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Ho Kato Sd80Mac Decoder Issues

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  • Member since
    February 2007
  • From: Ontario
  • 383 posts
Ho Kato Sd80Mac Decoder Issues
Posted by Caso.Sub on Thursday, May 26, 2011 2:37 PM

Hi Everyone

I am experiencing issues with one my Kato's. I put a Dh123ps decoder in the loco, but it shorted and fried the decoder. Is there an apparent problem with this loco?

 

Thanks,

Caso

  • Member since
    June 2005
  • 4,368 posts
Posted by Darth Santa Fe on Thursday, May 26, 2011 4:21 PM

Some of Kato's earlier DCC ready boards, like in the SD80, had a problem with one of the motor's contact straps touching one of the traces on the top of the board (it's easy to spot). This would cause a short and fry any DCC decoder. All you have to do is cut the motor's strip down a little or bend it the other way.

_________________________________________________________________

  • Member since
    February 2006
  • From: Gahanna, Ohio
  • 1,987 posts
Posted by jbinkley60 on Sunday, May 29, 2011 7:48 AM

Here's the note from Kato's website.  Note that this only applies to the earlier runs of this unit.  I have three of these but have just replaced the entire board with a sound decoder decoder board.

 

 

Engineer Jeff NS Nut
Visit my layout at: http://www.thebinks.com/trains/

  • Member since
    December 2005
  • From: Spanaway, WA
  • 787 posts
Posted by SMassey on Sunday, May 29, 2011 10:31 AM

I have 2 SD80MACs and they are both running a DH163 plug in decoder (basicly the same decoder as the 123 but with more features)  and the only issue I noticed was the motor clip as listed in the article JB linked.  I have an SD90/45MAC that has the DH123 in it and no issues with DCC what so ever.  Check all connections, make sure there is nothing is shorting and make sure that the decoder is not shorting through the insulation.

 

Massey

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