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
Содержание N9040B Option 513
Страница 4: ...4 ...
Страница 138: ...138 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Messages Condition Messages ...
Страница 240: ...240 Chapter 11 Hardware Options A21 Wideband Analog IF Troubleshooting Figure 11 1 Analog IF Block Diagram ...
Страница 256: ...256 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Block Diagrams Block Diagrams Block Diagrams ...
Страница 306: ...306 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 2 External Hardware ...
Страница 338: ...338 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 28 Chassis ...
Страница 346: ...346 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts ...
Страница 502: ...502 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Post Repair Procedures ...
Страница 532: ...532 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Functional Tests Scale Fidelity ...
Страница 536: ...536 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Software Software Updates ...
Страница 541: ...Index Index 541 Y yellow LED 48 51 yig filter see A12 YTF YTF see A12 YTF ...