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Seeburg M100A Pinbank Issues
by aburkhart＠unilect.com 22 May '25

22 May '25

After having much success with getting a couple of Rockola machines operational, I am now getting into the Seeburg world! I have a Seeburg M100A that was converted to 45 play with the CalCoin kit, and which I intend to convert back to 78. I have 2 manuals for the machine, one from Victory Glass (the nicer manual) and the other from Jukebox Arcade (has some extra info than the VG one). My machine has two issues as I can tell: 1. When making any selection, the selected pin is not moving into the play position. I can manually trip a pin and the machine will go to that selection and play. 2. After playing a selection, the record is put back in the rack but the pin is not canceled, and the mech will search and go to the same selection to play. I manually cancel the pin and the mech will stop, as it should. The credit system is adding credits with coins as it should, and removing credits when a selection is made. And the amp is working well. I do not have an analog VOM yet, but one is coming soon, and I believe I need that to help diagnose this issue from what I have read on various forums. I am seeking guidance for the two issues presented above, and would like to know if the subsequent models B and/or C are in any way similar to the Model A as to the pinbank operation when searching for info on the web. I have also ordered Ron Rich's mech guide, although, it may not cover my specific model - I am hoping there may be enough info to help at some point. I measured the various solenoid resistances and they are within range, and free moving. What should I look at first after I get the analog VOM? TIA! Andrew

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Wurlitzer 546B amp
by Tony Miklos 16 May '25

16 May '25

I have a strange one here. A wurlitzer 2910 with a 546B amp (what is a "B" mean?) The amp looks near perfect with a square wave on a scope, but in the juke with that weird speaker set up, it's missing something. First I found that when the amp is set to Mono, the volume goes way down. Changing the bass treble and balance seem to do not much at all. Swapping left and right phone input plugs, showed that one channel on the cartridge was real weak. I put a new cartridge in it and although it sounds a lot better, it really acts strangely when adjusting the bass and treble. depending on the other channels settings, if I lower the bass on the other channel, it gets way more bass, I mean a lot more bass! Moving those switches just makes it do some really weird stuff. No rhyme or reason to it. I did clean them and on the bench, everything looked and acted fine. I don't think there is any crossover except a cap on the one midrange/tweeter that I need to replace. The way the treble is sounding, that cap may be shorted. Now that my back is feeling a little better I'll replace it. From the parts manual I think it's a 22uF bi-polar. What a weird setup. Two different types of 12" speakers and one mid-high range. There is room and even slots cut for another mid-high range but no mounting holes or studs. -- Tony Miklos Tony's Jukebox Repair

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Rock-Ola 1448 makes a group of wrong selections
by M De Simone 14 May '25

14 May '25

Need help! I am working on a 1448 and during test running found that selecting 61 through 80 plays 101 through 120. Can anyone shed some light on this? It’s being picked up on Friday and I have to have it sorted out by then. Many thanks, Mauro Sent from my iPhone

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Rock-Ola 1446 for sale
by Tony Miklos 09 May '25

09 May '25

I have a Rock-Ola 1446 with a deadbeat owner. I've had it stored for almost 10 years and would like to get it out of my way. It was/will be working, the cabinet is finished in oak veneer and the inside painted. The top side of the machine mech, shroud, side panels, mirrors are all done. and everything works. The front door is not done at all, it's in worn condition but I think the grill is very nice. Unfortunately I can't find the pics right now and it will be a bear to pull out and unwrap. So until I find the old pics (may have to make my old PC work) I'd unwrap only if someone is very interested and will come to look at it. I am in Newport, TN. I was asking for $2,000 for the work completed. Is that price inline for a box fitting my description? I now know better to get a down payment for big jobs. -- Tony Miklos Tony's Jukebox Repair

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222 write in problem
by Jukebox Repairman 08 May '25

08 May '25

I have a machine customer brought only wanting to swap out the amp. What he failed to tell me was that it also doesn't select. With the carriage at rest position, make any selection it immediately trips & plays V8 (rest position). After cancelling that and trying any other selection it will not trip to play. Readout is fine via battery test. Pulled back door off and selection receiver has had caps replaced Regards, Rick

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part needed
by Jukebox Repairman 08 May '25

08 May '25

Anyone have an Electrical Selector from a Seeburg 100B Or 100C ? I need to replace one of the snap switches and nothing on ebay.

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rowe R86 Preamp Board
by Jukebox Repairman 04 May '25

04 May '25

Does anyone know the value of the DS1 & DS2 current limiter bulbs for the volume circuit? I would like to see if any of the major semi companies have an in stock equivalent versus paying $19.00 each on ebay.. Regards, Rick

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Capacitor voltage
by M De Simone 04 May '25

04 May '25

I’m just spending the afternoon organizing my capacitors and came across some marked 333K. I understand the value but there is no voltage marked on them, is there a default voltage when none is indicated? Thanks, Mauro Sent from my iPhone

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Rock-Ola CD Fireball
by Tony Miklos 02 May '25

02 May '25

I've never seen one of these before. From pictures it looks something like a CD NSM with the two vertical stacks of CDs. Are they problem machines? Do I want to go out to attempt to fix it and learn in someone's house. Did they make other models like it or was it a flop and discontinued? My gut is telling me to pass on it. It is the floor model if that makes a difference. I think I'm talking myself out of it. I have 50 to 75 total service calls and machines in the shop waiting for their turn. -- Tony Miklos Tony's Jukebox Repair

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Massive magazine online collection - eg: Cash Box
by John Robertson 01 May '25

01 May '25

I just spotted this free site and they have almost every edition of Cash Box magazine - which you can search for names like Wurlitzer (and add 1015 or other models to the search) to see a lot of stories on Jukeboxes and their history. https://www.worldradiohistory.com/Archive-All-Music/Cash-Box-Magazine.htm They have a tremendous amount of information archived - for another example, have you wondered about who made various electrical/electronic components used in jukeboxes? Check out these Radio's (and Electronics) Master Encyclopedias: https://www.worldradiohistory.com/Radio-Master-Catalog.htm You can get lost for days if you love research! John :-#)# -- John's Jukes Ltd. 7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3 Call (604)872-5757 (Pinballs, Jukes, Video Games) flippers.com "Old pinballers never die, they just flip out"

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