Troubleshooting R&S SMU200A
1007.9845.82 3.14 E-6
Troubleshooting
The purpose of these troubleshooting instructions is to help to trace down malfunctions to board level.
The instrument so can be made ready for use again by means of board replacement.
If error tracing doesn’t show clear results, we recommend that you ship the instrument to our experts in
the service centers (see address list) for module replacement and further error elimination. Some
module replacements involve calibration procedures, requiring calibrated equipment and appropriate
software.
Warning!
Make sure that the instrument is disconnected from the AC supply before
inserting or removing boards!
Be careful not to cause short-
circuits when measuring voltages at pins placed
close together (particularly on the motherboard)!
The following utilities are provided in the Vector Signal Generator for easy
diagnosis:
• Internal diagnosis test points
• Internal adjustments
• Info line with error messages and history of messages
• Internal keyboard test
• HW debug page
Note: When problems occur, first check whether any connections (cables, plug-in connections of
boards etc.) are damaged or wrongly connected.
Measuring Equipment and Accessories
Item Type of equipment Specifications recommended Equipment
recommended
R&S
Order No.
1 DC meter R&S URE 0350.5315.02
2 Spectrum analyzer Frequency range 0 to 7 GHz R&S FSP 1164.4391.07
3 Adapting cable 1 m long
SMP-to-SMA connection
- 1129.8259.00
4 Oscilloscope 100 MHz TDS 220 -
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