User's Manual Part 1

T ECHNICAL D OCUMENTATION P ROTECTING P EOPLE AND A SSETS
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D ATE : 22 M ARCH 2017 | V ERSION : 1.4
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R ANGER -X5 R ADAR S YSTEM
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1.2. IQ2 Digital Signal Processor (Unit 1 A2)
1.2.1. IQ2 Host Computer (Unit 1 A2 A1)
Troubleshooting:
SD-135956-100 Sheet 2 of 3
Maintenance:
If the IQ2 Digital Signal Processor is inoperative OR the EDGE software will not load, replace the
entire unit.
1. Disconnect all cables from the rear of the IQ2-DSP.
2. Loosen the screws retaining the IQ2-DSP in the 19-inch rack.
3. Pull the IQ2-DSP out of the 19-inch rack.
4. Reinstall the IQ2-DSP in reverse order of steps 1-3.
5. Return the IQ2-DSP to the manufacturer for troubleshooting and/or repair.
Verification:
This check is to verify the IQ2- Digital Signal Processor (DSP) (displayed as DST on EDGE) and
the IQ2- Intermediate Frequency Digitizer (IFD) (displayed as UST on EDGE) are working within
specified voltage and temperature limits.
1. From EDGE Control screen, open the Signal Processor Status screen.
2. On the Summary tab, verify the IQ2 and UST Uptime status. See Figure 3.
Figure 3. Signal Processor Status Summary Tab
3. On the DST Voltages tab, verify all voltages are within specified limits and the
corresponding indicator is green. See Figure 4.
EEC-GT1345