A35 3-20 Ghz I/Q Modulator (E8267D Only - Standard Or With Option H16/016) (Serial Prefixes ≥ Us4722/My4722); Tools Required; Removal Procedure; Replacement Procedure - Keysight Technologies E8257D Service Manual

Assembly Replacement
A35 3–20 GHz I/Q Modulator (E8267D Only - Standard or with Option H16/016) (Serial
Prefixes ≥ US4722/MY4722)
A35 3–20 GHz I/Q Modulator (E8267D Only - Standard or with
Option H16/016) (Serial Prefixes ≥ US4722/MY4722)

Tools Required

— T–10 driver
— 5/16" open–ended wrench
— needle–nose pliers

Removal Procedure

Refer to
1. Disconnect the power cord.
2. Remove the covers from the signal generator. Refer to
3. Position the signal generator with the A31 Motherboard facing you and the
4. Using the 5/16" open–ended wrench, disconnect the following RF cables:
5. Using the needle–nose pliers, disconnect the following flexible cables:
6. Using the T–10 driver, remove the three screws (1) that attach the A35 I/Q
7. Disconnect the W70 ribbon cable from the A35 I/Q MOD.
8. Remove the A35 I/Q MOD from the RF deck.

Replacement Procedure

— Reverse the order of the removal procedure. (See the internal cover overlay
— Torque all T–10 screws to 9 in–lbs.
E8257D/67D, E8663D PSG Signal Generators Service Guide
Figure 3-62 for this procedure.
Cover" on page 258 and
RF deck on top.
— W77 from A35J1
— W134 from A35 I/Q Mod
— W62 from A35J7
— W63 from A35J6
— W127 from A35J109
— W128 from A35J107
— W129 from A35J108
— W130 from A35J106
MOD to the RF deck.
for cable color codes.)
"Inner Instrument Cover" on page
"Outer Instrument
260.
371