Chapter 1 INTRODUCTION - TM-32-5835-001-24-P0007Destruction of Army MaterialNOMENCLATURE CROSS-REFERENCESection II. EQUIPMENT DESCRIPTION AND DATATable 1-1. Recorder Set VersionsChapter 2 ORGANIZATIONAL MAINTENANCEFigure 2-1. Base, Mounting MethodsFIGURE 2-2. Aircraft ConfigurationFigure 2-3. Vehicle ConfigurationFigure 2-4. Shelter ConfigurationFigure 2-5. Telephone Plug ConfigurationSection II. PREVENTIVE MAINTENANCE CHECKS AND SERVICESTable 2-1. Organizational Preventive Maintenance Checks and ServicesTable 2-1. Organizational Preventive Maintenance Checks and Services (Cont.)Section III. PRINCIPLES OF OPERATION RemovalTable 2-2. Recorder Set Test/Troubleshooting - TM-32-5835-001-24-P0024Table 2-2. Recorder Set Test/Troubleshooting - TM-32-5835-001-24-P0025Section V. RECORDER SET MAINTENANCEInspect - TM-32-5835-001-24-P0027Figure 2-7. Power Supply, Remove/ReplaceRepair - TM-32-5835-001-24-P0029Figure 2-8. Recorder Cleaning LocationsChapter 3 Direct Support and General Support Maintenance Tape drive systemFigure 3-1. Recorder Simplified Block DiagramFigure 3-2. Capstan/Pinch Roller Tape DriveRecord /reproduce electronicsSection II. TROUBLESHOOTINGMaintenance Action Precise Symptom ListPower Supply.Procedure.Figure 3-5. Power Supply, AC Input, Equipment SetupTeable 3-1. Power Supply Troubleshooting - TM-32-5835-001-24-P0041Teable 3-1. Power Supply Troubleshooting - TM-32-5835-001-24-P0042Teable 3-1. Power Supply Troubleshooting - TM-32-5835-001-24-P0043Recorder, ElectromechanicalTable 3-2. Recorder Electromechanical Troubleshooting - TM-32-5835-001-24-P0045Table 3-2. Recorder Electromechanical Troubleshooting - TM-32-5835-001-24-P0046Table 3-2. Recorder Electromechanical Troubleshooting - TM-32-5835-001-24-P0047RecorderFigure 3-7. Tape Speed, Equipment SetupFigure 3-8. Flutter, Equipment SetupTable 3-3. Recorder Troubleshooting - TM-32-5835-001-24-P0051Table 3-3. Recorder Troubleshooting - TM-32-5835-001-24-P0052Amplifier Circuit (Record/Reproduce)Figure 3-9. Channels, Equipment SetupFigure 3-11. Crosstalk, Equipment SetupFigure 3-13. Microphone, Equipment SetupTable 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0057Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0058Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0059Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0060Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0061Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0062Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0063Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0064Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0065Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0066Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0067Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0068Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0069Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0070Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0071Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0072Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0073Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0074Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0075Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0076Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0077Table 3-4. Record/Reproduce Circuit Troubleshooting - TM-32-5835-001-24-P0078Meter Drive Circuit - TM-32-5835-001-24-P0079Figure 3-14. Meter Drive Circuit, Equipment SetupTable 3-5. Meter Drive Circuit Troubleshooting - TM-32-5835-001-24-P0081Table 3-5. Meter Drive Circuit Troubleshooting - TM-32-5835-001-24-P0082Table 3-5. Meter Drive Circuit Troubleshooting cont'd - TM-32-5835-001-24-P0083Table 3-5. Meter Drive Circuit Troubleshooting cont'd - TM-32-5835-001-24-P0084Bias Oscillator Circuit - TM-32-5835-001-24-P0085Figure 3-15. Bias Oscillator Circuit, Equipment SetupFigure 3-16. Erase Efficiency, Equipment SetupTable 3-6. Bias Oscillator Circuit Troubleshooting - TM-32-5835-001-24-P0088Table 3-6. Bias Oscillator Circuit Troubleshooting - TM-32-5835-001-24-P0089Table 3-6. Bias Oscillator Circuit Troubleshooting - TM-32-5835-001-24-P0090Table 3-6. Bias Oscillator Circuit Troubleshooting - TM-32-5835-001-24-P0091Capstan Motor Servo CircuitFigure 3-17. Capstan Motor Servo Circuit, Equipment SetupTable 3-7. Capstan Motor Servo Circuit TroubleshootingTest ProcedureFigure 3-18. Sensor Circuit, Equipment SetupTable 3-8. Sensor Circuit Troubleshooting - TM-32-5835-001-24-P0097Table 3-8. Sensor Circuit Troubleshooting - TM-32-5835-001-24-P0098Table 3-9. Reel Motor Circuit TroubleshootingSection III. BASE (UNIT 1) MAINTENANCEInspect - TM-32-5835-001-24-P0101Figure 3-20. Base, Assemble/DisassembleSection IV. POWER SUPPLY (UNIT 2) MAINTENANCEFigure 3-21. Power Supply, Assemble/DisassembleInspect - TM-32-5835-001-24-P0105Fuse Card (2A1) Maintenance InstructionsRepair - TM-32-5835-001-24-P0107Figure 3-22. Fuse Card (2A1), Remove/ReplacePower Card (2A2) Maintenance InstructionsFigure 3-23. Power Card (2A2), Remove/ReplaceInspect - TM-32-5835-001-24-P0111Power Supply Final Test ProcedureFigure 3-24. Power Supply DC Final Test, Equipment SetupTable 3-11. Power Suuply Final TestTable 3-11. Power Suuply Final Test cont'dSection V. RECORDER (UNIT 3) MAINTENANCERecorder Maintenance InstructionsFigure 3-26. RecorderRecorder Housing (3A1) Maintenance InstructionsInspect - TM-32-5835-001-24-P0120Figure 3-27. Recorder Housing (3A1), Remove/ReplaceFigure 3-28. Recorder Housing (3A1), Assemble/DissembleFront Panel (3A3) Maintenance InstructionsService - TM-32-5835-001-24-P0124Figure 3-29. Front Panel (3A3), Remove/ReplaceFigure 3-30. Front Panel (3A3), Assemble/DisassembleKnob (3A3A1) Maintenance InstructionsFigure 3-31. Knob (3A3A1), Assemble/DisassembleMag Transport (3A4) Maintenance InstructionsFigure 3-32. Mag Transport (3A4), Top ViewFigure 3-33. Mag Transport (3A4), Bottom ViewSlide Plate (3A4A1) Maintenance InstructionsService - TM-32-5835-001-24-P0133Adjust - TM-32-5835-001-24-P0134Figure 3-34. Slide Plate (3A4A1), Remove/ReplaceFigure 3-35. Supply Brake AdjustmentAudio Head Assembly (3A4A1A1) Maintenance InstructionsService - TM-32-5835-001-24-P0138Figure 3-36. Audio Head (3A4AlA1), Remove/ReplaceFigure 3-37. Audio Head (3A4AlA1), Assemble/DisassembleRollers (3A4A1A2 and 3A4A1A3) Maintenance InstructionsReplace - TM-32-5835-001-24-P0142Figure 3-38. Rollers (3A4AlA2 and 3A4A1A3), Remove/ReplaceFigure 3-39. Rollers (3A4AlA2 and 3A4AlA3), AdjustmentDrive Wheel (3A4AlA4) Maintenance InstructionsReplace - TM-32-5835-001-24-P0146Figure 3-40. Drive Wheel (3A4A1A4), Remove/ReplaceFigure 3-41. Drive Wheel (3A4A1A4), Assemble/DisassembleIdler Wheel (3A4A1A4A1) Maintenance InstructionsReplace Figure 3-42. Idler Wheel (3A4A14A1), Remove /ReplaceErase Head (3A4A1PU2) Maintenance InstructionsReplace - TM-32-5835-001-24-P0153Figure 3-43. Erase Head (3A4A1PU2), Remove/ReplaceCounter (3A4A2) Maintenance InstructionsService - TM-32-5835-001-24-P0156Figure 3-44. Counter Drive Belt, Remove/ReplaceFigure 3-46. Counter (3A4A2), Assemble/DisasembleEjector (3A4A3) Maintenance InstructionsRepair - TM-32-5835-001-24-P0160Figure 3-47. Ejector (3A4A3), Remove/ReplaceFigure 3-48. Ejector (3A4A3), Assemble/DisassembleMode Selector (3A4A4) Maintenance InstructionsService - TM-32-5835-001-24-P0164Figure 3-49. Mode Selector AlignmentService cont'dFigure 3-50. Mode Selector (3A4A4), Remove/ReplaceFigure 3-51. Mode Selector (3A4A4), Assemble/DisassembleFigure 3-52. Drive Belt, Tension AdjustmentCircuit Cards (3A4A5 and 3A4A6) Maintenance InstructionsReplace - TM-32-5835-001-24-P0171Figure 3-53. Circuit Cards (3A4A5 and 3A4A6), Remove/ReplaceCircuit Cards (3A4A7 and 3A4A8) and C Filter (3A4A11) Maintenance InstructionsService - TM-32-5835-001-24-P0174Figure 3-54. Circuit Cards (3A4A7, 3A4A8) and C Filter (3A4A11), Remove/ReplaceResistor Card (3A4A9) Maintenance InstructionsReplace - TM-32-5835-001-24-P0177Figure 3-55. Resistor Card (3A4A9), Remove/ReplaceFilter (3A4A10) Maintenance InstructionsReplace - TM-32-5835-001-24-P0180Figure 3-56. R Filter (3A4A10), Remove/ReplaceSensor (3A4A12) Maintenance InstructionsRepair - TM-32-5835-001-24-P0183Figure 3-57. Sensor (3A4A12), Remove/ReplaceFigure 3-58. Sensor (3A4A12), Assemble/DisassembleActuator (3A4A13) Maintenance InstructionsRepair - TM-32-5835-001-24-P0187Figure 3-59. Actuator (3A4A13), Remove /ReplaceFigure 3-60. Actuator (3A4A13), Assemble/DisassembleSwitches (3A4S1J through 3A4S1P) Maintenance InstructionsInspect - TM-32-5835-001-24-P0191Test - TM-32-5835-001-24-P0192Figure 3-61. Switches (3A4SlJ through 3A4S1P), Assemble/DisassembleDisk Reel (3A4A14) Maintenance InstructionsRepair - TM-32-5835-001-24-P0195Figure 3-62. Disk Reel (3A4A14), Remove /ReplaceFigure 3-63. Disk Reel (3A4A14), Assemble/DisassembleDisk Reel (3A4A16) Maintenance InstructionsAdjust - TM-32-5835-001-24-P0199Figure 3-64. Disk Reel (3A4A16), Remove/ReplaceFigure 3-65. Disk Reel (3A4A16), Assemble/DisassembleReel Motor (3A4A17) Maintenance InstructionsTest - TM-32-5835-001-24-P0203Figure 3-66. Reel Motor (3A4A17), Remove/ReplaceCapstan Motor (3A4A18) Maintenance InstructionsAdjust - TM-32-5835-001-24-P0206Figure 3-67. Capstan Motor (3A4A18), Remove/ReplaceFigure 3-68. Capstan Motor (3A4A18), Assemble/DisassembleRecorder Final Test ProcedureTable 3-13. Recorder Final TestTable 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0211Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0212Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0213Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0214Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0215Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0216Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0217Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0218Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0219Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0220Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0221Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0222Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0223Audio and Output DistortionTable 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0225Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0226Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0227MicrophoneTable 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0229Input Output SignalTable 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0231Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0232Table 3-13. Recorder Final Test cont'd - TM-32-5835-001-24-P0233Figure 3-70. Tape Speed Final Test, Equipment SetupFigure 3-72. Erase Efficiency Final Test, Equipment SetupFigure 3-74. Crosstalk Final Test, Equipment SetupFigure 3-76. Microphone Final Test, Equipment SetupREFERENCES - TM-32-5835-001-24-P0239Appendix B MAINTENANCE ALLOCATION CHARTReplace - TM-32-5835-001-24-P0242Column 5, Tools and Equipment - TM-32-5835-001-24-P0243Section II MAINTENANCE ALLOCATION CHART - TM-32-5835-001-24-P0244Section II MAINTENANCE ALLOCATION CHART - TM-32-5835-001-24-P0245Section II MAINTENANCE ALLOCATION CHART - TM-32-5835-001-24-P0246SECTION III. TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-32-5835-001-24-P0247SECTION IV. REMARKS - TM-32-5835-001-24-P0248ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTExplanation of Columns.Maintenance Code - TM-32-5835-001-24-P0251Recoverability Code - TM-32-5835-001-24-P0252National Stock NumberHow to Locate Repair Parts - TM-32-5835-001-24-P0254Figure C-l. Recorder-Reproducer Set, Sound AN/UNH-16AGROUP 00 RECORDER-REPRODUCERFigure C-2. Base, Mount, Electrical Equipment MT-4032/GGROUP 01 BASE, MOUNT, ELECTRICAL EQUIPMENTFigure C-3. Power Supply PP-6875A/UNH-16A (sheet lof 2)GROUP 02 POWER SUPPLYFigure C-3. Power Supply PP-6875A/UNH-16A (sheet 2 of 2)Repair Parts List - TM-32-5835-001-24-P0263Figure C-4. Semiconductor device-fuse assemblyFigure C-5. Circuit card assemblyFigure C-6. Recorder-reproducer, Sound RD-385A/UNH-16AGROUP 03 RECORDER-REPRODUCERGROUP 03 RECORDER-REPRODUCER, - TM-32-5835-001-24-P0268GROUP 03 RECORDER-REPRODUCER, - TM-32-5835-001-24-P0269Figure C-7. Housing, recorder-reproducerGROUP 0301 HOUSING, RECORDER-REPRODUCERFigure C-8. Control, recorder-reproducer GROUP 0303 CONTROL, RECORDER-REPRODUCER - TM-32-5835-001-24-P0273GROUP 0303 CONTROL, RECORDER-REPRODUCER - TM-32-5835-001-24-P0274Figure C-9. Knob assemblyFigure C-10. Magnetic tape transport subassembly (sheet 1 of 2)GROUP 0304 MAGNETIC TAPEFigure C-10. Magnetic tape transport subassembly (sheet 2 of 2)Repair Parts List - TM-32-5835-001-24-P0279Repair Parts List - TM-32-5835-001-24-P0280Figure C-11. Slide plate subassembly (sheet 1 of 2)GROUP 030101 SLIDE PLATEFigure C-11. Slide plate subassembly (Sheet 2 of 2)Repair Parts List - TM-32-5835-001-24-P0285Repair Parts List - TM-32-5835-001-24-P0286Figure C-12. Head mounting assemblyFigure C-13. Drive wheel subassemblyGROUP 03040104 DRIVE WHEEL SUB-ASSEMBLYFigure C-14. Counter-pulley assemblyGROUP 030402 COUNTER-PULLEY ASSEMBLYFigure C-15. Ejector subassemblyGROUP 030403 EJECTOR SUB-ASSEMBLYFigure C-16. Switch assemblyGROUP 030404 SWITCH ASSEMBLYFigure C-17. Amplifier assemblyGROUP 030407 AMPLIFIER ASSEMBLYFigure C-18. Circuit card assemblyGROUP 030408 CIRCUIT CARD ASSEMBLYFigure C-19. Resistor assemblyGROUP 030409 RESISTOR ASSEMBLYFigure C-20. Filter assemblyGROUP 0304010 FILTER ASSEMBLYFigure C-21. Circuit card assemblyFigure C-22. Sensor, recorder-reproducerFigure C-23. Actuator AssemblyFigure C-24. Disk, reelFigure C-25. Motor, AssemblyGROUP 9900 BULK MATERIAL - TM-32-5835-001-24-P0309GROUP 9900 BULK MATERIAL - TM-32-5835-001-24-P0310Figure C-26. Kit, Maintenance, Electronic Equipment MK - 1977/UNH - 16A KIT, MAINTENANCE, ELECTRONIC EQUIPMENT MK-1977/UNH-16ANATIONAL STOCK NUMBER AND PART NUMBER INDEX - TM-32-5835-001-24-P0314NATIONAL STOCK NUMBER AND PART NUMBER INDEX - TM-32-5835-001-24-P0315PART NUMBER INDEX - TM-32-5835-001-24-P0316PART NUMBER INDEX - TM-32-5835-001-24-P0317PART NUMBER INDEX - TM-32-5835-001-24-P0318PART NUMBER INDEX - TM-32-5835-001-24-P0319PART NUMBER INDEX - TM-32-5835-001-24-P0320Appendix D EXPENDABLE SUPPLIES AND MATERIALS LISTSECTION ITM 32-5835-001-24P&IPS AND MATERIALS LISTPower Supply CircuitFO-1. Power Supply CircuitFO-2. Record Amplifier Circuit - TM-32-5835-001-24-P0341FO-2. Record Amplifier Circuit - TM-32-5835-001-24-P0342Reproduce Amplifier CicuitFO-3. Reproduce Amplifier CircuitMeter Drive Circuit - TM-32-5835-001-24-P0345FO-4. Figure Drive CircuitBias Oscillator Circuit - TM-32-5835-001-24-P0347FO-5. Bias Oscillator CircuitCapstan Motor CervoFO-6. Capstan Motor Cervo CircuitSensor CircuitFO-7. Sensor CircuitReel Motor Circuit FO-8. Reel Motor Circuit Power DistributionFO-10. RD-385A/UNH -16A Recorder-ReproducerTM-32-5835-001-24-P Recorder-Reproducer Set Sound AN/UNH-16A V1 (Aircraft) 5835-00-529-6291 V2 (Vehicle) 5835-00-529-6306 V3 (Shelter) 5835-00-529-6307 Manual