N9030B PXA Signal Analyzer Service Guide 205
Front End Control Troubleshooting
A15 Front End Control Assembly Troubleshooting
Verifying Input Attenuator A, Input Attenuator B, Low Band Switch
Logic and Power Supplies
1. Turn off the instrument.
2. Disconnect ribbon cables from A15J700 and A15J800 as shown Figure
6-2.
Figure 6-2 Ribbon Cables at A15J700 and A15J800
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