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My AMI 120 jukebox motor was running slowly, then stopped completely... Also the gripper arm stopped as soon as it cleared the record rack with the 45 standing straight up above the spinning turntable

Turntable mechanism is well lubricated & slides easily along rails & the turntable is the only thing that is spinning... everything else is dead. Any ideas?

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Posted on Jan 02, 2017

CykoMF
  • 3 Answers

SOURCE: rowe ami jukebox

Check the optical sensor, it may be blocked with dust.

Posted on Sep 16, 2008

  • 211 Answers

SOURCE: i have a 1965 rock-ola starlet jukebox and it will

It won't reject because it needs to have the gripper arm complete the motion before the microswitches on the cam are in the right position.
It has either seized up or blown a fuse or both.

Posted on Feb 21, 2010

  • 195 Answers

SOURCE: 45 (record) Jukebox. While playing the jukebox

Hello,

Have you checked all the fuses or circuit breakers on the jukebox?
Are all the power supply led's lit?
Make sure that all the connection plugs into the boards are fully seated and making good connections.

After checking the above if the fault remains you will need to contact a Wurlitzer service engineer.

Regards
Alan Hood
ami-man
UK

Posted on May 26, 2011

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Having issue with my 1952 AMI e-120 jukebox. The cam switch for gripper assembly needs to be replaced as arm won't return when record completes playing. Can it be replaced without soldering it?


I am not completely sure of the type of switch you have. If it's what I think then the wires are soldered to terminals which are screwed to the switch. That would be a switch about 3/4" wide and about 2 " long.
The other type has solder lugs only. for that you need a soldering iron or gun. Be careful not to apply too much heat as that can destroy the new switch.
Good Luck

Mar 17, 2014 | Audio Players & Recorders

1 Answer

I have a Rockola model 429 jukebox, the carosel will not turn


1) Check all of the fuses in the power supply chassis.: 3x 3A, 1x 1A, 1x 1.6A ..(the power cord from the wall goes right to this chassis)

2) If all fuses are good, make sure that the Gripper has completed its cycle. The magazine wont run until the gripper arm is back in place and completely open.

3) There are several switches that ride on a cam at the rear of the of the mechanism.( end of shaft that moves the gripper) These switches tell it where the gripper is (in it's cycle) If they fail to report a completed cycle, it will not scan the magazine.Tapping lightly will sometimes get them working enough to let you know that you have found the problem.

4) It is possible that something is mechanically stuck, use the nub on the back of the (record carriage and gripper) motors, to see it they are free.

5) If it is still dead, you may have a power supply problem. The voltage at the motor(s) plug(s) can be checked with a volt meter, BUT this is not super reliable, because the voltage could have a lot of ripple or could drop to nothing when a load is applied. The capacitor and selenium rectifier under the power supply chassis should be changed for reliability reasons anyway.

5a) A regular 2 or 4 amp bridge rectifier (Radio Shack) will work in place of the selenium rectifier.
When installing it, just connect the 2 transformer leads to the (~AC) leads of the bridge.
The original rectifier should have a red mark or paint on it, near one of it's leads...THAT IS THE PLUS (+) hook that lead to the (+) on the new bridge. (EVEN IF IT LOOKS LOOKS IT GOES TO THE CHASSIS OR GROUND)
The remaining wire connects to the only remaining lead on the new bridge.

5b) The capacitor can be a little higher in voltage and micro farads, just be sure to observe the polarity. (+ & -)

5c) Make sure that you clean and inspect the small relay. This must open and close the contacts correctly.
.
6) It is possible that you have a bad motor, even it it turns freely. There are 2 brushes on these motors, and if one gets too short, the motor will not run no matter what. There may be a dead spot in the armature which would cause it to stop in mid cycle. I have seen gripper motors stop prematurely, right near the end of the cycle. If you help it a little with the nub on the back of the motor, it would then scan to the next record. Sometime this will happen due to a cam switch problem, so check this before you condemn the motor.

7) There is a metal box on the underside of the record mechanism It is near the front, behind the play counter wheel. There are relays in there that often need to be cleaned. They will keep some motors from running, but this is usually when selecting or reading out, but might be worth a look, as I do not have the schematic for this machine in front of me.

With in 100 miles of Lancaster PA? give me a call if you would like me to do a reasonably priced service call. (717)333-6933

Let the music play,
Ed

Dec 16, 2013 | Collectibles Jukeboxes Book Rockola...

1 Answer

Hi all, I have a Rowe AMI MM4 jukebox with the Rowe AMI 1100 mech. This was completly seized when i bought it, all seems to be working fine now except when returning the a side of a record, the toggle...


Hi Tim,
Do you have the manual? If you do check the adjustments on the gripper bow and the gearing adjustments whilst in transfer.
If you have greased the cam or trunion gears then remove any trace of lubrication from the gripper bow assembly other than putting some high melting point grease in the trunion casting pivot points.
Also check on the gripper bow (transfer arm & hub assembly) this plastic moulding that goes through the trunion has two flanges on it that guide the toggle pins to help turn the gripper bow staight before it goes back into the basket.
I hope this helps.

Regards
Alan
Alan Hood
ami-man
UK

Mar 26, 2013 | Audio Players & Recorders

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Dave - I have the same problem, how do you replace the trip switch? I got the part, but it appears it needs to be soldered?

Aug 27, 2012 | Audio Players & Recorders

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45 (record) Jukebox. While playing the jukebox was changing records, the arm lifted the record slightly off the turntable. the credits and song selection would not clear off the readout, even after...


Hello,

Have you checked all the fuses or circuit breakers on the jukebox?
Are all the power supply led's lit?
Make sure that all the connection plugs into the boards are fully seated and making good connections.

After checking the above if the fault remains you will need to contact a Wurlitzer service engineer.

Regards
Alan Hood
ami-man
UK

May 23, 2011 | Wurlitzer Jukebox 1015 One More Time...

1 Answer

I HAVE A 1951 AMI D-80 JUKEBOX,THE TURNTABLE IS JAMMED.


There are two motors with beige/tan plastic covers over them, one on turn table platter and the other on the record changer mechanism table. Take the cover off the one on the turntable and spin the motor by hand. Depending on how you spin it the arm will either go back up or down

Jan 03, 2010 | Audio Players & Recorders

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At the far side of the white nylon gears at the base of the gripper arm is a small white 'duck bill' bracket, which clicks a microswitch when the gripper is over the carousel. When it breaks or comes loose it fails to click the microswitch and the arm doesnt stop.

Dave F.

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When the carousel reaches the correct count, the computer sends a signal to the gripper motor to start it. You could have a bad motor or a bad computer. But!....if the little switch at the front of the machine is in the off position (Gripper motor On/Off) that will give exactly the same effect. It's easy to knock Off when you are loading CDs.

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Check the optical sensor, it may be blocked with dust.

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The microswitch at the base of the gripper arm is what enables the scan motor when the gripper is over the carousel. You will probably find that the small lever on the base of the tone arm is not clicking the microswitch properly.

Dave .

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