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Crown D-150A Service Bulletins
[D-150A]

Service Bulletins For Crown D-150A stereo Amplifiers.

Format: Download/PDF

Models Applicable: D-150A

Contains the following Bulletins:

    D150A090878
      S/N Any D-150/D-150A below #26191
      Regarding D-150A's displaying an intermittent mechanical hum
    D150A091878
      S/N: #22394 through #26590
      [factory mod starts #26591]
      Some D-150A IOC units may exhibit turn-off pop that occurs 5-30 seconds after system turn-off
    D150A090778
      All D-150A amplifiers:
      Regarding rack mounts have problem occassionally coming loose from front panel
    D150A090678
      S/N: #19960 up to #24061 (use 6.25A AC line fuse)
      Regarding: With the event of an output device failure, the .1 ohm 5W emitter resistors might fail. The resistor can open up and casue the main circuit board to become charred and/or actually catch fire under proper circumstances
    D150A020780
      Regarding availability of .1 ohm 5W resistors

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