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QUOTE (stmartins @ 3 Mar 2009, 14:32) <{POST_SNAPBACK}>Having been bitten by the sound bug I have now converted 3 locos and have 4 more decoders on order. I have been testing and running them on a rolling road and today ran them after a long period of inactivity on my circuit. Well for the uninitiated what a disaster it has turned out to be.The first thing I discover is the track needs to be immaculate as these sound chips seem much more "sensitive" to any form of current interruption than an ordinary decoder.The slightest piece of "muck" stops the loco and sound but the big killer is Live Frogs.
Regretfully I have 2 and every time City of Sheffield and the other Pacifics go over them the whole lot shuts down, I have changed the bogie's with no luck, deepened the frog with a fine file, still the same I am now waiting for the paint to dry as I have tried a little paint near the actual live part of the frogs. I have to say I am a little disappointed as I had not given this any thought but felt it worth posting it on the forum to assist any one else who is now into sound.
I used the Dapol track cleaner for the first time on all of the track and it does get some muck off, but its not my day as that has packed up as well.
Could be a day for flying locos if things don't improve

What make of points are you using & Have you modified them so that the polarity of the frogs are switched by a switch attached to the point motor ? or are you depending on the switch blades to power the frogs ?
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