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Post by ldj1002 on Jun 14, 2019 18:16:41 GMT
I have a wall box for my AMI D40. I make a selection ( lets say #4 for example ) and it plays a record but not the one I selected. I make several selections and it plays at random but not my selection. I can go to #4 again and again it doesn't play #4 and it doesn't play the same one it played before when I selected #4. Any one have any Ideas? Leo
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Post by Ron Rich on Jun 14, 2019 23:42:25 GMT
Hi Leo,
If my great, but not too long memory serves me---
I think that the wallbox on that model was still direct wired ? If so, you either have a small short in the wallbox keyboard or wiring--especially if the keyboard on the jukebox works correctly -- Do you have a manual for both the wallbox and phono ? Did you just acquire this equipment, or have you had it for sometime, and it's been operating OK for awhile ? Ron Rich
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Post by ldj1002 on Jun 15, 2019 0:47:15 GMT
I have manual for both, wallbox is connected to stepper with 3 wires. There is no keyboard Photo attached. I have gone over everything to best of my ability, all cleaned and lubed. I bought the jukebox about a year ago and the wallbox and stepper from 2 different people several months latter. I put it all together and nothing worked from the wall box. I changed a resister in stepper and it started working except for not playing the right record. The correct selection always plays when selected from the juke box. Attachments:
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Post by Ron Rich on Jun 15, 2019 2:40:05 GMT
Hi Leo,
My memory failed here-- I did not recall the stepper in this model--
OK-- just really guessing now--Dis-connect the "signal" wire from the wall box. Connect a battery powered, "continuity tester lamp", between the signal output and ground-- Make the SAME selection several times in a row while watching the lamp. Is the series of pulses the same each time ? If so, your problem is probably in the stepper--if not, probably in the wallbox. Have you checked contacts for "pits/Burs" (see our
FAQ's section for contact "cleaning" help, if needed). Ron Rich
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Post by ldj1002 on Jun 16, 2019 23:06:26 GMT
Hi Leo, My memory failed here-- I did not recall the stepper in this model-- OK-- just really guessing now--Dis-connect the "signal" wire from the wall box. Connect a battery powered, "continuity tester lamp", between the signal output and ground-- Make the SAME selection several times in a row while watching the lamp. Is the series of pulses the same each time ? If so, your problem is probably in the stepper--if not, probably in the wallbox. Have you checked contacts for "pits/Burs" (see our FAQ's section for contact "cleaning" help, if needed). Ron Rich Ron, I got manual out and looked it over. None of the 3 wires are called or labeled signal wire. It also says"unlike other three wire systems, no pulses are sent." I was hoping someone had this setup and maybe had my same problem they had solved and could tell me how they did it. So far no luck. Leo
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Post by Ron Rich on Jun 16, 2019 23:20:53 GMT
Leo,
I have n idea if "no pulses are sent " ?? Hopefully someone may know ---
Ron Rich
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Post by ldj1002 on Jun 17, 2019 0:04:26 GMT
Ron. I was tole a Alan Hood who user name aim-man knew about thes old 40 select boxes. I can
t seem to find his mane. Do you know of him?
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Post by jukeboxmarty on Jun 17, 2019 2:27:53 GMT
Although this wall box utilizes three wires, there are no pulses sent. Instead the selection is determined by the length of time the circuit is held closed.
Stepping relays in both the wall box and receiver are used as a method of timing.
The stepper relay in the wall box and the stepper relay in the receiver should start simultaneously, and operate the same number of times for each desired selection.
Other than this tidbit of information, and since I have no direct hands on experience with this system....
You're on your own!
(Unless the AMI expert steps up!)
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Post by jukeboxmarty on Jun 17, 2019 2:33:03 GMT
Ron. I was tole a Alan Hood who user name aim-man knew about thes old 40 select boxes. I can t seem to find his mane. Do you know of him? AMI Man's profile is here: (corrected by Ron Rich) amiman66But he hasn't logged in since February.  -- (  check the corrected info above ) |
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Post by Ron Rich on Jun 17, 2019 12:53:19 GMT
Leo,, Marty,
Yes, I know Alan--he had a problem with his log-in here, and changed his user name to "amiman66". He will check in soon, no doubt as his last post was made near the end of May, this year. Ron Rich
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Post by amiman66 on Jun 20, 2019 10:09:39 GMT
Hello Leo,
I am sorry I do not have have any information on this wallbox, it is somewhat before my time.
Regards
Alan
Alan Hood
ami-man
UK
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Post by robbytherobot on Sept 29, 2019 23:21:09 GMT
You're lucky to have a stepper, I'm looking for one for my AMI B.
From what I read in the manual, is to respect the wire gauge ?
No pulse can be seen, but maybe you should be able to count how long it stays light. And check if it's the same length of time.
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Post by ldj1002 on May 21, 2020 4:00:26 GMT
Robby
I just got back to trying to get my wallbox playing correct selections. I do have manual but don't fully understand it. In manual it gives a lot of adjustments have to be set by grams. I don't have any way to measure that pressure. I have had both wallbox and stepper apart and cleaned up. I know it says not to lube contacts but am thinking about spray with wd40. That doesn't leave a dust collecting residue and it may cause contacts to slide across them easier since it looks like time of steppers it important key to it's works. |
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Post by Ron Rich on May 21, 2020 13:34:49 GMT
In my opinion--"WD-40" has no business anywhere NEAR, any jukebox, or a wallbox ! See our FAQ's posts, on contacts ! Ron Rich
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Post by robbytherobot on May 21, 2020 23:34:41 GMT
Have you changed the 100uf 50V condenser in stepper ?
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-- (
check the corrected info above ) 