Ps-board install help

Sorry about the grammar, but my  tablet went crazy on auto-correct

How about posting a picture of the bottom of the proto-sound board, showing the wires or connectors so we can help you.  Also, is the chip correct for that locomotive?

bruce

There really are only four basic connections to the PS/1 board, here's a list.

You already have sound with the board, so I'd find some sort of place for an 8 ohm speaker and do the full job.

I will take a photo of the board when I get home from work.

Thanks for the schematic, it should help a bunch.

I was thinking I could drill out the holes in the front radiator and install a small speaker there. There is no fuel tank on the K-Line MP-15.

John, remember the early boards are hard wired with no plugs.   If he has plugs, what you put up will do the job.    

Right Marty, the wires are in the same positions, so hopefully he can figure out where to connect them.   Pictures are always good to know exactly what folks have.

The boards I have, have plugs on them. It should make the job easier. I also have a board from a Doodlebug that was converted to TMCC, will save that one for another repair job.

Thanks for all your help gentlemen.

Hi All:  While somewhere near the subject, I have an MTH Union Pacific Challenger I believe is product number 30-1107-0 which was completely dead.  I had two boards with unknown backgrounds.  One is defective the other operates except it does not sequence properly.  It operates the locomotive in forward but does not go into neutral and reverse.  Somewhere, I read that it may be locked in forward mode and it was possible to reset it into normal operation.  I cant imagine that after it sat in my questionable board box for a few years it would remember its last program.  Alternatively, I have a good set of PS1 boards but no steam sound chip.  If anyone has a steam sound chip for PS1 and is willing to sell it, please let me know.  
Gunrunnerjohn, would the chip be available from Henning's ?  The chip from 30-1116-1 C&O Allegheny would work.  Meanwhile, I guess I'll fire up the scope and see if I can figure out what might be going on.  Most of the boards I am familiar with use the CD4013 dual flip flop for sequencing but things are not always easy.  Best Regards,

Phranzdan