Installation guide

Post-Repair Procedures
Post-Repair Procedures Matrix
4-9
Table 4-8 Adjustments for Assemblies A17 through A29, B1, B2, B3, and
the RF Output Connector
Adjustments
The following adjustments are listed in the order
that they should be performed for proper
calibration.
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) A29 DC Blocking Capacitor (Option 506) B1 Power Supply Fan B2 Small Fan B3 Daughterboard/Card Cage Fan RF Output Connector
Prelevel Calibration X
Digital Gain Adjust Calibration
Bypass Gain Adjust Calibration X
ALC Calibration X
Power Level Accuracy, High Power Calibration X X X X X X
ALC Modulation Driver Bias Calibration X
Power Level Accuracy, Low Power Calibration X
Power Search Calibration X
AM Gain Calibration X
I/Q Gain/Offset/Quadrature Calibration
I/Q Impairment Calibration