Fwd: jukebox restoration

[Thomas Sprinkmeier]

Friends of ours have an old jukebox.

It used to work until it got a bit of a bump.


I've had a look at it, but feel well out of my depth. I mentioned
hackerspace and its pool of many and varied talents.

Long story short, they have offered to host next Wednesday's hackerspace
meeting (up to 6) to give you a chance to have look at it.
Their house is not far from Marion Westfield and conveniently near a
bus route (contact me off-list for the address).


Plan A is for someone to give it the magic touch and get it working again.

Plan B is to tuck a little computer and amplifier inside it somewhere
and hook it up to the switches and speakers.

Plan C is $INSERT_PLAN_C

Thomas

--
Quis custodiet ipsos custodes?

[Peter Wintulich]

Hello,

I may have a source for some spare parts up Tee Tree Plaza way, I will check.
I also have a friend who once worked for a juke box company, I will find out if he can help out.

Regards Peter.

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Peter Wintulich

Voicetronix Pty. Ltd.
Level 1, 246 Pulteney Street,
ADELAIDE  5000
South Australia
AUSTRALIA
+61 8 8232 9112

[Kim Hawtin]

> On 07/03/13 09:13, Thomas Sprinkmeier wrote:
> Friends of ours have an old jukebox.
> It used to work until it got a bit of a bump.

Is there a schematic for it?

regards,

Kim
--
"Art without engineering is dreaming; engineering without art is
calculating." --SKR

[Thomas Sprinkmeier]

On 7 March 2013 09:47, Peter Wintulich <pe...@voicetronix.com.au> wrote:

Hello,

I may have a source for some spare parts up Tee Tree Plaza way, I will check.
I also have a friend who once worked for a juke box company, I will find out if he can help out.

Thanks!

Do you need a make/model?

I didn't think to note those down as I never thought someone might actually be able to get parts.

There's a label from Chicago and a 240V-120C step-down to run the innards (i.e. it's a US 120V model, not surprisingly).

(there's another label about a price hike to 20c/song, dated 1977 :-)

I don't think there's a schematic. I suspect the problem is mechanical rather than electrical(*).

Thomas

(*) to be honest that's probably wishful thinking 'cos a mechanical fault would be S.E.P. :-)

[Thomas]

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Can I get a show of hands who's interested for catering porpoises?

On 07/03/13 09:13, Thomas Sprinkmeier wrote:

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[Robyn Willison]

My hand is up.

[Tamsyn Michael]

I'm dog sitting just south of Marion shops.  Are hangers on okay?  I won't be useful.

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[Thomas Sprinkmeier]

The more the merrier.

By the looks of it we need all the merriment we can get at this stage, only 2 volunteers to look at a jukebox while drinking free beer...

Thomas

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[Andrew Helgeson]

all my experience with jukeboxes is with 12", 45rpm  vinyl ones.

what is the actual fault?

the CD mechanism is similar if you squint in a dark room....

Andrew

[Thomas Sprinkmeier]

[Thomas Sprinkmeier]

The records look more like singles, 66 rpm?

The record head spins but the carriage doesn't seem to move to the correct slot, nor does the load arm grab the record.

I don't know if this is normal (i.e. does the spingle always spin? seems unlikely) or if there's some other fault.

I thought maybe that the same motor did spinning and traversing, and that there was a problem with the gear-change mechanism.

The next step was to start taking things apart, but I wanted a second opinion before doing that (hence the invite).

Thomas

On 12 March 2013 14:59, Andrew Helgeson <cyber...@gmail.com> wrote:

[Andrew Helgeson]

what brand?

i used to "care" for a few Rockolla 'boxes

A

[Thomas Sprinkmeier]

On 12 March 2013 16:32, Andrew Helgeson <cyber...@gmail.com> wrote:

what brand?

I'll ask...

[Andrew Helgeson]

as they get older things wear and get "rattly", I rejuvenated one ages ago by replacing most of the plain bearings.
took nearly a month

Andrew

[Thomas Sprinkmeier]

I would love to have your input on this.
If you can't make it tomorrow can I send you some pics and dumb questions?
They're fairly keen to get this thing restored and willing to throw some dollars at it.

Thomas

[Thomas Sprinkmeier]

---------- Forwarded message ----------
From: kerrie <arbon...@hotmail.com>
Date: 12 March 2013 20:29
Subject: Re: Fwd: [HACK-ADL] Re: Fwd: jukebox restoration
To: Thomas Sprinkmeier <thomas.sp...@gmail.com>

Hi Thomas

The Brand is Seeburg.


6-9pm is fine.  Nick grabbing a case of beer that will be cold and waiting!

See you at 6pm.

Kerrie

On 12/03/2013 4:51 PM, Thomas Sprinkmeier wrote:

Hi Kerrie,

I've been asked what brand/make/model the jukebox is, and if there are any manuals?

Is 6 to 9 OK?

Thomas

[Steve Roehrs]

So what was the outcome of the jukebox investigation?  Those of us living vicariously through this list would like to know! :)

 

cheers,

 

Steve

[Thomas Sprinkmeier]

Hi All,

On 20 March 2013 10:58, Steve Roehrs <steve....@gmail.com> wrote:

So what was the outcome of the jukebox investigation?  Those of us living vicariously through this list would like to know! :)

Robyn and Tamsyn turned up for a very productive evening of nostalgic hacking (the unit used ferrite core memory to store multi-play selections, how cool is that!!)

Using their black-belt google-fu they found manuals, trouble-shooting guides and all manner of useful web-pages (some looking as antique as the jukebox).

We now have enough information to restore this one (and probably build another one from scratch :-)

Not enough time or budget though, so the restoration plan at the moment is to fake it in 3 stages:

1) WiFi-enabled RasPi connected to iPad docking station hidden in the box with a simple and ugly web-interface to upload MP3s and play them

2) Interface circuit to the selection switches so you can select songs the old fashioned way

3) Remove the docking station and add an amplifier to drive the built-in speakers

RasPi's should be arriving today, and I've got the web-jukebox ready so planning on a trial run this weekend.

Thomas

[Ryan Leach]

Are any of the parts visible, like can you see the records load then spin?

--

[Thomas Sprinkmeier]

On 22 March 2013 13:41, Ryan Leach <ryan.th...@gmail.com> wrote:

Are any of the parts visible, like can you see the records load then spin?

The whole mechanism is visible, accessible and well beyond my expertise.

The cradle seems to run off a single motor which it uses to traverse and spin the records as needed.

It seems the solenoid-actuated gearbox is stuck in "spin disk" position so the cradle never moves into the right spot to pick up a record.

Thomas

[Thomas]

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On 20/03/13 11:08, Thomas Sprinkmeier wrote:
> Hi All,
>
>
> On 20 March 2013 10:58, Steve Roehrs <steve....@gmail.com>
> wrote:
>
>> So what was the outcome of the jukebox investigation? Those of
>> us living vicariously through this list would like to know! :)

[...]

> 1) WiFi-enabled RasPi connected to iPad docking station hidden in
> the box with a simple and ugly web-interface to upload MP3s and
> play them

deployed:
https://github.com/sprinkmeier/jukebox.git

> 2) Interface circuit to the selection switches so you can select
> songs the old fashioned way 3) Remove the docking station and add
> an amplifier to drive the built-in speakers
>
> RasPi's should be arriving today, and I've got the web-jukebox
> ready so planning on a trial run this weekend.
>
>
> Thomas

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[Thomas Sprinkmeier]

On 20 March 2013 11:08, Thomas Sprinkmeier <thomas.sp...@gmail.com> wrote:

Hi All,

On 20 March 2013 10:58, Steve Roehrs <steve....@gmail.com> wrote:

So what was the outcome of the jukebox investigation?  Those of us living vicariously through this list would like to know! :)

Update:

So I designed and wired up a fancy interface circuit for the 26 selection switches:

https://github.com/sprinkmeier/jukebox/blob/master/kicad/jukebox.sch
https://github.com/sprinkmeier/jukebox/blob/master/sketchbook/jukebox.ino

... only to discover that each bank of selection switches had a common pole and none of that fancy matrix stuff was going to work.

I toyed with the idea of strobing each bank of switches, messed around a bit, and finally decided to go simple/stoopid/brute-force:

https://github.com/sprinkmeier/jukebox/blob/master/kicad/jukeboxMega.sch
https://github.com/sprinkmeier/jukebox/blob/master/sketchbook/jukeboxMega.ino

The attached video shows selecting a song which the Arduino Mega reports to the laptop which plays it.

The RasPi was unavailable but it runs identical code which has been tested.

There was a frustrating detour; a hostage negotiation with iTunes to get it to release some songs.

The hostages are now freed and, though potentially traumatized, otherwise unhurt.

Thomas

[Damien P]

Can it be dragged in to next year's maker faire?

[Thomas]

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On 09/04/13 17:15, Damien P wrote:
> Can it be dragged in to next year's maker faire?
>

Yes!


I just finished the installation and asked if this would be OK.

It's a monster, gonna need a trailer and a few hefty volunteers to move.

Thomas
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[Tamsyn Michael]

Hey Thomas.  Doing this talk to the public thing on Sunday.  Going to do a picture slide show - do you have any pics of this that I can grab?

On 07/03/13 09:13, Thomas Sprinkmeier wrote:

[Thomas]

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Hi Tamsyn,

I need to go back and get more pics, but I'll email you what I have
off-list (won't spam the whole list with this stuff).

The code and schematics are here:

https://github.com/sprinkmeier/jukebox


Thomas

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