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Hi All,

I just finished updating an old MTH Cab Forward with an Electric RR Cruise Commander and Articulated Railsounds Commander.  While everything works great, I think it is funny that I am getting a UP Challenger Whistle coming out of the Cab Forward.  Lionel now sells Railsounds 5.0 components, and I was thinking of getting the AC-12 RS 5.0 motherboard, power board, and sound board for it, but I don't have a schematic knowing where to plug in the board to the Cruise Commander.

Does anyone know what needs to be plugged in where?  I would like to know before I purchase the boards.

Here is a picture of the motherboard.

RS Mother Board

Thanks in advance.

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  • RS Mother Board
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I think I have one of those motherboards. I will check tonight. I am pretty sure the connectors are marked on the underside what they are for. Usually the two pin connector is the speaker. The black connector goes to track power. One connector will be for serial data and one for the chuff switch but I will try and determine which is which. 

Pete

Last edited by Norton

I've been wanting to do this exact same thing, but Ken at Electric Railroad Co. said it couldn't be done.

"...What you need is an ERR stand-alone RS4 power board to plug your audio board into.  I was selling them here for a year or so after we stopped shipping RS4.  But they have been gone now for a year.  Sorry- Ken"

You're talking about using an RS 5.0 motherboard, power board, and sound board as complete separate system and running through the Cruise Comander. I don't know how different what you're doing is, but if you can get it to work, let me know! 

- RICH

Thanks all - yes, I will be getting all three boards - the motherboard (pictured above), the RS Power board, and the RS 5.0 board.  All three together should be stand alone, just like the old Digital Dynamics RS 4.0 boards.  I just don't know what will plug in where.  I'm sure the 3 pin at the top is for the speaker, and the black is the power, but I don't know where the serial and common plugs in to.

Here is what I will purchase if I can get this to work:

RS Boards

On the current board:

ERR Sound

I think once I know where the serial and common go, then this should be a snap.

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  • RS Boards
  • ERR Sound
richtrow posted:

I've been wanting to do this exact same thing, but Ken at Electric Railroad Co. said it couldn't be done.

"...What you need is an ERR stand-alone RS4 power board to plug your audio board into.  I was selling them here for a year or so after we stopped shipping RS4.  But they have been gone now for a year.  Sorry- Ken"

You're talking about using an RS 5.0 motherboard, power board, and sound board as complete separate system and running through the Cruise Comander. I don't know how different what you're doing is, but if you can get it to work, let me know! 

- RICH

I have purchased the powered motherboards from Lionel parts and used them, so I know they will function.  In a previous post, I detailed the differences from the old ERR RS Commander, it's simple to use this board.  The sticking point for many is making the cables, I have the crimp tool, contacts, and connector shells so it's simple for me.

It's still available at Lionel for $45.  It's also a lot more compact than using the full RS MB with the two boards.

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  • blobid0
Last edited by gunrunnerjohn

Here's what you need to know to translate the the ERR documentation to the Lionel part.

From a previous post:

There are three extra pins that are for an external volume control as this board doesn't have it on-board.  There are the red block on the right.  You can either use those pins with an external control or buy the proper volume control pot and solder it to the board locations for it.  You can also short two of the pins for max volume and dispense with the volume control.  For steam, a reed switch goes between the Trigger switch and DC Common on the lower right connector.  The 5VDC is for a hall effect sensor.

 

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  • blobid0
gunrunnerjohn posted:

OK, I thought you were going for the powered motherboard, that would have only required two boards and is a more compact solution.

John - thanks - I re-read your post and I think I will try the 2 board solution instead.  As you said, compact would be good and cheaper to boot!

I got the boards, and hooked it up, but got no sound.  What I hooked up was the 3rd rail, common, and serial from the cruise commander, and the speaker leads.  I then experimented (bad idea), and smoked the power board, so I ordered another one.

What am I missing?  Do I need to reprogram once installed, am I missing some wires?  Any help is appreciated.

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