Reply to "FAILED - MTH PS2 3v Steam Boiler Board - replaceable?"

First you need to trace the wires to the mux.  If you had no wires plugged into the mux just the 10 pin to the engine chassis plug in the middle of the engine it would be a harness problem.  Does it have the thick blue wire soldered underneath the PCB?  Are the smoke fan and such in the right receptacles on the output side of mux?  SHorting out he PS-2 board with a buzz is going to be a 5VDC or PCB Ground issue overloading the processor.  There is only one chip powered by DC on the board  is it burned?  G

MTH Authorized Service Center

Authorized ERR Dealer

Lionel Independent Repair Tech

Virginia Train Collectors Member

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

www.ogaugerr.com
×
×
×
×
×