Installation guide

Post-Repair Procedures
Post-Repair Procedures Matrix
4-4
Table 4-3 Performance Tests for Assemblies A17 through A29, B1, B2, B3, and
the RF Output Connector
Performance Tests
The following performance tests are listed in the
order that they should be performed to minimize
changes in test equipment configurations.
Self Test should be performed each time that any
assembly is repaired or replaced.
Replaced Assembly
A17 Synthesizer (Option 501, 502, 503, 504)
A18 Reference (Option 501, 502, 503, 504)
or A18 Reference (Option 501, 502, 503, 504 with Option 1E5)
or A18 Reference (Option UNJ or Option 506)
A19 Daughterboard
A20 Downconverter (Option 501, 502, 503, 504 with Option 300)
A21 YTO Driver (Option UNJ or Option 506)
A22 Coupler (Option 506)
A23 Motherboard
A23BT1 Battery
A24 Line Module
A25 Rear Panel Board
A26 Rear Panel LVDS Board (Option 1EM)
and A27 Rear Panel SMB Board (Option 1EM)
AT1 Electronic Attenuator (Option 501, 502, 503, 504 or Option UNJ)
or AT1 High-Power Mechanical Attenuator (Option UNB)
and A28 Reverse Power Protection (Option 501, 502, 503, 504 or Option UNJ)
or
AT1 High Power Mechanical Attenuator (Option 506 with Option UNB)
A29 DC Blocking Capacitor (Option 506)
B1 Power Supply Fan
B2 Small Fan
B3 Daughterboard/Card Cage Fan
RF Output Connector
Self Test X X XXXXXXXX X X XXXXX
Internal FM Accuracy and Distortion X X X X
Internal AM Accuracy and Distortion X X
Phase Modulation Accuracy and Distortion X X X X
FM Frequency Response X X X X
AM Frequency Response X X
Phase Modulation Frequency Response X X X X
DCFM Frequency Offset Relative to CW X X X X
Residual FM
(Not Used with Option UNJ or Option 506)
XX
Harmonic, Subharmonic, and Nonharmonic Spurious
Signals
X X X X
Power Level Accuracy X X X X X X X X X X X
Timebase Aging Rate
(Manual Test - Option UNJ, Option 506, or
Option 1E5 Only)
X
Digital Modulation Level Accuracy
Internal Digital Modulation Quality
(Option 402 Only)
X X
Custom I/Q RF Modulation Quality
(Option 402 Only)
X
Pulse Modulation On/Off Ratio X X
Burst Modulation On/Off Ratio X X