Anritsu 373XXA manual SOURCE/TEST SET/RECEIVER Troubleshooting, Codes

SOURCE/TEST SET/RECEIVER TROUBLESHOOTING

The letter “D” in the error code above indicates that the failure is pos- sibly in the Source Module. (Refer to Table 5-3.)

Signal Source/Test Failures occurring in the Signal Source Module and Test Set Module will Set Module Error also produce the error codes listed in Table 5-5.

Table 5-5.Signal Source/Test Set Module Error Codes

	Error Codes	Possible Failed Assemblies
5110 RF PWR UNLEVELED		All components in Source Module
		and Test Set Module
5210	REF A CHAN RF OVERLOAD	Transfer Switch
5220	REF B CHAN RF OVERLOAD	Transfer Switch
5230	TA CHAN RF OVERLOAD	Transfer Switch or A21A2 PCB
5240	TB CHAN RF OVERLOAD	Transfer Switch or A21A2 PCB

Codes

NOTE

The 373XXA has extensive built-in troubleshooting tools that are useful for troubleshooting the failures listed in Table 5-5. These and other troubleshooting tools are ac- cessed from the Option Menu key, which is part of the en- hancement keygroup. (From the select OPTIONS menu select DIAGNOSTICS, then select TROUBLE- SHOOTING). Refer to Appendix A.

Troubleshooting tools that are available from the TROUBLE-

SHOOTING menu that are useful for locating faults occurring in the

Source Module, Test Set Module and Receiver Module are:

NOTE

The troubleshooting tools listed below are used to test the 373XXA to factory set limits when the ANRITSU 37300A Test Software (2300-178) is run.

When run from the TROUBLESHOOTING menu, not all tests will display limit lines (as is the case when the 37300A Test Software 2300-178 is used).

NON-RATIO PARAMETERS

This function displays the output of each of the individual test set channels. It is especially useful for verifying the performance of the Buffer Amplifier and Power Amplifier.

NOTE

A through-line cable connecting Port 1 and Port 2 is re- quired for this check.

5-18 373XXA MM