembly Replacement
A13 I/Q MUX (E8267D Standard or with Option H16/016) (Serial Prefixes ≥
US4722/MY4722)
A13 I/Q MUX (E8267D Standard or with Option H16/016)
(Serial Prefixes ≥ US4722/MY4722)
Tools Required
— T–10 driver
— needle–nose pliers
Removal Procedure
Refer to Figure 3-20 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. Using the T–10 driver, remove the four screws from the Baseband
Generator cover.
5. Using the needle–nose pliers, disconnect the following flexible cables:
— W63 from A13J5
— W62from A13J6
— W49 from A13J7
— W50 from A13J8
— W131 from A13J9
— W133 from A13J10
— W59 from A13J11
— W58 from A13J12
— W57 from A13J13
— W56 from A13J14
— W123 from A13J15
— W124 from A13J16
— W127 from A13J17
— W128 from A13J18
— W125 from A13J19
— W126 from A13J20
— W129 from A13J21