HP 4395A - Post Repair Procedures; Introduction; Table 11-1. Post Repair Procedures

11
Post Repair Procedures
INTRODUCTION
This chapter lists the procedures required to verify the analyzer operation after an assembly is
replaced with a new one.
POST REPAIR PROCEDURES
Table 11-1 Post Repair Procedures lists the required procedures that must be performed
after the replacement of an assembly or the EEPROM. These are the recommended minimum
procedures to ensure that the analyzer is working properly following the replacement.
When you replace an assembly or the EEPROM on the A1 CPU
, perform the adjustments and
updating correction constants listed in Table 11-1 . Then perform the operational verications
and performance verications listed in Table 11-1 .
For the detailed procedure of the adjustments and updating correction constants
, see the
Adjustments chapter.For the detailed operational verication procedures, see this manual's
chapter specied in Table 11-1 . For the detailed performance verication procedures, see the
Performance Tests chapter.
Table 11-1. Post Repair Procedures
Replaced
Assembly or Part
Adjustments
Correction Constants
Verication
A1 CPU Firmware Installation.
1
INSPECT THE POWER ON SEQUENCE
2
Internal Test 2: A1 VOLATILE MEMORY
2
A1 EEPROM Local DACAdjustment INSPECT THE POWER ON SEQUENCE
2
Source Power Adjustment All Performance Test Items
Source Flatness Adjustment
IF 8 dB/16 dB Gain Adjustment
IF Gain Error CC
Temprature Adjustment
Receiver Flatness Adjustment
Receiver Attnuator Adjustment
IF BPF Flatness Adjustment
DC Bias Adjustment
1 See the Digital Control Troubleshooting chapter.
2 See the Troubleshooting chapter.
Post Repair Procedures 11-1