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Brought 3 car tank sound set out of storage, checked them out ensured sound slide in Board was seated  properly. However the amount of crackling at idle is loud and repeating. One car responds well to commands and movement with crackling sounds in between. The other two just crackle away. Track has been cleaned, no issue with any other command locomotives. Same crackling operating as single tank cars or within a train configuration.I run command and fresh 9 V batteries are in all three.Any advice from folks?

Al.  allan.bisback@gmail.com

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After making sure it's not the volume pot, I suspect you have oxidation of the contacts on the two chips on the RailSounds board.  I see the exact same symptoms regularly on the modular RailSounds boards.  You need a PLCC extraction tool to pull the two chips up and then reseat them.  That will clear the oxidation from the contacts for a few years.  Do NOT try to remove the chips without the proper tool, you'll crack the socket and that's a much bigger issue.

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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