[Jukebox-list] Rockola 1438 - LAST PROBLEM?

[Ron Rich]

I would think so--

wbabbott at cox.net wrote:  Rich, should there be continuity through all three banks, ie. placing one probe on one top let of button #1 (1st Bank) and the other probe a on button #30 (3rd Bank) should give continuity "at rest"? And so on down each leg. I've done this and it appears that I lose continuity on the 3rd leg down on 3rd Bank.

---- Ron Rich wrote: 
> Britt,
> Seeing as I do not remember the circuit, nor the construction of the switches, it's still my guess that the ladder is broken somewhere--Ron
> 
> wbabbott at cox.net wrote:
> Ron, I guess it's a ladder switch, there are three banks of buttons. I took a meter and checked the contacts between #1 and #2 "at rest" and there's continuity at all points except at bottom points where pushing the button send signal to pinbank?.. Any other ideas?
> 
> ---- Ron Rich wrote: 
> > Britt,
> > My GUESS, from what you say is, it's a "ladder switch circuit", and he problem(s) are in the # 1 button. If it is a "ladder" type switch, check to see if when the # 1 button is "at rest" the connnections are made to the # 2 switch. Hope that helps--Ron Rich
> > 
> > wbabbott at cox.net wrote:
> > Guys, you'll recall some of my postings while getting my Rockola 1438 Comet Fireball in tip top shape, everything from infamous coin/slug rejector to turntable gromets, cancel relay, and P132D cartridge installation. This newbie has learned alot from the wealth of experience on this board. 
> > I'm down to my last problem on the 1438. When I push the #2 selector button, I hear a buzz in or around the pinbank, but nothing happens. Of course it happens on all four selections that match the #2 selection on the four sided selection drum. All other push button keys work and make selections, BUT, only #1 pushbutton works AND removes a credit in the accumulator. All higher buttons including the non-working #2 button fail to remove a credit from the accumulator. I figured I might have a problem with the #2 pushbutton switch. So, with much consternation and frustration, I figured out how to remove the push button switch bank (not an easy task). I examined the #2 button and switch, but I don't see anything out of place. The #2 and all other buttons properly operate the sliders and return to there proper position.
> > Any suggestions from the experts?
> > Thanks,
> > Britt
> > Chesapeake, VA
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