grandpafixing Posted January 10, 2014 Share Posted January 10, 2014 Sorry for raising this old chestnut, but wonder if I could get some advice. I am installing a sound decoder to my Bachmann standard 4MT, I have snipped out the capacitor attached to the 8 pin plug and also the two at the rear of the motor. Was I correct to take the two at the back of the motor off? Link to post Share on other sites More sharing options...
gordon s Posted January 10, 2014 Share Posted January 10, 2014 I always do and have heard nothing to that would convince me not to. I'm sure that decoders have their own version of suppression components or similar and the caps are not required. Not a problem at all. Link to post Share on other sites More sharing options...
Sr-Dixon Posted January 10, 2014 Share Posted January 10, 2014 I've done the same, not for sound though but standard dcc, works fine, if not better. Link to post Share on other sites More sharing options...
JJGraphics Posted January 10, 2014 Share Posted January 10, 2014 Sorry for raising this old chestnut, but wonder if I could get some advice. I am installing a sound decoder to my Bachmann standard 4MT, I have snipped out the capacitor attached to the 8 pin plug and also the two at the rear of the motor. Was I correct to take the two at the back of the motor off? I always remove all of the capacitors when fitting a decoder regardless of sound or not. Never had any performance problems with locos prepared in this way. I have purchased sound-fitted locomotives from a specialist and notice they also remove the capacitors. Have also "fixed" locos for a couple of friends who were having erratic running problems by removing capacitors when they had not done so after fitting decoders. Link to post Share on other sites More sharing options...
corax67 Posted January 10, 2014 Share Posted January 10, 2014 You have done well young padawan - I whip the capacitors out of every loco I chip and don't suffer poor running so I am either lucky (but have yet to win the lottery) or there is something in it. Link to post Share on other sites More sharing options...
Kal Posted January 10, 2014 Share Posted January 10, 2014 I did recently have a word with SK at Hornby and asked hime why: 1. They did not fit the capacitors to the blanking plate, so that when you used Decoder they were removed with it 2. Why Hornby use a common negative for functions instead of the common positive the NMRA standard dictates. He said he would pass it on to the design department to check. Maybe if a few other people asked they may, adopt these two things. Link to post Share on other sites More sharing options...
grandpafixing Posted January 10, 2014 Author Share Posted January 10, 2014 Thanks guys Set my mind to rest One thing I have to say Brian at Howes is an A1 bloke Link to post Share on other sites More sharing options...
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