Keysight Technologies N9040B UXA Signal Analyzer Service Guide 57
Boot Up and Initialization Troubleshooting
Potential Problems During Boot Process
At a minimum the A6 Power Supply, A4 CPU, A1A2/A1A1 Front Frame Interface and assembly,
and Midplane board must be plugged in to test the power supply LED’s.
Table 2-1 Power Supply Voltage Verification
Test Point Description Expected Voltages (VDC)
TP11 +5.2 V_A +5.2 ± 0.75
TP8 +15 V_A +15 ± 1.0
TP10 +9 V_A +9 ± 1.0
TP12 -7 V_A -7 ± 0.75
TP14 +3.35 V_D +3.35 ± 0.75
TP15 +5.1 V_D +5.1 ± 0.75
TP13 -15 V_A -15 ± 1.0
TP20 +3.3 V_A +3.3 ± 0.75
TP21 -5.2 V_A -5.2 ± 0.75
TP4 Fan_P +7 to +15
TP17 DCOM n/a
TP2 +5.1 V_STBY +5.1 ± 0.75
TP1 +12 V_D +12 ± 1.0
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