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       #Post#: 625--------------------------------------------------
       Dummy unit horn question
       By: JT828 Date: April 18, 2014, 7:21 pm
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       I just received a dummy unit for my sons train set. The set is a
       union pacific from 1975. The dummy unit looks great and the horn
       works, but the speaker has a noticeable hum/buzz when running
       the set. Is there something that can be done to reduce this? The
       dummy unit is number 6-8573 , u36b. I have not been able to find
       much information on the unit. I also was wondering if it is
       supposed to have working lights. The only description I found
       for it didn't mention lights. Thanks for any help
       [attachment deleted by admin]
       #Post#: 631--------------------------------------------------
       Re: Dummy unit horn question
       By: TrainLarry Date: April 20, 2014, 11:29 am
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       According to the service manual
 (HTM) http://www.lionel.com/media/supplements/Supplement1to9/1Complete.pdf,<br
       />page 108, there is no light in the unit. If you get a hum in t
       he
       speaker, try reversing your transformer connections at the track
       and see if that works. If that does not work, then the board may
       need to be replaced.
       Larry
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