Agilent Technologies 8720E Series Service Guide

Service Guide 14-35
8719ET/20ET/22ET Assembly Replacement and Post-Repair Procedures
8719ES/20ES/22ES Post-Repair Procedures
RF Network Analyzers
Post-Repair Procedures
After the replacement of an assembly, you must perform the service procedures listed in
Table 14-1.
NOTE Perform the procedures in the order that they are listed in the table.
Table 14-1 Related Service Procedures
Replaced Assembly Adjustments / Correction
Constants (CC)
Verification
A1 Front Panel Keyboard None Internal Test 0
Internal Test 12
Internal Test 23
A2 Front Panel Processor None Internal Test 0
Internal Test 12
Internal Test 23
A4/A5/A6 Second
Converter
Raw Offset CC
Sampler Calibration CC (Test 51)
Frequency Accuracy Performance Test
Dynamic Range Performance Test
A52 Pulse Generator Raw Offset CC
Sampler Calibration CC (Test 51)
Frequency Accuracy Performance Test
Dynamic Range Performance Test
A8 Post Regulator None Internal Test 0
Check A8 test point voltages
A7 CPU
a
a. If you have an EEPROM backup disk available, you only need to perform the first three tests
listed.
A7 Switch Positions
Load Firmware
CC Retrieval
Serial Number CC (Test 49)
Option Number CC (Test 50)
Analog Bus CC (Test 44)
Source Pretune CC (Test 43)
IF Step CC (Test 47)
Raw Offset CC
Sampler Calibration CC (Test 51)
EEPROM Backup Disk
Frequency Accuracy Performance Test
Level Accuracy Performance Test
Source Linearity Performance Test
Dynamic Range Performance Test
A9 Source Control Raw Offset CC
Sampler Calibration CC (Test 51)
Frequency Accuracy Performance Test
Dynamic Range Performance Test
A10 Digital IF A7 Switch Positions
Analog Bus CC (Test 44)
IF Amplifier CC (Test 47)
Dynamic Range Performance Test
Internal Test 17
Internal Test 18
Internal Test 19

Agilent Technologies 8720E Series Specifications

General

Brand	Agilent Technologies
Model	8720E Series
Category	Measuring Instruments
Language	English