Chapter 4 93
Troubleshooting
Performance test failure troubleshooting
4. Troubleshooting
###: Most suspicious assembly
##: Suspicious assembly
#: Possible faulty assembly
NOTE The meaning of abbreviations are shown in Table 4-10.
Uncorrected System
Performance (T32,T23)
## ## # #
Uncorrected System
Performance (T42,T24)
## ## # #
Uncorrected System
Performance (T43,T34)
## ## # #
Table 4-9 Performance test failure troubleshooting information (Over 8.5 GHz Options)
First failed test Probable faulty board assembly or parts
OCXO
BAS
SYN -SRC
SYN -LCL
DBL
RCV -1
RCV -2
RCV -3
RCV -4
DIS
DCB
IMX
FEM
FUSE
CBL
Table 4-10 The meaning of abbreviations
Abbreviation Meaning (Description)
OCXO OCXO Board
BAS Analog Base Module
SYN -SRC TESTED Synthesizer Module for Source
SYN -LCL TESTED Synthesizer Module for Local
BDL Doubler Module
VNR TESTED Level Vervier Module
RCV -1 TESTED Receiver Module Port 1
RCV -2 TESTED Receiver Module Port 2
RCV -3 TESTED Receiver Module Port 3
RCV -4 TESTED Receiver Module Port 4
DIS Distributer Module
DCB DC Bias Board
IMX Imix
FEM Front End Module
FUSE Fuse of DC Bias Input