W1900 plays same record

[mauro]

So just when I thought I had this sorted out, it starts this up.
Selection entered, pin pops, Selector Crank arm finds pin then reverses about 30 degrees and tries to cancel the pin in that location. At this point I have my head inside the back of the jukebox but I'm assuming the carousel does not turn as the same record keeps loading.
I checked and cleaned all the switches and they are operating as described in the service manual (as best I can decipher)
There are 2 Stop Magnets in the junction box that don't move at all during the cycle, not sure if they should?
Any suggestions would be greatly appreciated, this style mechanism is definitely not one that I'm used to working on bit would like to learn more.
Thanks, Mauro

[Ron Rich]

Hi Mauro,
Very EZ fix --just don't select that record ! End of "problem"---
What are "stop magnets" ??
My GUESS would be, the "Back-stop" for that side of the records, was dirty/oily--if some fool has not tried to "adjust"it--not too hard a job, IF, the stop is clean--not necessary, if still painted (gray) in place by the factory --- Back-stops on all WurliTzers, must be kept clean and dry !!
HINT: On 1900 models, WurliTizer used a fairly good size piece "Fish-paper", glued to the metal that sits behind the ABCD switches. If missing, it may intermittently get the wrong selections--depending on how "bent" the keyboard frame happens to be---Ron Rich

[mauro]

Hey Ron,
Thanks for replying, I guess you can sense the desperation here? LOL.
so no "fool" has tried to adjust the backstops, so you are saying if I clean the backstops that might solve this issue?
I wish I could just not play that tune but whatever you select doesn't matter as that tune gets loaded.
I may just make the trip to my friends place today if it's that simple.

Stop Magnets are the terms uses in the manual, I would have just called them coils.

[mauro]

I have read the entire section on the operation of the mech now and it makes no mention of "backstops" could you possibly describe them or their function?
Thanks again!

[Ron Rich]

Hi Mauro,
I don't know where my 1900 manual is--nor do I recall exactly where on the mechanism shelf, they are located--my great, but fading, memory says that they are on the sides of the shelf on these models--on the later 200's they are located toward the rear of the shelf. To find at least one, put the run-load switch in "load " position and slowly turn the basket--You will hear a "clicking", or "ticking" sound as the back stop(s?) fall into the teeth under the record the basket. These are there to stop the basket from turning in the opposite direction when the basket motor reverses. NOTE: To clean them--I use a plastic safe solvent-- Be 200 % sure you remove all records that could get solvent on them FIRST !!
HTH
Ron Rich

[mauro]

Ron,
I found the back stop and it is working correctly.
The problem is that the selector arm moves to the pin but the record carousel does not move at all, hence same record gets loaded.
Also the selector arm reverses direction and goes about 30 pins back before it moves down to try to cancel the pin. Of course, the pin is not there and the cycle repeats.

[mauro]

Hmm, it seems as though the record carrier and the selector arm operate independently. When the arm finds the pin the carousel may or may not have been engaged but when the motor stops the carousel continues to coast freely until the lift arm engages it.
It seems like whatever is supposed to hold the carousel in position with the selector crank arm is not. Either that or a Dynamic braking failure but I don't think so as the carousel should be coupled to the selector crank arm, I imagine?
Does this make any sense?

[Ron Rich]

Yezzer--they MUST be "coupled". I MAY be getting my WurliTzer types mixed up here, but it seams to me the basket sits on a drive pin----
sounds as if yours is not doing so ? Ron Rich

[robnyc]

Mauro, what you describe is atypical case of the upper crank being out of lock with the carousel. Here is what the snap catch looks like: www.flickr.com/photos/90641375@N06/39068492972/in/dateposted-public/

To re-sync the them the crank pin must be in the notch on the catch. Hold the lower crank while turning the carousel clockwise. At some point you'll feel some resistance. Keep turning and you should hear a snap after which the carousel will be locked with the lower crank. I don't know how they could have gotten out of lock though.

Rob

[mauro]

Gentlemen,
That was the trick!
We got it all synced back up today.
They just snaped in as per Rob's description. I've never had that happen before, but then again I spend 95% of my time on Seeburgs and AMI's.
Thanks guys, that was a real head scratcher.
I'm not sure how it happened but one day it played fine and the next day turned it on and Surprise!!
Well, another lesson learned.
Happy Holidays to All,
Mauro

[Ron Rich]

Hi Mauro,
I have seen that happen a few times--I SUSPECT, that "someone" attempts to move the basket, without putting the "run-load" switch into "load" ?
Ron Rich