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Seeburg 1952 m100c
by Jamie McElroy 02 Jan '24

02 Jan '24

Hello all, A strange question. I have an in-law that just purchased a restored Seeburg 1952 m100c. However the lights behind the the selection tags has already burned out and he can't get a response from the man he purchased it from. He says he can't figure how to get n ito to replace the fluorescent bulb. I only work with AMI so I don't know. Can someone tell me how to open the machine up to replace the bulb. Thanks. Jamie

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Seeburg G Hum
by Tony Miklos 19 Dec '23

19 Dec '23

Working on a 100G. Both of the mute switches are working well. The problem is that when the record starts to play, if it take a little while to get into the song, I hear a hum in the speaker, when the song starts, the hum gets mostly hidden by the music. The same thing happens at the end of the song before it cancels and closes the mute switch. Oh, in the beginning of the record the hums comes on slowly do to the squelch circuit. Pulling the RCA plug out of the amp yields no hum, the hum is coming from either the mech or the mech wire. I've tried shorting the two different (one at a time) mute switches and the hum goes away. Also shorted the tone are wires and again, it has no hum. Also checked continuity throughout the mute circuits and all seems fine. Thanks, Tony

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AMI E120 - Selector - I'm struggling
by Jamie McElroy 13 Dec '23

13 Dec '23

Hello, I have an AMI E120 jukebox. My junction box is putting out approximately 38 volts. I have credits on my credit unit, the credit unit light comes on. However, none of my selection buttons work. I cannot figure out what the problem is. Does anyone have any idea or help they can offer. I'm struggling for a couple weeks with this. Thank you for your help. Jamie

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Wurlitzer Lyric Flexible Drive
by Peter Johnson 13 Dec '23

13 Dec '23

Hope someone can help with this question. I have recently rebuilt a Wurlitzer Lyric for a friend who dismantled it 30 years ago? The flexible drive from the number selection unit is giving me problems, it tends to twist as it drives and stops/stalls turning the toothed selection wheel. I have soaked the outer sheath of the drive with a penetrating oil but doesn't make any difference. My next step is to remove it from the keyboard and see if I can examine it more closely to see what the problem is. Any help or advice would be greatly appreciated. Thankyou. Peter Johnson.

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Another APFEA1 Question
by Jukebox Repairman 13 Dec '23

13 Dec '23

Machine has credit Make selection but the Add solenoid on play control does not fully engage to start the mech scanning. It does start manually via the service switch. I visually observed the solenoid while a helper made a selection and I could see the solenoid plunger move slightly but not enough to activate motor control switch It acts like it’s only receiving a short pulse from the button selector. Thoughts?? Regards Rick

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Wurlitzer Lyric Flexible Drive
by Peter Johnson 13 Dec '23

13 Dec '23

Hope someone can help with this question. I have recently rebuilt a Wurlitzer Lyric for a friend who dismantled it 30 years ago? The flexible drive from the number selection unit is giving me problems, it tends to twist as it drives and stops/stalls turning the toothed selection wheel. I have soaked the outer sheath of the drive with a penetrating oil but doesn't make any difference. My next step is to remove it from the keyboard and see if I can examine it more closely to see what the problem is. Any help or advice would be greatly appreciated. Thankyou. Peter Johnson.

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Scope for Wurlitzer Amplifiers?
by Shankar Singh 13 Dec '23

13 Dec '23

Hello, Is this a suitable scope to troubleshoot Wurlitzer amplifiers? Would a signal injector be required as well? https://www.amazon.com/Oscilloscope-Persistence-Measurement-Bandwidth-Gener… I have only done a few basic repairs and servicing, so am still a novice. If it can be helpful, would appreciate early response; there is time constraint to ask a friend to assist with the purchase. Many thanks 🙏 SHANKAR SINGH

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MRA4-L6 Schematic
by Tony Miklos 12 Dec '23

12 Dec '23

I've looked and looked for a schematic for an MRA4. What model did they come in? I think someone told me that they came in hideaway units. I did somehow find a parts list for an MRA4, and it's very close to an MRA5, I'd just like to have the proper schematic. I don't mind buying a manual, but I don't know which one. The particular one I'm working on evidently fried the power supply choke and to make up for it, they made C1 out of 3 caps to get close to 300uF. Tony

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WurliTzer 2900 Top Tunes Installation.
by Shankar Singh 30 Nov '23

30 Nov '23

Hello there! Hope you are all doing well. I believe I now have all the components for the Top Tunes feature installation - Control Unit, Golden Bar & switch assy and the Latch Pin Actuator Arc Assy. I would re-cap and test the other components in the Control Unit. Would appreciate some advice for the following: Tips for servicing the arc assy. Can something be turned by hand to test the unit?Or should I plug up and test the arc unit before installing it onto the selector pin-bank unit? Tips for installing the components. Any instructions available that can be shared? The T.T Control Unit has a 12-pin socket, which appears to be for the Golden Bar Switch. It also has a 4-pin socket that looks like one for the Slug Rejector plug. Is the Slug Rejector now plugged in here and a jumper required for the Slug Rejector socket at the Coin Mech/Playrack? Many thanks! SHANKAR SINGH

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AMI E120 Gripper Arm Return
by Jamie McElroy 29 Nov '23

29 Nov '23

Hell all, can anyone help me with this problem please. When a even selection of a record is made the gripper arm returns the record to the proper slot it was selected from. However, when an odd selection is made and played, the gripper returns the record into the next slot on the record rack. This does not happen every time but 85% of the time it will when an odd selection is made. Any thoughts on this please. I'm going a bit crazy with it. Thank you for your help. Jamie

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