Keysight N9040B Option 508 User Manual

234 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Power Supply/Midplane Troubleshooting
A7 Midplane Board Assembly Troubleshooting
Table 9-1 A7 Midplane Board LEDs and Test Points
Supply/
Signal
Description Referenced
To
Generated
On
Expected Status
Power On
LED Test Point
(VDC)
+32VA +32 Volt Analog Supply ACOM A6 Off not measurable
+15VA +15 Volt Analog Supply ACOM A6 Green TP8 +15 ± 1.0
+15VSB +15 Volt Standby Supply ACOM A6 n/a not measurable
+9VA +9 Volt Analog Supply ACOM A6 Green TP10 +9 ± 1.0
+5.1VA +5.1 Volt Analog Supply ACOM A6 Green TP11 +5.1 ± 0.75
-7VA -7 Volt Analog Supply ACOM A6 Green TP12 -7 ± 1.0
-15VA -15 Volt Analog Supply ACOM A6 Green TP13 -15 ± 1.0
+12VD +12 Volt Digital Supply DCOM A6 Green TP1 +12 ± 1.0
+5.1VD +5.1 Volt Digital Supply DCOM A6 Green TP15 +5.1 ± 0.75
+5.1VSB +5.1 Volt Standby Supply DCOM A6 Green TP2 +5.1 ± 0.75
+3.35VD +3.35 Volt Digital Supply DCOM A6 Green TP14 +3.35 ± 0.75
FAN_P Fan Positive Voltage ACOM A6 Green TP4 +9.2 to +14.5
+3.3VA +3.3 Volt Analog Supply ACOM A7 Green TP20 +3.35 ± 0.75
-5.2VA -5.2 Volt Analog Supply ACOM A7 Green TP21 -5.2 ± 0.75
PSFAULT_L
or
PSFAULTn
Power Supply Fault ACOM A6 n/a not measurable
DCOM Digital Common n/a n/a
PWR_OK Digital Supplies OK DCOM A6 Off not measurable
PS_ONn Power Supply Enable DCOM A4 Green not measurable

Keysight N9040B Option 508 Specifications

General

Brand	Keysight
Model	N9040B Option 508
Category	Measuring Instruments
Language	English