Chapter 6 — Removal and Replacement Procedures
6-9 Main Power Supply, Auxiliary Power Supply or
MG3702xA MM
PN: 10370-10372 Rev. B
6-15
6-9
Main Power Supply, Auxiliary Power Supply or Regulator PCB
The main supply, auxiliary (standby) supply and voltage regulator PCBs are found under the power supply
cover as shown in
Preliminary
1.
Remove the front handles, rear feet, and chassis covers as described in
.
Main Power Supply
To remove the power supply:
1.
On the power supply cover, remove the 4 screws closest to the corners.
2.
Unplug the connectors from both ends of the main power supply.
3.
Release the main power supply from the cover by removing the 4 screws.
4.
To install the power supply assembly, reverse the removal process.
Auxiliary Power Supply
The auxiliary (standby) power supply is a small PCB mounted on the larger voltage regulator PCB.
1.
Unplug the connectors from the auxiliary PCB.
2.
Remove the 4 screws that secure the auxiliary power supply to the regulator PCB.
3.
To install the auxiliary power supply assembly, reverse the removal process.
A3 Regulator PCB
To remove the regulator PCB:
1.
Unplug all connectors.
2.
Remove the 6 screws that secure the regulator PCB.
3.
To install regulator PCB, reverse the removal process.
4.
Refer to
for the adjustments and verifications needed after replacement.
Danger
Hazardous voltages are present inside the power supply assembly
whenever the AC line power is connected. Turn off the instrument and
remove the power line before proceeding with this section.
Note
The cover will feel heavy when lifted because the main power supply is mounted to the underside of
the cover.
Summary of Contents for MG3702xA Series
Page 4: ......
Page 5: ......
Page 8: ...TG 8 PN 10370 10372 Rev B MG3702xA MM ...
Page 24: ...1 12 Test Equipment List Chapter 1 General Information 1 10 PN 10370 10372 Rev B MG3702xA MM ...
Page 42: ...2 5 RF Deck Assemblies Chapter 2 Functional Description 2 18 PN 10370 10372 Rev B MG3702xA MM ...
Page 120: ...5 5 Troubleshooting Tables Chapter 5 Troubleshooting 5 24 PN 10370 10372 Rev B MG3702xA MM ...
Page 182: ...Index 4 PN 10370 10372 Rev B MG3702xA MM ...
Page 183: ......