M412 ECM Removal 0004

  1. For service, the entire ECM can be easily removed and replaced
  2. To remove the ECM from the cabinet, remove the 4 rack mount screws on the front panel and slide the unit out until the rack slides latch
  3. Disconnect the a/c power entry cable, the ground strap, and all signal cables. All of the signal cables have slide latches except the coaxial cables, which simply pull out
  4. On older M412s – Using a long, thin, flat blade screwdriver, release the catches in the rack slides under the ECM
  5. Pull the ECM out of the rack slides and place it on a workbench
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