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SMPS

Discussion in 'General Electronics Discussion' started by beatsal, May 17, 2020.

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  1. beatsal

    beatsal

    2
    0
    May 17, 2020
    I am trying to fix a 18vdc NICAD battery charger which uses an smps. It is a Sears Craftsman P/N 700994. Output shows 0 V. Don't have a schematic so wonder what's the quickest way to fix i.e. what to look for first
     
  2. bertus

    bertus Moderator

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    Nov 8, 2019
  3. beatsal

    beatsal

    2
    0
    May 17, 2020
    No. No sign of any obvious failure
     
  4. Cannonball

    Cannonball

    191
    53
    May 6, 2017
    check your diodes if it has any. It is hard to troubleshoot without a schematic.
     
  5. Bluejets

    Bluejets

    4,598
    975
    Oct 5, 2014
    Where did you measure this..??

    Most smart chargers will not start until they have done a battery condition check.
     
  6. Martaine2005

    Martaine2005

    3,293
    900
    May 12, 2015
    From AAC:
    I have a 18VDC Charger which is showing 5VDC,


    Martin
     
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