1-8
Troubleshooting
Self–Test Failures and Related Troubleshooting
A9 YIG Driver “Self–Tests 6xx: A9 YIG Driver Self–Test Errors” on page 1-38
600 Post Regulator
601 DACs
602 PLL Interface
603 FM Driver
604 Sweep DACs
605 Sweep Lock
A6 Frac
–N
“Self–Tests 7xx: A6 Frac–N Self–Test Errors” on page 1-41
700 Ref Voltage
701 Loop Gain
702 Tuning Voltage
703 Output Voltage
704 Filter Test
705 F/2 Test
706 FM Path Test
707 Sweep Phase Detector Test
A10 ALC “Self–Tests 9xx: A10 ALC Self–Test Errors” on page 1-45
900 Power Supply
901 Detector Test
902 Detector Level to ALC Ref
903 Level Test
A7 Reference (Option UNR) “Self–Tests 10xx: A7 Reference (Option UNR) Self–Test Errors” on page 1-47
1000 Power Supply
1001 10 MHz Test
1002 1 GHz Test
A18 CPU “Self–Tests 11xx: A18 CPU Self–Test Errors” on page 1-49
1100 Power Supply
A26 Micro Interface Deck “Self–Tests 12xx: A26 MID Self–Test Errors” on page 1-51
1200 Power Supply
1201 Mod Filter
1202 20 GHz Doubler
1203 40 GHz Doubler (Option 540 only)
1204 RF Path
1205 LB Pulse Mod
1206 20 GHz IQ Modulator
Table 1-4 Self-test Failures and Related Troubleshooting (Continued)
If this self–test fails... Go to this troubleshooting section...
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