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Agilent 85102 IF
Amplifier Test
Figure 6-6
Test Set Troubleshooting
Troubleshooting Procedures
Procedure 3
Service Adapter Connections
Using the Service Adapter
The service adapter (part number 85102-60210) substitutes for a test set, by
connecting the 20 MHz IF signal from the Agilent 85102 back into the
amplifier of the Agilent 85102. This is done to determine if a fault is in the
test set or the 85102.
1. Connect the service adapter as shown in
2. Press
,
[RECALL]
{MORE}
, PARAMETER,
[STEP]
the corresponding softkey to observe the unratioed power level of the
user1 through user4 channels. The traces should be flat lines, quite close
to each other, as indicated by the marker value (typically about
−
28 ±5 dB).
Service Adapter Conclusions
If all the channels look good. The 85102 is working properly. The problem
is most probably with the source or the test set.
If one or more channels look bad. The problem is most probably with the
85102. Refer to the Agilent 8510 On-Site Service Manual for information on
troubleshooting the 85102.
6-10 Agilent 8511B Test Set Operating and Service Manual
Figure
,
,
{FACTORY PRESET}
[MARKER]
. Examine each user parameter by pressing
[MENU]
6-6.
, STIMULUS,
,
[MENU]
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Troubleshooting
