minolta di 450 does not turn on

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  • dawood_pk1
    • May 2025

    #1

    minolta di 450 does not turn on

    i m working on minolta di 450 which does not turn on, led's turn on of pwb-a and pwb-b but machine does not turn on.


    print button pf control panel also gives green light but machine is dead.
    help me in this regard
  • Hansoon
    Field Supervisor

    Site Contributor
    2,500+ Posts
    • Sep 2007
    • 3350

    #2
    Re: minolta di 450 does not turn on

    I would say power supply, If it still has the old one with the two large "P.O.Box like" slots in the aluminum heat sink than almost for sure that's the reason. The new power supply has an aluminum heat sink with only 5 little oval holes in a vertical row in it.

    Other possibility is Main Relay RY1.

    Good Luck!

    Hans
    “ Sent from my Intel 80286 using MS-DOS 2.0
    https://www.copytechnet.com/images/smilies/biggrin.png

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    • JustManuals
      Field Supervisor

      5,000+ Posts
      • Jan 2006
      • 9838

      #3
      Re: minolta di 450 does not turn on

      This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from


      Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


      Paul@justmanuals.com

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