A1 Front-Frame Assembly - Agilent Technologies 8590 Series Service Manual

Replacing Major Assemblies

A1 Front-Frame Assembly

A1 Front-Frame Assembly
This procedure applies to:
Use ESD precautions when performing this replacement procedure.
CAUTION
Removal
1. Remove the instrument cover assembly. Refer to the
2. Place the analyzer with the bottom side facing up on the work
3. If the instrument came equipped with the A17 Memory Card Reader,
4. On 8592L, 8593E, and 8596E spectrum analyzers, remove the cable
5. On 8592L, 8593E, and 8596E spectrum analyzers, disconnect the
6. Remove the two screws (1) that secure the front frame to the main
7. If the instrument came equipped with a tracking generator,
8. Disconnect the W10 semi-rigid cable (4) from the INPUT connector.
9. Disconnect W3 (6) from A1R1, the front-panel INTEN control. It
10.If the instrument came equipped with an A102 AM/FM Speaker and
298
8590 E-Series and L-Series spectrum analyzers
8591C cable TV analyzers
8594Q QAM analyzers
Cover." removal procedure.
surface.
remove it. Refer to the
removal procedure.
tie (2) that secures the A3A11 and A3A12 assemblies to the W10
semi-rigid cable. See
W37 semi-rigid cable (3) from the 100 MHz COMB OUT connector
on the front-frame assembly.
chassis.
disconnect the tracking generator output semi-rigid cable (5) from
the RF OUT connector on the front-frame assembly.
may be necessary to remove the speaker bracket from LS1 as well as
A22 10 MHz reference in order to get to W3.
TV Synch Trigger (Option 102) or A103 Quasi Peak Detector (Option
103), disconnect W102 from the VOL control wiring connector (8) at
A1R1.
"A17 Memory Card Reader Assembly."
Figure 7-1.
"Instrument
Chapter 7