Troubleshooting
5-6 Troubleshooting
MG362x1A MM
PN: 10370-10386 Rev. B
5-13
5-6
Troubleshooting
Error conditions and performance problems can be caused by a variety of singular or combined scenarios. This
section provides basic troubleshooting suggestions. Any problems that are not resolved should be referred to an
Anritsu Service Center.
Malfunctions Not Displaying an Error Message
Problem:
MG362x1A Will Not Turn On (OPERATE light and FAN are OFF)
Normal Operation :
When the MG362x1A is connected to the power source and the rear panel line switch is
turned on, the OPERATE light should illuminate and the instrument should power up. When the MG362x1A
is set to standby mode, the fans should run slow and the STANDBY light should illuminate.
Procedure
1.
Check the line fuses.
•
If the line fuses are good, go to step 2.
•
If the line fuses are defective, replace the fuses.
2.
Apply power to the instrument.
•
If the instrument powers up, the problem is cleared.
•
If the instrument fails to power up, go to step 3.
3.
Disconnect the MG362x1A from the power source, then remove the MG362x1A top cover.
4.
Refer to the assembly replacement procedures in
as needed.
5.
Inspect the ac line supply/switch block and the wiring to the main power supply and standby power
supply for defects.
•
If a defect is found, replace as necessary.
•
If no defect is found, go to step 6.
6.
Replace the standby and main power supplies.
•
If the instrument powers up, the problem is cleared.
•
If the instrument fails to power up, contact your local Anritsu Service Center for assistance
Problem: MG362x1A Will Not Turn On (OPERATE light is ON)
Normal Operation :
When the MG362x1A is connected to the power source and the rear panel line switch is
turned on, the OPERATE light should illuminate and the instrument should power up. When the MG362x1A
is set to standby mode, the fans should run slow and the STANDBY light should illuminate.
Procedure
Remove the MG362x1A top and bottom cover.
1.
Apply power and measure the regulated voltages at P1 and P2 of the motherboard
.
•
If one or more, but not all of the related voltages are out of regulation, a malfunction of the
regulation circuitry is indicated. Replace the B1 voltage regulator module.
•
If all of the related voltages are out of regulation, a malfunction of the regulator supply source is
indicated. Replace the related supply source.
2.
Check for normal operation.
•
If the instrument powers up, the problem is cleared.
•
If the instrument fails to power up, go to step 4.
Содержание Rubidium MG362 1A Series
Страница 12: ...Contents 10 PN 10370 10386 Rev B MG362x1A MM ...
Страница 16: ...1 9 ESD Requirements General Information 1 4 PN 10370 10386 Rev B MG362x1A MM ...
Страница 30: ...2 6 RF Deck Assemblies Functional Description 2 14 PN 10370 10386 Rev B MG362x1A MM ...
Страница 66: ...3 11 FM and Phase Modulation Calibration Calibration 3 36 PN 10370 10386 Rev B MG362x1A MM ...
Страница 164: ...4 26 Pulse Modulation Tests with the 86100C Oscilloscope Performance Verification 4 98 PN 10370 10386 Rev B MG362x1A MM ...
Страница 292: ...B 5 Self Test Messages Instrument Messages B 8 PN 10370 10386 Rev B MG362x1A MM ...
Страница 293: ......