Normally, a defective ground will cause error tripping, and a too-high wrte pulse caused by defective voltage regulation will cause this problem Note that I encountered this only on the selection receiver from the VL (TSR3-on) where two 0A2 reg's were used. ------------------------------------------------ There is an odd error that can occur in timing on the #2 timing relay.
Using this diagram: https://www.flickr.com/photos/90641375@N06/36140664003/in/photostream/
If the R and Q contacts open too soon -this would be as the pulse is being applied, it produces pulse cutoff that trips the mech and can cause extra totoids to flip.
I ran into this on a 222 and VL (TSR3) in the late 80's and since then I bridge these connections so that they are eliminated. I also gang the N contacts as well, though I did this just to reduce contacts in the pulse ckt.
RobNYC
On Sunday, December 22, 2024 at 03:50:12 PM GMT-8, M De Simone via Jukebox-list jukebox-list@lists.netlojix.com wrote:
Today I went (as promised) to a friends place to see if I could get his wallbox working again and spent much time with some success, the previously rebuilt TSR1 and stepper is working now but seems to pick up all numbers in a particular letter group. For example selecting L4 will play all L selections. It also trips immediately when a selection is made. It was getting late in the afternoon and I couldn’t figure it out so left it until I could get some advice. So here I am, What would cause this issue? Thank you, Mauro
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