Does this look like TMCC ?

Yes, looks like TMCC

Thank you Chuck.  I'll leave it as is.

Not sure what that is, doesn't look like any TMCC setup I'm familiar with.  It does look like an R2LC on top, but the bottom driver board is unknown to me.

Thanks John, I have a dozen or more Williams FMs and everyone I open is different.

Williams never offered TMCC, so these are retrofits by some previous owner.

@gunrunnerjohn posted:

Williams never offered TMCC, so these are retrofits by some previous owner.

Yes, It's a old train show purchase that I never fired up till today.

I wonder if that’s an old Ed Bender Digital Dynamics board.

Its a TAS board.  It was intended for Beeps.  Its just a driver board.

Lou N

@Lou N posted:

Its a TAS board.  It was intended for Beeps.  Its just a driver board.

Lou N

Lou, I hate to ask but what's a driver board do?

@Dave Ripp. posted:

Lou, I hate to ask but what's a driver board do?

I should have said "motor driver".  It will run any DC motor up to 8 amps.  There are pinouts on one end for front and rear couplers, front and rear lights, smoke, and antenna.  There is a plug on one side for 3rd rail, common, motor 1 and motor 2, and serial data. 

So you can use this board for running smaller equipment (like Beeps and Beefs) and if you install it in a locomotive with room, you can add railsounds boards and tap them into the serial data.

Did that help?

Lou N

@Lou N posted:

I should have said "motor driver".  It will run any DC motor up to 8 amps.  There are pinouts on one end for front and rear couplers, front and rear lights, smoke, and antenna.  There is a plug on one side for 3rd rail, common, motor 1 and motor 2, and serial data.

So you can use this board for running smaller equipment (like Beeps and Beefs) and if you install it in a locomotive with room, you can add railsounds boards and tap them into the serial data.

Did that help?

Lou N

Yes, Thanks Lou.

I wondered about the board.  That's one of the TAS boards that I haven't seen before.

Ed Bender electronics had a U-shaped heat sink associated with the diodes needed for AC to DC.  A two piece assembly.  There was a motor drive board, (bottom of picture, before R2LC boards) and a two board assembly, sound driver, and specific sound. (Middle of picture).   Weaver A5 tender pictured.  ERR, later, had smaller (Lite boards) that did not have the Aluminum heat sinks pictured.

Digital Dynamics had several boards, I used a couple of the Motor-Mite boards.  The Motor-Mite had no wrap-around heatsinks, that was AC/DC DLX board I believe.  None of the DD boards offered cruise.

@gunrunnerjohn posted:

I wondered about the board.  That's one of the TAS boards that I haven't seen before.

I'm not really sure if those went to production.  They were made when the Beep became very popular.  I still have boards and heat sinks on the workbench.

Lou N

@Lou N posted:

I'm not really sure if those went to production.  They were made when the Beep became very popular.  I still have boards and heat sinks on the workbench.

Lou N

I think they did make it into production as I have one and see them on eBay occasionally. They do look a bit like a Train America Studio, SAW board though the SAW is much more common.       j