[[workbench:lecroy_9424]]

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workbench:lecroy_9424 [2019/08/27 13:50]
dashie [Notes]
workbench:lecroy_9424 [2019/08/27 13:51] (current)
dashie [Current State]
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   * According to flow chart of service manual, Trigger Calibration Failure means replacing the 9420-4 TDC (Time Base card)   * According to flow chart of service manual, Trigger Calibration Failure means replacing the 9420-4 TDC (Time Base card)
 +
 +  * Swapped the Time Base card with a working one from a 9420 and the scope works again.
 +  * Backplane seems a little bit dirty, sometime false contact
 +  * Worst case I swap the backplane with a 9420 one
  
 ===== Notes ===== ===== Notes =====
  • workbench/lecroy_9424.txt
  • Last modified: 2019/08/27 13:51
  • by dashie