I have a RTR Dash 9 that seems to draw way to much power, it with 4 other engines will shut down my DB 150? Yet, it has not ate the decoder? So I am guessing (will test here is a little bit) that the light board is causing the problem. If it is, what resistor value would I use for the small 1.3 volt (I think that what they are) bulbs?
I have yet to see a LED that would fit the holes for the bulbs.
Thank you for your time, Ken
I hate Rust
Well, I don't know that you'd want LEDs to fit in the light bulb holes. The headlights don't stick out through the hole like the glued-in AThearn bulbs do anyway. What you'd really want are some MV Products lenses to fit the holes, and the LED(s) would go behinf them, inside the shel like, oh, nearly every other fairly recently made loco model. WHy AThearn persists with this, even on their high end Genesis locos, is a bit of a mystery. AThearn says the bulbs are around 15ma, so around a 1K resistor will probably work., 820 ohms if too dim at 1K.
It could be something goofy in the board, bt if it's past the decoder, it would cause too much current to be drawn at the function oututs, which would fry that part of the decoder. If there is some defect between the rail pickups and the decoder plug, then it could make for sme wierdness. Seems odd that it otherwise runs fine though - but stranger things have happened.
--Randy
Modeling the Reading Railroad in the 1950's
Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more.
Randy, thanks for the answer.
I did just test the motor and it is bad. While it only draws 1.15 amps at stall, it run's real slow. Digging threw my extra motors looking for a replacement.
Thanks for your time.
Ken