CHAPTER 1. INTRODUCTIONDescriptionFigure 1-1. Power Supply Test Set AN/USM-428Figure 1-1. Power Supply Test Set AN/USM-428-continuedTable 1-1. Performance DataTable 1-3. Cable AssembliesCHAPTER 2. SERVICE UPON RECEIPT AND INSTALLATIONFigure 2-1. Typical Packaging DiagramSection Ill. INSTALLATION INSTRUCTIONSCHAPTER 3. OPERATING INSTRUCTIONSTable 3-1. Controls, Indicators, and ConnectorsTable 3-1. Controls, Indicators, and Connectors-continued -501480025Table 3-1. Controls, Indicators, and Connectors-continued -501480026Table 3-1. Controls, Indicators, and Connectors-continued -501480027Table 3-1. Controls, Indicators, and Connectors-continued -501480028Section Il. OPERATION UNDER USUAL CONDITIONSSection III. OPERATION UNDER UNUSUAL CONDITIONSTable 3-2. Self-TestTable 3-2. Self-Test-continued -501480032Table 3-2. Self-Test-continued -501480033Table 3-2. Self-Test-continued -501480034Table 3-2. Self-Test-continued -501480035CHAPTER 4. OPERATOR/CREW MAINTENANCE INSTRUCTIONSCHAPTER 5. ORGANIZATIONAL MAINTENANCE INSTRUCTIONSCHAPTER 6. FUNCTIONING OF EQUIPMENTFigure 6-1. Power Supply Test Set Simplified Functional Block DiagramFigure 6-2. Power Supply Test Set Power Control Functional Block DiagramFigure 6-3. Power Supply Test Set Input Power Switching to the UUTFigure 6-4. Battery Charging Test CircuitryCHAPTER 7. DIRECT SUPPORT MAINTENANCE INSTRUCTIONSCHAPTER 8. GENERAL SUPPORT MAINTENANCE INSTRUCTIONSSection II. TOOLS AND EQUIPMENTFigure 8-1. Transistor DiagramsFigure 8-2. Diode DiagramsFigure 8-3. Relay DiagramsFigure 8-3A. Connector-Pin Arrangement DiagramTable 8-1. Power Supply Test Set Wire ListTable 8-1. Power Supply Test Set Wire List-continued -501480056Table 8-1. Power Supply Test Set Wire List-continued -501480057Table 8-1. Power Supply Test Set Wire List-continued -501480058Table 8-1. Power Supply Test Set Wire List-continued -501480059Table 8-1. Power Supply Test Set Wire List-continued -501480060Table 8-1. Power Supply Test Set Wire List-continued -501480061Table 8-1. Power Supply Test Set Wire List-continued -501480062Table 8-1. Power Supply Test Set Wire List-continued -501480063Table 8-1. Power Supply Test Set Wire List-continued -501480064Table 8-1. Power Supply Test Set Wire List-continued -501480065Table 8-1. Power Supply Test Set Wire List-continued -501480066Table 8-1. Power Supply Test Set Wire List-continued -501480067Table 8-1. Power Supply Test Set Wire List-continued -501480068Table 8-1. Power Supply Test Set Wire List-continued -501480069Table 8-1. Power Supply Test Set Wire List-continued -501480070Table 8-1. Power Supply Test Set Wire List-continued -501480071Table 8-1. Power Supply Test Set Wire List-continued -501480072Table 8-1. Power Supply Test Set Wire List-continued -501480073Table 8-1. Power Supply Test Set Wire List-continued -501480074Table 8-1. Power Supply Test Set Wire List-continued -501480075Table 8-1. Power Supply Test Set Wire List-continued -501480076Table 8-1. Power Supply Test Set Wire List-continued -501480077Table 8-1. Power Supply Test Set Wire List-continued -501480078Table 8-2. Cable Assemblies - Wire ListTable 8-2. Cable Assemblies - Wire List-continued -501480080Table 8-2. Cable Assemblies - Wire List-continued -501480081Table 8-2. Cable Assemblies - Wire List-continued -501480082Table 8-2. Cable Assemblies - Wire List-continued -501480083Table 8-2. Cable Assemblies - Wire List-continued -501480084Table 8-2. Cable Assemblies - Wire List-continued -501480085Table 8-2. Cable Assemblies - Wire List-continued -501480086Table 8-3. Power Supply Test Set Preventive Maintenance Checks and ServicesTable 8-4. Tools and Equipment Requipment Required for General Support MaintenanceTable 8-4. Tools and Equipment Requipment Required for General Support Maintenance-continuedSection III. TROUBLESHOOTINGFigure 8-4. Electrical Connections for TestFigure 8-5. Power Supply Test Set Parts Location DiagramFigure 8-5. Power Supply Test Set Parts Location Diagram-continued -501480093Figure 8-5. Power Supply Test Set Parts Location Diagram-continued -501480094Figure 8-5. Power Supply Test Set Parts Location Diagram-continued -501480095Figure 8-5. Power Supply Test Set Parts Location Diagram-continued -501480096Figure 8-5. Power Supply Test Set Parts Location Diagram-continued -501480097Table 8-5. Power Supply Test Set Test ProcedureTable 8-5. Power SupplyTest Set Test Procedure-continued -501480099Table 8-5. Power SupplyTest Set Test Procedure-continued -501480100Table 8-5. Power SupplyTest Set Test Procedure-continued -501480101Table 8-5. Power SupplyTest Set Test Procedure-continued -501480102Table 8-5. Power SupplyTest Set Test Procedure-continued -501480103Table 8-5. Power SupplyTest Set Test Procedure-continued -501480104Table 8-5. Power SupplyTest Set Test Procedure-continued -501480105Table 8-5. Power SupplyTest Set Test Procedure-continued -501480106Table 8-5. Power SupplyTest Set Test Procedure-continued -501480107Table 8-5. Power SupplyTest Set Test Procedure-continued -501480108Table 8-5. Power SupplyTest Set Test Procedure-continued -501480109Table 8-5. Power SupplyTest Set Test Procedure-continued -501480110Table 8-5. Power SupplyTest Set Test Procedure-continued -501480111Table 8-5. Power SupplyTest Set Test Procedure-continued -501480112Table 8-5. Power SupplyTest Set Test Procedure-continued -501480113Table 8-5. Power SupplyTest Set Test Procedure-continued -501480114Table 8-5. Power SupplyTest Set Test Procedure-continued -501480115Table 8-5. Power SupplyTest Set Test Procedure-continued -501480116Table 8-5. Power SupplyTest Set Test Procedure-continued -501480117Table 8-5. Power SupplyTest Set Test Procedure-continued -501480118Table 8-5. Power SupplyTest Set Test Procedure-continued -501480119Table 8-5. Power SupplyTest Set Test Procedure-continued -501480120Table 8-5. Power SupplyTest Set Test Procedure-continued -501480121Table 8-5. Power SupplyTest Set Test Procedure-continued -501480122Table 8-5. Power SupplyTest Set Test Procedure-continued -501480123Table 8-5. Power SupplyTest Set Test Procedure-continued -501480124Table 8-5. Power SupplyTest Set Test Procedure-continued -501480125Table 8-5. Power SupplyTest Set Test Procedure-continued -501480126Table 8-5. Power SupplyTest Set Test Procedure-continued -501480127Table 8-5. Power SupplyTest Set Test Procedure-continued -501480128Table 8-5. Power SupplyTest Set Test Procedure-continued -501480129Table 8-5. Power SupplyTest Set Test Procedure-continued -501480130Table 8-5. Power SupplyTest Set Test Procedure-continued -501480131Table 8-5. Power SupplyTest Set Test Procedure-continued -501480132Table 8-5. Power SupplyTest Set Test Procedure-continued -501480133Table 8-5. Power SupplyTest Set Test Procedure-continued -501480134Table 8-5. Power SupplyTest Set Test Procedure-continued -501480135Table 8-5. Power SupplyTest Set Test Procedure-continued -501480136Table 8-5. Power SupplyTest Set Test Procedure-continued -501480137Table 8-5. Power SupplyTest Set Test Procedure-continued -501480138Table 8-5. Power SupplyTest Set Test Procedure-continued -501480139Table 8-5. Power SupplyTest Set Test Procedure-continued -501480140Table 8-5. Power SupplyTest Set Test Procedure-continued -501480141Table 8-5. Power SupplyTest Set Test Procedure-continued -501480142Table 8-5. Power SupplyTest Set Test Procedure-continued -501480143Table 8-5. Power SupplyTest Set Test Procedure-continued -501480144Table 8-5. Power SupplyTest Set Test Procedure-continued -501480145Table 8-5. Power SupplyTest Set Test Procedure-continued -501480146Table 8-5. Power SupplyTest Set Test Procedure-continued -501480147Table 8-5. Power SupplyTest Set Test Procedure-continued -501480148Table 8-5. Power SupplyTest Set Test Procedure-continued -501480149Table 8-5. Power SupplyTest Set Test Procedure-continued -501480150Table 8-5. Power SupplyTest Set Test Procedure-continued -501480151Table 8-5. Power SupplyTest Set Test Procedure-continued -501480152Table 8-5. Power SupplyTest Set Test Procedure-continued -501480153Section IV. MAINTENANCE OF THE PSTSLegend for Figure 8-6Legend for Figure 8-6-continued -501480156Legend for Figure 8-6-continued -501480157Figure 8-6. Power Supply Test Set Exploded ViewFigure 8-6. Power Supply Test Set Exploded View-continued -501480159Figure 8-6. Power Supply Test Set Exploded View-continued -501480160Figure 8-6. Power Supply Test Set Exploded View-continued -501480161Figure 8-6. Power Supply Test Set Exploded View-continued -501480162Indicators DS1, DS2, and DS3Switch-Indicator lampSwitches S4 thru S9Circuit breaker CB2Time totalizing meter M1Relay K3Power supply PS1Diode CR40Diodes VR6, VR11, and VR21Resistors R21 and R33Insulated terminals E2 thru E29Resistors R5, R9 thru R15, R18 thru R20, and R82 thru R87Axial fan B1Figure 8-7. Component Assembly No. 1 A1 Parts Location DiagramPSTS AdjustmentsModular power supply PS2 voltage adjustmentCurrent limiter adjustmentFigure 8-9. Power Supply Test Set Adjustments Location DiagramSection V. GENERAL SUPPORT TESTING PROCEDURESFigure 8-10. Backshell Strap WrenchRemoval/InsertionFigure 8-12. Contact Pins and Insertion and Removal ToolsFigure 8-14. Contact Pin Insertion Tool LoadingFigure 8-15. Crimping Tool MS3198-1 with Positioner MS3198-6PFigure 8-16. Crimping Tool MS3191-4 with Positioner MS3191-9TTable 8-6. Cable and Connector Tooling and Contact IdentificationFigure 8-17. Contact Pin Crimping Tool OperationFigure 8-18. Crimping Tool MY28-4Figure 8-20. Cable and Terminal Assembly CrimpingCHAPTER 9. MATERIEL USED IN CONJUNCTION WITH MAJOR ITEMAPPENDIX A. REFERENCES -501480195APPENDIX B. COMPONENTS OF END ITEM LISTSection II. INTEGRAL COMPONENTS OF END ITEMSection II. INTEGRAL COMPONENTS OF END ITEM-continuedSection III. BASIC ISSUE ITEMSAPPENDIX C. ADDITIONAL AUTHORIZATION LISTAPPENDIX D. MAINTENANCE ALLOCATION CHARTTools and Test Equipment Requirements, Section IIISection II. MAINTENANCE ALLOCATION CHART -501480205Section II. MAINTENANCE ALLOCATION CHART-continued -501480206Section II. MAINTENANCE ALLOCATION CHART-continued -501480207Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS -501480208Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS-continuedAPPENDIX E. REPAIR PARTS AND SPECIAL TOOLS LISTAPPENDIX F. EXPENDABLE SUPPLIES AND MATERIALS LISTGLOSSARY -501480215FO-1. Power Supply Test Set Functional Block DiagramSchematic drawingFO-2. Power Supply Test Set Schematic Diagram-continued -501480235FO-2. Power Supply Test Set Schematic Diagram-continued -501480236FO-2. Power Supply Test Set Schematic Diagram-continued -501480237TM-5-6675-309-14 Test Set Power Supply PADS AN/USM-428 Manual