I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue? Regards Rick
Rick.... Others may know better than me. But.... Has the pulse amp been rebuilt? I think there's a cap or resistor that is troublesome. Or possibly an issue in the pricing unit. I had a U100 that had a contact issue in the credit unit. Once fixed...made every selection. -rm Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ From: Jukebox Repairman via Jukebox-list <jukebox-list@lists.netlojix.com> Sent: Tuesday, June 27, 2023 6:09:31 PM To: Jukebox mailing list <jukebox-list@lists.netlojix.com> Cc: Jukebox Repairman <jukin510@gmail.com> Subject: [Jukebox-list] Seeburg DS Selection Issue I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue? Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
Its been fifty years since I worked on one of those but there's high ohm value resistors that tend to open up causing this kind of problem. So, yes, the pulse amp needs rebuilding. On Tuesday, June 27, 2023 at 06:54:34 PM CDT, Rich Myers via Jukebox-list <jukebox-list@lists.netlojix.com> wrote: Rick.... Others may know better than me. But.... Has the pulse amp been rebuilt? I think there's a cap or resistor that is troublesome. Or possibly an issue in the pricing unit. I had a U100 that had a contact issue in the credit unit. Once fixed...made every selection. -rm Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ From: Jukebox Repairman via Jukebox-list <jukebox-list@lists.netlojix.com> Sent: Tuesday, June 27, 2023 6:09:31 PM To: Jukebox mailing list <jukebox-list@lists.netlojix.com> Cc: Jukebox Repairman <jukin510@gmail.com> Subject: [Jukebox-list] Seeburg DS Selection Issue I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue? Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/ _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
Because the OA2 isn’t lighting I’m leaning towards a voltage issue. It didn’t pickup loading the tormat with a D cell On Tue, Jun 27, 2023 at 10:21 PM Stephen D Tompkins via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Its been fifty years since I worked on one of those but there's high ohm value resistors that tend to open up causing this kind of problem. So, yes, the pulse amp needs rebuilding. On Tuesday, June 27, 2023 at 06:54:34 PM CDT, Rich Myers via Jukebox-list <jukebox-list@lists.netlojix.com> wrote:
Rick....
Others may know better than me. But.... Has the pulse amp been rebuilt? I think there's a cap or resistor that is troublesome. Or possibly an issue in the pricing unit. I had a U100 that had a contact issue in the credit unit. Once fixed...made every selection.
-rm
Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ From: Jukebox Repairman via Jukebox-list <jukebox-list@lists.netlojix.com> Sent: Tuesday, June 27, 2023 6:09:31 PM To: Jukebox mailing list <jukebox-list@lists.netlojix.com> Cc: Jukebox Repairman <jukin510@gmail.com> Subject: [Jukebox-list] Seeburg DS Selection Issue
I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue?
Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/ _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
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Do you have the manual with schematics? I would first look around the 0A2 that doesn't light for a bad resistor. If no manual/schematics, get some. They may seem expensive, but the time you will save will pay for them. Tony Miklos On 6/27/2023 7:09 PM, Jukebox Repairman via Jukebox-list wrote:
I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue?
Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
If these are original gas 0A2—not the Zener-in-a-tube, they must both be lit purple. If only one is lit but there is normal voltage from the 6X4, you will have excessive write-in voltage. This causes all of a number and all of a letter to be written. If neither are lit look for defective 6X4 or open resistor between the two filters. Here are the Write and Read ckts: https://www.flickr.com/photos/90641375@N06/36140664003/ https://www.flickr.com/photos/90641375@N06/36809447281/ Trip: https://www.flickr.com/photos/90641375@N06/36809435811/ ALL the electronics MUST be rebuilt or you will soon have a much bigger set of problems. RobNYC On Tuesday, June 27, 2023 at 06:10:01 PM GMT-5, Jukebox Repairman via Jukebox-list <jukebox-list@lists.netlojix.com> wrote: I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue? Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
Sent from my iPad
On Jun 28, 2023, at 6:24 AM, Chan Gade via Jukebox-list <jukebox-list@lists.netlojix.com> wrote:
If these are original gas 0A2—not the Zener-in-a-tube, they must both be lit purple.
If only one is lit but there is normal voltage from the 6X4, you will have excessive write-in voltage. This causes all of a number and all of a letter to be written.
If neither are lit look for defective 6X4 or open resistor between the two filters.
Here are the Write and Read ckts:
https://www.flickr.com/photos/90641375@N06/36140664003/
https://www.flickr.com/photos/90641375@N06/36809447281/
Trip: https://www.flickr.com/photos/90641375@N06/36809435811/
ALL the electronics MUST be rebuilt or you will soon have a much bigger set of problems.
RobNYC
On Tuesday, June 27, 2023 at 06:10:01 PM GMT-5, Jukebox Repairman via Jukebox-list <jukebox-list@lists.netlojix.com> wrote:
I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue?
Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/ _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
Did you happen to swap the two 0A2's to see if the problem followed the tube, or if the other tube now glows purple? On 6/27/2023 7:09 PM, Jukebox Repairman via Jukebox-list wrote:
I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue?
Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
Tony I did and also tried a new fresh tube. Rob thanks for schematics Regards Rick On Wed, Jun 28, 2023 at 8:02 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Did you happen to swap the two 0A2's to see if the problem followed the tube, or if the other tube now glows purple?
On 6/27/2023 7:09 PM, Jukebox Repairman via Jukebox-list wrote:
I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue?
Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
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And what happened? On 6/28/2023 8:14 AM, Jukebox Repairman via Jukebox-list wrote:
Tony I did and also tried a new fresh tube.
Rob thanks for schematics
Regards Rick
On Wed, Jun 28, 2023 at 8:02 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Did you happen to swap the two 0A2's to see if the problem followed the tube, or if the other tube now glows purple?
On 6/27/2023 7:09 PM, Jukebox Repairman via Jukebox-list wrote:
I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue?
Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
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No change On Wed, Jun 28, 2023 at 8:30 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
And what happened?
On 6/28/2023 8:14 AM, Jukebox Repairman via Jukebox-list wrote:
Tony I did and also tried a new fresh tube.
Rob thanks for schematics
Regards Rick
On Wed, Jun 28, 2023 at 8:02 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Did you happen to swap the two 0A2's to see if the problem followed the tube, or if the other tube now glows purple?
On 6/27/2023 7:09 PM, Jukebox Repairman via Jukebox-list wrote:
I’m troubleshooting a DS that scans twice no pickup after making a selection. One of the OA2’s does not light. I replaced with known good OA2 still no light. Am I looking at a transformer issue?
Regards Rick _______________________________________________ Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
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And I’ll answer the same as before. No Change. I’ve since found the 56K 2 Watt resistor defective On Wed, Jun 28, 2023 at 1:00 PM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Lets try again:
On Wed, Jun 28, 2023 at 8:02 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Did you happen to swap the two 0A2's to seeif the problem followed the tube, or if the other tube now glows purple?
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As I understand this, one tube is lighting and one is not. And it seems to me that "no change" could be taken to mean either the same tube stayed unlit, or the same position stayed unlit. I think that's the reason for trying again, for clearer communication! --> Steve On Wed, Jun 28, 2023 at 01:42:54PM -0400, Jukebox Repairman via Jukebox-list wrote:
And I’ll answer the same as before. No Change. I’ve since found the 56K 2 Watt resistor defective
On Wed, Jun 28, 2023 at 1:00 PM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Lets try again:
On Wed, Jun 28, 2023 at 8:02 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Did you happen to swap the two 0A2's to seeif the problem followed the tube, or if the other tube now glows purple?
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-- Steve Wahl steve@pro-ns.net
I swapped both AO2’s The unlit one worked in the other socket. The working tube did not light in the suspect socket. Apologies if was unclear On Wed, Jun 28, 2023 at 2:40 PM Steve Wahl via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
As I understand this, one tube is lighting and one is not. And it seems to me that "no change" could be taken to mean either the same tube stayed unlit, or the same position stayed unlit. I think that's the reason for trying again, for clearer communication!
--> Steve
On Wed, Jun 28, 2023 at 01:42:54PM -0400, Jukebox Repairman via Jukebox-list wrote:
And I’ll answer the same as before. No Change. I’ve since found the 56K 2 Watt resistor defective
On Wed, Jun 28, 2023 at 1:00 PM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Lets try again:
On Wed, Jun 28, 2023 at 8:02 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Did you happen to swap the two 0A2's to seeif the problem followed the tube, or if the other tube now glows purple?
Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
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-- Steve Wahl steve@pro-ns.net
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Sounds like you don't have the over 300VDC power that is needed. The OA2s each light up when they regulate at 150VDC, if only one OA2 lights up, then the B+ is less than 300VDC so you have to solve that. Start with the B+ filter caps and the 6X4 tube. John :-#)# On 2023/06/28 12:01 p.m., Jukebox Repairman via Jukebox-list wrote:
I swapped both AO2’s The unlit one worked in the other socket. The working tube did not light in the suspect socket. Apologies if was unclear
On Wed, Jun 28, 2023 at 2:40 PM Steve Wahl via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
As I understand this, one tube is lighting and one is not. And it seems to me that "no change" could be taken to mean either the same tube stayed unlit, or the same position stayed unlit. I think that's the reason for trying again, for clearer communication!
--> Steve
On Wed, Jun 28, 2023 at 01:42:54PM -0400, Jukebox Repairman via Jukebox-list wrote:
And I’ll answer the same as before. No Change. I’ve since found the 56K 2 Watt resistor defective
On Wed, Jun 28, 2023 at 1:00 PM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Lets try again:
On Wed, Jun 28, 2023 at 8:02 AM Tony Miklos via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Did you happen to swap the two 0A2's to seeif the problem followed the tube, or if the other tube now glows purple?
Jukebox-list mailing list -- jukebox-list@lists.netlojix.com To unsubscribe send an email to jukebox-list-leave@lists.netlojix.com %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s Searchable Archives: http://jukebox.markmail.org/
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participants (8)
-
Chan Gade -
Herbert Fricke -
John Robertson -
Jukebox Repairman -
Rich Myers -
Stephen D Tompkins -
Steve Wahl -
Tony Miklos