Adjustment Failure Troubleshooting; Performance Test Failure Troubleshooting - Keysight E5052B Service Manual

Adjustment failure troubleshooting

Table 4-4
assembly. Note that this table lists some typical cases. There are possibilities that another
assembly may be faulty.
Table 4-4 Adjustment failure troubleshooting information
Adj
Num.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
###: Most suspicious assembly
##: Suspicious assembly
#: Possible faulty assembly

Performance test failure troubleshooting

Table 4-5
If the performance test failure cannot be removed by a proper adjustment, replace the
assembly shown in this table.
Note that this table lists some typical cases. There are possibilities that another assembly
may be faulty.
Chapter 4
represents the relationships between the failed adjustment and probably faulty
First failed adjustment
DC Control Voltage
DC Power Voltage
DC Power Current
Reference Frequency
Pre-LO Sampler PLL BW
Receiver DC offset
PM Offset
PM Linearity
PM Temp
PM Flatness
Receiver RF Flatness
Receiver IF Gain/Flatness
Receiver RF Dir Flatness
Receiver IF Dir Gain/Flatness
LO Sampler PLL BW
Phase Noise BW
FLL BW
represents the relationships between the failed test and probable faulty assembly.
Performance test failure troubleshooting
Probable faulty board assembly
A1 A2 A3
###
###
### ##
#
#
###
###
###
###
# ##
##
# ##
##
# ##
#
#
Troubleshooting
A4/5 A6
###
###
###
# ###
# ###
# ###
# ###
# ###
### #
### #
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