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This is a follow up on a previous post about the sound on a Lionel NYC 6-28014.  Thank you to the people who responded. Yes, this is a old Pacific locomotive purchased in the late 90s.    There are two boards in the tender that control sound.  One is the power board (I assume that is RS25GS01) and the other is the audio board (R2LC08). The audio board has a "pot" ( 35v 220uf) with cracks in the upper surface. I believe, based upon other posts) that the audio board can be replaced with R4L.  One correction to the original post is that the system is not completely silent; there is a "scratchy"  sound produced but no whistle or bell. I have attached a photo of the two boards.  The capacitor with the red mark is the one that appears "cooked."IMG_0857

The question is:  Do I need to replace both boards or only the R2LC08 board?

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  • IMG_0857
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It looks like I was wrong on the other thread as far as a single circuit board vs. modular boards. Gunrunner is correct, the radio board (R2LC) is for the engine. If there is a circuit board in the engine, it is likely for the tender (sound power supply). Does the locomotive run? It is likely now all 3 boards are going to need to be replaced.

For the older RS board, there's a RS3 power board, 690-9845-256, it's not the normal generic power supply board.

It's likely that you can transplant the chips in the RS3 board to a much more readily available RS4 board and use the generic RS power supply board, also much more readily available.

 

I have no idea what you did to the R2LC plugging it into the tender, probably nothing good.

When I read about the "jump", I checked the picture I included in my last post.  I have images of all the boards I have and I "clicked" on the wrong one.  Gunrunnerjohn's diagram made me check the posting. I apologize for the confusion I caused.

power boardArrow points to blown capacitor.  The board is a Number 610-9845-256.

I appreciate all your comments as they were very helpful. In the future, I will also check my attachments before I press the "send" button. 

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Images (1)
  • power board: Arrow points to "blown" capacitor.

In that case, you simply need that power board.  You might try replacing the cap, but not having one to look at, I don't know what the value is.

BTW, the red mark on the cap on the R2LC is in many of them, and those "cracks" are simply expansion joints in case the electrolyte starts expanding.  The cap looks fine to me, and I suspect the R2LC is fine.

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