4-30 Keysight N5227B Service Guide
Troubleshooting
Measurement System Troubleshooting
4-
EEPROM Headers
The network analyzer application uses the firmware revision information stored
in the pc board header EEPROM. If the information stored in any EEPROM is
incorrect, the network analyzer may not operate properly.
The following link lists the pc boards in your network analyzer that contain
EEPROM headers. The pc boards are listed by name and part number and the
correct firmware revision code is given for each. Refer to:
http://na.support.keysight.com/pna/EEPROM_Information.html
.
To view this EEPROM header information on the network analyzer display:
press UTILITY
, then
, then
, then
. Refer to
If the information is incorrect for any of the PC boards, contact Keysight
Technologies. Refer to
“Contacting Keysight” on page 2-6
Figure 4-7
EEPROM Header Info Dialog Window
Error Messages
SOURCE UNLEVELED:
The source ALC circuit on the A23 test set motherboard
is running open-loop. Check the cable connections for the A25 HMA26.5 and
the A23 test set motherboard.
Verifying the A, B, C, D, and R Traces (Standard S-Parameter Mode)
The first step is to verify that the A, B,C, D, and R traces are present and that
they are approximately level:
System
Service
Utilities
View EEPROM Headers
Содержание N5227B
Страница 26: ...2 8 Keysight N5227B Service Guide General Product Information Keysight Support Services and Assistance 2...
Страница 176: ...5 40 Keysight N5227B Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 17 4 Port Receiver Group...
Страница 177: ...Keysight N5227B Service Guide 5 41 Theory of Operation Receiver Group Operation Figure 5 18 2 Port Receiver Group...
Страница 184: ...5 48 Keysight N5227B Service Guide Theory of Operation Power Supply Group Operation 5...
Страница 189: ...Keysight N5227B Service Guide 6 5 Replaceable Parts Rebuilt Exchange Assemblies Figure 6 1 Module Exchange Procedure...
Страница 203: ...Keysight N5227B Service Guide 6 19 Replaceable Parts Replaceable Parts Listings Figure 6 6 Top Assemblies All Options...
Страница 217: ...Keysight N5227B Service Guide 6 33 Replaceable Parts Replaceable Parts Listings Figure 6 12 Bottom RF Cables Option 201...
Страница 221: ...Keysight N5227B Service Guide 6 37 Replaceable Parts Replaceable Parts Listings Figure 6 14 Bottom Assemblies Option 205...
Страница 237: ...Keysight N5227B Service Guide 6 53 Replaceable Parts Replaceable Parts Listings Figure 6 21 Bottom RF Cables Option 219...
Страница 241: ...Keysight N5227B Service Guide 6 57 Replaceable Parts Replaceable Parts Listings Figure 6 23 Bottom Assemblies Option 220...
Страница 255: ...Keysight N5227B Service Guide 6 71 Replaceable Parts Replaceable Parts Listings Figure 6 29 Bottom Assemblies Option 401...
Страница 263: ...Keysight N5227B Service Guide 6 79 Replaceable Parts Replaceable Parts Listings Figure 6 32 Bottom Assemblies Option 405...
Страница 267: ...Keysight N5227B Service Guide 6 83 Replaceable Parts Replaceable Parts Listings Figure 6 33 Bottom RF Cables Option 405...
Страница 271: ...Keysight N5227B Service Guide 6 87 Replaceable Parts Replaceable Parts Listings Figure 6 35 Bottom Assemblies Option 410...
Страница 279: ...Keysight N5227B Service Guide 6 95 Replaceable Parts Replaceable Parts Listings Figure 6 38 Bottom Assemblies Option 419...
Страница 318: ...6 134 Keysight N5227B Service Guide Replaceable Parts Replaceable Parts Listings 6...