Agilent Technologies 856290216 service manual Contents-3

Cal Factor outside of 0 to

150%

range entered

3-16

CONDITIONS file from system file location is not compatible! WARNING

3-16

Conditions

Menu DUT ID

disagrees with responding

DUT ID

3-16

Data not accepted, check entry format

3-16

DUT doesn’t respond at address listed

3-16

File <filename> not found

3-17

Insufficient

equip. to

do

test <test number> : <test

name>

3-17

No HP-IB address listed for DUT

3-17

Non-numeric entry other

than S entered, or frequency

<=O

3-17

No sensor file found for

<sensor

model> S/N

<sensor serial #> . . . .

3-17

Power meter reads <value> dBm

3-17

Select

code

<value>

does

not currently

support HP-IB operations . . .

3-17

Sensor

serial number

must

be from 1 to

99999

3-17

System mass storage file location catalog cannot be read

3-17

This program does not support the current

DUT

3-17

Unable to load CONDITIONS file from listed system

file location . . . .

3-18

Unable to load data from

<sensor filename>

3-18

Unable

to obtain catalog

from <system

mass storage

file location> . . .

3-18

Unable to reach power level of <value> dBm

3-18

WARNING: CONDITIONS file from system file location is not compatible!

3-18

Error Messages Beginning with Numeric Characters

3-18

8481A Sensor cal data minimum frequency not <= 50

MHz

3-18

8481A Sensor cal data maximum frequency not >= 300 MHz

3-18

8485A Sensor cal data minimum

frequency

not

= 10

MHz

3-18

8485A Sensor cal data maximum

frequency

not

>=

26.5 GHz

3-18

Error Messages Beginning

with Variables

3-19

<filename>

file

not found

3-19

<keyboard

entry> is

a non-numeric entry

3-19

<number of instruments> instruments have HP-IB addresses of <HP-IB

address>

3-19

<power meter model number> doesn’t read signal to be in -1 +/-5 dBm

range

3-19

<source

model

number>

signal not in +5 +/-5 dBm

range

3-19

<source

model

number>

signal not in -1 +/-5 dBm

range

3-19

<source

model

number>

+lO dBm signal not in +lO

+/-8 dBm range .

3-19

<source model number> has a cold oven

3-19

<source

model

number>

is unlevelled

3-19

4. Assembly Replacement

Access to Internal Assemblies . . . . . . . . . . . . . . . . . . . . . .

Cable Color Code . . . . . . . . . . . . . . . . . . . . . . . . . . .

Procedure 1. Spectrum Analyzer Cover . . . . . . . . . . . . . . . .

Procedure 2. Al Front Frame/Al8 CRT . . . . . . . . . . . . . . .

Procedure 3. AlAl Keyboard/Front Panel Keys . . . . . . . . . . . .

Procedure 4. AlA RPG . . . . . . . . . . . . . . . . . . . . . .

Procedure 5. A2, A3, A4, and A5 Assemblies . . . . . . . . . . . . .

Procedure 6. A6 Power Supply Assembly . . . . . . . . . . . . . . .

Procedure 7. A6Al High Voltage Assembly . . . . . . . . . . . . . .

Procedure 8. A7 through Al3 Assemblies . . . . . . . . . . . . . . .

A7 First LO Distribution Amplifier . . . . . . . . . . . . . . . . . .

A8 Low Band Mixer . . . . . . . . . . . . . . . . . . . . . . . . .

4-2

4-3

4-4

4-5

4-13

4-14

4-15

4-21

4-25

4-28

4-30

4-31

Contents-3