A customer brought me his 3W1 and selection receiver stating that making
selections via the wallbox were intermittent at best.
On the receiver the original cap had been removed from circuit and replaced
with two 10uf 450vdc lytic caps wired in parallel.
I have not had a lot of interaction with wallbox installation but my
question is regarding the replacement cap(s)
Shouldn’t that be a 5.0 uf 370vac type?
Thanks
Rick
Hi All,
I’m finishing up a Mills Dance Master, I have it all mechanically working and I’m now ready to work on the amp (an MCP 1644 amp). I have a schematic for it from the manual but it is not very useful because the caps and resistors are only marked with the mills ‘mcp’ catalog number and not with the actual values. The corresponding parts list has the same issue with just listing the Mills catalog numbers and not actual values. I checked with Bill Bickers at Jukebox friday night but he does not have a schematic with values or a rebuilt kit either. If anyone has a schematic or a listing of the caps and the resistors and choke for this amp please let me know. Thank you for your help.
Hans
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
Hi Jamie,
I'm not as technically proficient as you are with your video attachment but I think that I can help you. I have an article from Harold Hagen aka Dr. Know-it-all titled "1949 AMI C doesn't return record to magazine". I'd be happy to email that to you if you reach out to me at my email address.
In my rather lame AMI Model A service manual, there's a "cycle of operation" chapter that would be really helpful to you. You'll then have a roadmap of the order of operation in the system so that you can electrically check each part.
For you non-AMI folks, it'll most likely be the reversing control relay in the junction box. [8^)
Good luck!
Bill Schaefer
---------- Forwarded message ---------
From: Jamie McElroy <jamie.mcelroy1(a)gmail.com>
Date: Tue, Apr 11, 2023 at 10:33 AM
Subject: I'm here and still need help please.
To: Jukebox mailing list <jukebox-list(a)lists.netlojix.com>
Hello all,
I am still struggling with my AMI D-40. I still cannot get the record to return to the record rack. I am a novice in most cases however I am wondering if it could be the mechanism junction box? I'll try to attach a video if that helps. Please I'll take any help. As always thank you all for your help and replies.
Jamie
AMI D-40 Reverse Switch.MOV
<https://drive.google.com/file/d/11crtTutrebgoC9LYip3CbQhxX4NoEr9Q/view?usp=…>
------------------------------
Jamie,
I'll start by channeling our mentors and advise you to get a copy of the Service Manual. In the meantime, I quote from the description of basic operation for what is supposed to happen:
"After the record has been played, the pickup arm moves into the cut-off grooves. At this point an arm on the pickup arm pivot bearing (60) actuates the reversing switch (51). The reversing control relay (70) in the mechanism junction box (46) will then become energized, reversing the transfer motor."
I would start by first checking to see if the mechanism will return the record if you push the record cancel pushbutton. If so, your problem is probably the reversing switch itself. if not, I would look at the reversing control relay to see if its contacts are closing to send power to the transfer motor.
- Dave Schwallie
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Subject: [Jukebox-list] Fwd: I'm here and still need help please.
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---------- Forwarded message ---------
From: Jamie McElroy <jamie.mcelroy1(a)gmail.com>
Date: Tue, Apr 11, 2023 at 10:33 AM
Subject: I'm here and still need help please.
To: Jukebox mailing list <jukebox-list(a)lists.netlojix.com>
Hello all,
I am still struggling with my AMI D-40. I still cannot get the record to
return to the record rack. I am a novice in most cases however I am
wondering if it could be the mechanism junction box? I'll try to attach a
video if that helps. Please I'll take any help. As always thank you all for
your help and replies.
Jamie
AMI D-40 Reverse Switch.MOV
<https://drive.google.com/file/d/11crtTutrebgoC9LYip3CbQhxX4NoEr9Q/view?usp=…>
------------------------------
Subject: Digest Footer
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********************************************
---------- Forwarded message ---------
From: Jamie McElroy <jamie.mcelroy1(a)gmail.com>
Date: Tue, Apr 11, 2023 at 10:33 AM
Subject: I'm here and still need help please.
To: Jukebox mailing list <jukebox-list(a)lists.netlojix.com>
Hello all,
I am still struggling with my AMI D-40. I still cannot get the record to
return to the record rack. I am a novice in most cases however I am
wondering if it could be the mechanism junction box? I'll try to attach a
video if that helps. Please I'll take any help. As always thank you all for
your help and replies.
Jamie
AMI D-40 Reverse Switch.MOV
<https://drive.google.com/file/d/11crtTutrebgoC9LYip3CbQhxX4NoEr9Q/view?usp=…>
