PS3 upgrade problem need help

Alright guys, I checked the 40 pin connector no damaged or bent pins. Wire to wire on connector through switch ohmed out good.  The signal transformer looks good no broken wires and also ohmed out. Looked over the board real good and no sign of burning or even any dis colorization. I did try to do the conventional reset still with no luck. I also double checked dcc and everything works in dcc. 

Also installed board into known good unit, strange thing when I hit horn the horn would go off even with no engine programmed into remote. Still would not see engine but can hear processor board working.  

Just not convince the board is bad, does western depot in yuba city, CA have a way of testing? 

Hoping for the best. 

What happens when you try to load it in the remote?  You can try clearing out address 1 in the remote and retry adding.   G

If it works in DCC, that certainly suggests the DCS/DCC switching is the issue.

I have had the remote cleared of everything when trying all this. Every time remote only say "no engine to add" 

i wasn't convinced that it wasn't the switch or connection that's why that board is in another engine for testing.  Still only get "no engine to add"

I must have lost everyone here. Think it did a conventional reset. Finally got a horn at the end but still won't see engine in dcs. 

Still "no engine to add!"

Try using a small jumper wire and shorting the two pins directly at the 40-pin connector.  Poke it right into pin 1 & 2 on the top of the connector.  Power up with that jumper in place and see if it adds.

I put a known good board in the unit last night  and now everything functions as intended. I'm assuming the board is fried. Don't know. Now I've moved on for now to a ps2 dash 9 that does nothing at all and ps2 gp60m that sounds likes its in a tunnel and quiet all the time. Volume is all up. And then a 4-8-4 with PS3 won't move. 

Thank you all for the help. If you think there is something more I can do let me know. I don't even know where to send boards to have them fixed. Hoping one day I will be able to do all the repairs. 

You can send bad boards to me I can evaluate and repair if possible.  E-mail in profile.  For you other engines model numbers matter.  PS-2 5V with 9V battery know to have bad speakers for sound issues, 3V boards with bad batteries can also cause issues with sound, PS-3 do a conventional reset.  G