NSM hit 120e - plays a record only 2-3 seconds

First, sorry for my English question but I can't write/talk German (I'm Dutch...).
But you can answer me in German, so I can learn it perhaps (?)

I bought a jukebox (nsm hit 120e), so i'm a 'newbie'. But I hope someone of you can help me with the next problem.

The jukebox accepts credits and makes a selection and the records-selector (I don't know the right word) is going to the right record and start playing.
But after a few seconds (2-3 seconds), the motor is slowing down, the needle is going off the record and the jukebox stop playing.
The records-selector is going back to the 'base-position' and you can make a new selection.
Sometimes, it plays the selected record.

Who can tell me what the problem is (and what the solution probably is)?

Kind regards,

Marc Wel,
The Netherlands

Hello Marc,
on each amplifier, there are three cables to the volume-control box on the backside. Please disconnect both orange ones to make sure the reject button is OK.

Next step: have a look at the motor- relay (MO) on the supply-unit. Does it work when the tone-arm is situated at the beginning of the record?

Please check that point and inform me again.

Best regards, Daniel (www.musikboxtechnik.de)

Danke für die Antwort, Daniel!

I disconnect the both orange cables to the 2 amplifiers, but no result.
I disconnect al the 2x3 cables to the 2 amplifiers: no result.
I also disconnect ALL the cables to/from the 2 amplifiers: no result.
So, the solution can not be found in the amplifiers and the volume-buttons or reject-button (because they are totally off).

You mean the MO is that wheel on that 'thing' that drives from right to left (and back)?
This MO is turning around at the beginning of the record.

I hope you (or other nice people) have more possible solutions?

Viele Grüße,

Marc

Hello Marc,

please unscrew the lid of the supply- unit. On that board you can find three relay, marked with "LR" , "FA" and "MO" (I mean that MO).

Take off the lid of MO (if that is still existing) very carefully and observe the function as I wrote you before.

Best regards, Daniel

Thanks for answering!

I unscrewed the lid of the supply-unit and found the MO (and I took the lid of this MO).

I observed the function, but it is not working totally (again a steps forward, I think...).

I see the six contacts, and its state is that the right 4 contacts (2*2) are against each other.
When I manual press the releais, then is nothing changed (something is pushing to the right, but they are already in this state...).

I hope you can see more of the defect? I can publish (if you wish) some photo's on a site.

Again: thanks for the help until now!
I appreciate it a lot that you will help me!

Hi Marc,

please disconnect the grey cable to the carriage at the supply- unit and swich on the box.

Now the coil of MO should not hold.
MO has to switch so long as you press on the reject button.

Don't try to press on the relay manually and don't clean or justate the contacts!

Is that function given?

Daniel

I disconnect the grey cable and the coil was not hold, but the 4 right contacts keep together (in stead of the 4 on te left...).

I saw that the plastic thing in the relay was not 100% ok, so I corrected this.
So, now it's okee.

But: I can't testing it, because the fuse is broken now (stupid me...).
It is the fuse called on the board T1,0A/ SLO-BLO 1A. But the fuse itself was a T3,15A/250V.
Can someone explain me what's the difference?

Even so: I should no pressing the relay manualy or clean them.

So, I will let you know if everyting is oke now (or not).

Hi Marc,
the defect seems not be in the relay itself; please don't make any changes on it; only observe the correct operating.

Which "plastic thing" you mean? Can you send me some photos?

Only change the fuses against correctly values; Si 1: 1A T (Si= Sicherung= fuse; T= träge= slow blow); Si 2: 3,15A T.

Daniel (email: kontakt@musikboxtechnik.de)

Hi Daniel,

I replaced the fuse with one of 1A T and the jukebox is on again.

The 'plastic thing' is that small thing in the MO that shift from left to right to connect the contacts.
But it's doing well now.

I observed the function of the MO:
When the Jukebox is on, it holds the 4 right-contacts together.
When the needle is on the records, it's changed to the 4 left-contacts.
After 2-3 seconds the MO is changing agian back to the 4 right contacts.
Meanwhile the needle is going off the record.

So, it seems like that this MO is doing well (what you told me).

Do you have more tips/possible solutions?

Again: thanx again (Vielen Dank).

Does somebody have any idea what the problem could be?

My NSM hit 120E is still not working ;-(

Hello Marc,

sorry, I just see now, I've forgotten to answer your last question.

If the motor relay (MO) works correctly (like your description it does), the last possibility is a defect in the carriage.
Do you have the possibility to send me the carriage (easy to take out) for testing and repairing by post?

To describe all possible defects, it will be easier for both on this way. You can contact me by mail:
kontakt@musikboxtechnik.de

PS: I can not answer before next monday.

Daniel

Hi Daniel,

Thank you for answering, but I could not send you the carriage.
Because I'm very interested in the Jukebox-technics, I want to learn how the box is working.
And what is the better method to do this by a defect?

But you'd help me the right way. I toke out the carriage.

The first I saw was the next: on this carriag at the BS-contact, my wiring diagram says that this contact is :
- Blau + Blau-Grau
- Rot-Swart
- Blau-Swart + Orange-Grau

But my carriage has the next combinations:
- Blau + Blau-Grau
- Blau-Swart
- Rot-Swart + Orange-Grau
(there is an attachement about this)

Who can explain this???

After reconnecting everything, the FA-relay is always 'on' and the motor SPM is turning round.
How can I stop this motor (and FA-relay)???

Thanx,

Marc