Assembly Changed

or Repaired

AlAl keyboard

AlA RPG

A2 controller

A3 interface

A4 log amp/Cal osc

A5 IF

A6 power supply

A6Al HV module

A7 switched LO distribution amplifiei

Table 2-1. Related Adjustments

Perform the following related adjustments in the order listed

!Io related adjustment vo related adjustment

16 MHz PLL adjustment Display adjustment

[f EEROM from old A2 controller could not be used in new A2 or if EEROM must be replaced, also perform the following adjustments:

LO distribution amplifier adjustment

External mixer amplitude adjustment

YIG-tuned filter/mixer adjustment

Frequency response adjustment

Display adjustment (fast zero span)

Frequency response adjustment

Display adjustment (Fast Zero Span)

Demodulator adjustment

1F amplitude adjustment DC log amplifier adjustment 1F bandpass adjustment

[F amplitude adjustment

High voltage power supply adjustment

Display adjustment

High voltage power supply adjustment

Display adjustment

LO distribution amplifier adjustment Frequency response adjustment (or perform the frequency response performance test in the

HP 8560 E-Series Spectrum Analyzer Calibration Guide.

The adjustment must be performed if the performance test fails.:

4djustment Number

17

2

8

15

16

9

2

9

2

13

4

5

3

4

1

2

1

2

8

9

2-4 Adjustment Procedures

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Image 44
Agilent Technologies 856290216 service manual Related Adjustments, A5 if