This section provides the most common repair procedures for the 
  L3500 tape library. The repair procedures are provided in the following manual: 
The table below provides the page numbers that each procedure begins on. 
 
   
    |  
       Component 
     | 
     
       Page Numbers 
     | 
     
       Tips 
     | 
  
   
    |  
       Cosmetic Panels 
     | 
     
       90-94 
     | 
      | 
  
   
    |  
       Controller Electronics Assembly 
     | 
     
       95-97 
     | 
      | 
  
   
    |  
       X-Axis Interconnect Board 
     | 
     
       99-101 
     | 
      | 
  
   
    |  
       X-Axis Stepper Motor Assembly 
     | 
     
       102-103 
     | 
      | 
  
   
    |  
       X-Axis Stepper Motor Assembly 
     | 
     
       104-106 
     | 
      | 
  
   
    |  
       Load Port Door Lockout Solenoid 
     | 
     
       107-109 
     | 
      | 
  
   
    |  
       Front Door Interlock Switch 
     | 
     
       110-111 
     | 
      | 
  
   
    |  
       Y-Axis Umbilical Cable 
     | 
     
       112-113 
     | 
      | 
  
   
    |  
       X-Axis Umbilical Cable 
     | 
     
       114-115 
     | 
      | 
  
   
    |  
       X-Axis Drive Belt 
     | 
     
       116-117 
     | 
      | 
  
   
    | Y-Axis Drive Belt | 
     
       118-120 
     | 
      | 
  
   
    | DC Fan Assembly | 
     
       121-125 
     | 
      | 
  
   
    |  
       Extension Axis Assembly 
     | 
     
       126 
     | 
      | 
  
   
    | Tape Drive | 
     
       127-129 
     | 
     
 Information from the following FINs may be helpful when replacing a tape 
        drive: 
      
        -  I0495 
          - Broken door handles on DLT7000s
 
        - I0448 
          - Leader misalignment may cause problems
 
        - I0435 
          - st.conf entries for 2.5.1 & 2.6 are incorrect
 
        - I0349 
          - Internal cables missing from 2 drive library models, can't add additional 
          drives without them
 
       
    Quantum DLT7000 tape drives may fail with right column of LEDs flashing (FCO 
      A0150-1). 
     | 
  
   
    | Tape Drive Interface Board | 
     
       130-131 
     | 
      | 
  
   
    | Tape Drive Stepper Motor Assembly | 
     
       132-133 
     | 
      | 
  
   
    | Tape Drive Tray Assembly | 
     
       134-135 
     | 
      | 
  
   
    | Tape Drive Distribution Board | 
     
       136-137 
     | 
      | 
  
   
    | Tape Drive Mulitplexor Board | 
     
       138-140 
     | 
      | 
  
   
    | Control Panel Assembly | 
     
       141-142 
     | 
      | 
  
   
    | X-Axis Confirmation Sensor | 
     
       143-144 
     | 
      | 
  
   
    | Robotics Controller Board | 
     
       145-147 
     | 
      | 
  
   
    | Actuator Driver Board | 
     
       148-150 
     | 
      | 
  
   
    | PC Logic Power Supply (326 Watt) | 
     
       151-153 
     | 
      | 
  
   
    |  
       Motor Power Supply (100 Watt) 
     | 
     
       154-156 
     | 
      | 
  
   
    | Light Bulb | 
     
       157-158 
     | 
      | 
  
   
    | Reassembling Library | 
     
       159-160 
     | 
      |