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       R-390/UUR R390/UUR   R390
      R-390 Collins Receiver 
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        Circuit Diagram, Service
      Manual, Service
      Information,  Schematic Diagrams and Manuals  | 
   
 
  
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       For Repairing, Restoration and
      Servicing of Vintage and Modern Electronic Equipment  | 
   
 
  
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      Manual
      with Circuits 
      & Layouts Available 
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       Radio Receiver R-390/ URR 
		Providing for the reception of voice, continuous wave (cw), single-sideband (ssb) and frequency-shift signals, over a frequency range of 0.5 to 32 megacycles. 
       
      The receiver is a superheterodyne of the multiple-conversion type, triple conversion is used for the lower frequencies (0.5 to 8 mc) and double conversion is used for the higher frequencies (8 to 32 mc). 
       
      The manual covers field and depot maintenance for Radio Receiver R-390/ URR. 
       
      It includes instructions appropriate to third, fourth and fifth echelons, for troubleshooting, testing, aligning and repairing the equipment and replacing maintenance parts. 
       
      It also lists tools, materials and test equipment, for third, fourth and fifth echelon maintenance. 
       
      Detailed functions of the equipment are covered in the theory sections. 
       
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      Manual
      with Circuits 
      & Layouts Available 
      Details Below 
      As a Download 
      Click Here
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    The TM 11-5820-357-35
      R-390/URR Field and Depot Maintenance Manual 213 pages 
      Contains the following : - 
       
      THEORY 
      General . 
      Theory of Radio Receiver R-390/URR  
      Theory of Power Supply PP-621/URR, voltage regulator, filament circuits, and oven heater circuits  
      Analysis of mechanical tuning system  
       
    
      
    THIRD ECHELON MAINTENANCE 
      General troubleshooting techniques  
      Troubleshooting receiver  
      Repairs  
      Adjustments  
       
    
      
    FOURTH ECHELON MAINTENANCE 
      Repairs and adjustments  
      Alignment  
      Testing procedures  
       
    
      
    DEPOT INSPECTION PROCEDURES 
      Preparation  
      Tests  
       
    
      
    REFERENCES 
     
      
      INDEX 
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      Manual
      with Circuits 
      & Layouts Available 
      Details Below 
      As a Download 
      Click Here
      | 
   
 
  
     R-390/UUR R390/UUR R390
      R-390 Collins Receiver 
	Manuals are Available Worldwide 
	as a Download. 
       
      TM 11-5820-357-35 R-390/URR Field and Depot Maintenance Manual containing 213 pages as contents list above. 
	 
	Including Circuits with component values and
      Layouts 
       TM
      11-5820-357-10 R-390/URR Operators Manual 37 pages 
       TM 11-5820-357-20
      R-390/URR Organizational Maintenance Manual 30 pages 
        Special
      Offer All three above
      Manuals Total of 280 pages
	Manual 280 A4 pages worldwide 
	 
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     We do all we can to provide 
    the very best that is available for you. 
    But in the unlikely event that any data should not be as you expected. 
    A refund is always available. Kind Regards Allen and Alanna.  | 
   
 
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