Troubleshooting, Troubleshooting tables – Anritsu 682XXB User Manual
Page 209
682XXB/683XXB MM
5-43
Step 7.
Connect a 562 Scalar Network Analyzer to the 682XXB/
683XXB as follows:
a.
Connect the 682XXB/683XXB
AUX I/O
to the 562
AUX
I/O
.
b.
Connect the 562
DEDICATED GPIB
to the 682XXB/
683XXB
IEEE-488 GPIB
.
c.
Connect the RF Detector to the 562 Channel A Input.
Step 8.
Set up the 562 Scalar Network Analyzer as follows:
a.
Press SYSTEM MENU key.
b.
From System Menu display, select RESET.
c.
Press CHANNEL 2 DISPLAY: OFF
d.
Press CHANNEL 1 DISPLAY: ON
e.
Press CHANNEL 1 MENU key.
f.
From the Channel 1 Menu display, select POWER.
Step 9.
Using the scalar network analyzer, measure the RF output
at J3 of the switched filter assembly. The amplitude of the
RF signal should be >17 dBm throughout the full sweep.
G
If the amplitude of the RF signal is correct, replace the
down converter assembly.
G
If there is no RF signal or if the amplitude of the RF sig-
nal is low, replace the switched filter assembly.
Table 5-20.
Error Messages 128, 129, 130, 131, 132, 133, 134, and 135 (3 of 8)
TROUBLESHOOTING
TROUBLESHOOTING
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