Rohde & Schwarz R&S SMU200A, Руководство по обслуживанию

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Troubleshooting R&S SMU200A
1007.9845.82 3.26 E-6
Faulty RF Output Signal
•
Error: Vector Signal Generator supplies no signal or faulty signal at the RF output.
Normal action Error and error cause
RF output is switched on;
Menu
RF A(B) RF ON
No RF signal or a signal with insufficient level
is output at the RF output.
Run internal adjustments (see “ Troubleshooting
with Internal Adjustments ”)
Following successful internal adjustment, check the
following modules in sequence. Change any
defective modules.
3 GHz path
Check 3 GHz attenuator
Check IQOP3 (see “ Troubleshooting - Module
IQOP3 ”)
Check SSYN (see “ Troubleshooting - Module
SSYN ”)
6 GHz path
Check 6 GHz attenuator
Check IQOP6 (see “ Troubleshooting - Module
IQOP6 ”)
Check IQOP3 (see “ Troubleshooting - Module
IQOP3 ”)
Check SSYN (see “ Troubleshooting - Module
SSYN ”)
The signal at the RF output does not have the
entered frequency.
Run internal adjustments (see “ Troubleshooting
with Internal Adjustments ”)
Following successful internal adjustment, check
SSYN A(B) (see “ Troubleshooting - Module
SSYN ”)