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Chapter 4
Troubleshooting
Performance test failure troubleshooting
Adjustment failure troubleshooting
Table 4-14 represents the relationships between the failed adjustment and probably faulty
assembly. Note that this table lists some typical cases. There are possibilities that another
assembly may be faulty.
###: Most suspicious assembly
##: Suspicious assembly
#: Possible faulty assembly
Table 4-14
Adjustment failure troubleshooting information
Adj
Num.
First failed adjustment
Probable faulty board assembly
A1
A2
A3
PPMC
1
Null DC offset adjustment
###
2
Null ADC offset adjustment
###
3
ADC Linearity adjustment
###
##
4
DC Bias adjustment
##
###
5
DC Level V Monitor adjustment
###
6
DC Level I Monitor adjustment
###
7
DC Source adjustment
#
###
8
DCR adjustment
###
#
9
Impedance adjustment
###
#
10
AC level Monitor adjustment
###
#
11
OSC Level adjustment
#
###
Summary of Contents for E4980A
Page 12: ...12 Contents ...
Page 60: ...60 Chapter4 Troubleshooting Performance test failure troubleshooting ...
Page 86: ...86 Chapter5 Replaceable Parts Replaceable Parts List ...
Page 126: ...126 Chapter6 Replacement Procedure Display Interface Replacement ...
Page 136: ...136 AppendixB Firmware Update Update the E4980A firmware using USB cable ...
Page 140: ...140 AppendixC Power Requirement Power Requirements Figure C 3 Power Cable Supplied ...
Page 152: ...152 AppendixD Error Messages Error number 45 ...