RailPro > RailPro Specific Help & Discussion
Wiring Diagram for LM-3S-G with Phoenix Sound board
mickey:
I too am away til next Wednesday. So I can’t check things til then. But in answer to your questions, yes, I miss typed and meant whistle. I said horn button as that is what it was before I changed the pic and title. I started with this climax since I knew the sound was working prefect under the prior install of LocoLinc which is what I’m converting from. I did not manually test as I’m not sure if Phoenix is trigger wire is ground or has voltage and I didn’t want to blow anything. Yes it was doing the same before I attached the trigger wires to the RP. The one thing I have different is I have the P8 chuff wire hooked to the Climax chuff wire.
JRad:
OK. First we should disconnect the P8 from RailPro and the climax and do the Basic Bench Test as outlined on Page 6 of the Phoenix P8 Manual which can be downloaded from: http://www.phoenixsound.com/pdf/P8_Handbook.pdf
Once you get the Steam Idle sounds, try the Trigger Check Out on Page 7.
Triggers fire when grounded. Run a jumper from C2 Pin 1 (trigger ground) and touch it to each of the trigger terminal pins 2,3,4,5 and 6. You should get a chuff on pin 2, Whistle on Pin 3 , Bell on pin 4, Blow down on pin 5 and station announcement on pin 6. This assumes it's never been changed from factory default.
Does the Climax Chuff have two wires? If only one it might be an optical circuit and the board will need 5V to drive it. Phoenix P8 C2 Pin 7 is +5V for this purpose.
gregeusa:
I may have missed it, but old or new climax, makes a huge difference re:chuff... old has actual chuff switch, 2 contacts, isolated.
New has pulses coming from the circuit board, which must be powered, and not sure if Bachmann copied their original mistake on the K27 to this loco... so would be good to debug that output first with a meter.
Greg
mickey:
it is the newer Climax. So how exactly would I hook up the meter to test. One to chuff and other to ground or power?
gregeusa:
so, you should check the chuff output pin, do you have the wiring diagram and/or schematic?
Greg
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