170 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Front End Control Troubleshooting
A15 Front End Control Description
The table below describes the connector location and the final destinations of
the RF signal, switch control logic or bias voltage.
Table 5-2 A15 Connectors and Destinations
A15 Connector
Designation
Description Destination
J900 Narrowband I.F. Out To A2
J901 Wideband I.F. Out To A2 or A3 (Wide bandwidths)
J902 322.5 MHz I.F. In From A13 to A15
J903 Ext IF In From A13 to A15 (Option EXM)
J1100 Aux I.F. Out To Rear Panel
J1300 Switched I.F. Filter Out To A13A2
J801 YTF Bypass Out To SW1 & SW2
(Option MPB with Option 508, 513, or 526)
J700 Low Band Switch Logic Out To A11
J800 Mechanical Attenuator Logic Out To A9 & A10
J102 R.F. Front End Logic Out To A13
J302 Preselector Tune Out N/A (test point only)
J300 YTF Bias Control Out To A12
J802 Low Noise Bypass Switch Logic Out To SW3 (Option LNP)
J100 Motherboard Connector From A8
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