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Hello everyone,
I recently aquired a marshall Kilburn speaker on a retail website which said it was properly working.
The issue is that it isn't, I asked the guy who sold it to me and he said he used it mainly on sector because the battery wasn't working (15-20 minutes autonomy instead of multiple hours).
The issue is that the battery works fine (I charged it separately using a generator and it works fine) but the main power circuit seems to completely offline for some reason.
When I plug in the speaker it doesn't charge by itself the battery, but works perfectly with the battery charged, I opened it up and the entry fuse and thermistance were respectively showing 13 Ohm (the model is a NTC 10D-9) and 0.2 Ohm (not blown).
Therefore I believe the issue might be lying in the power supply circuit but it could be anywhere else.
I have spent multiple hours trying to figure it out, asking AIs also but I can't seem to find anything useful so I would appreciate it very much if any of you guys helps a bit in this case.
Thank you in advance
I recently aquired a marshall Kilburn speaker on a retail website which said it was properly working.
The issue is that it isn't, I asked the guy who sold it to me and he said he used it mainly on sector because the battery wasn't working (15-20 minutes autonomy instead of multiple hours).
The issue is that the battery works fine (I charged it separately using a generator and it works fine) but the main power circuit seems to completely offline for some reason.
When I plug in the speaker it doesn't charge by itself the battery, but works perfectly with the battery charged, I opened it up and the entry fuse and thermistance were respectively showing 13 Ohm (the model is a NTC 10D-9) and 0.2 Ohm (not blown).
Therefore I believe the issue might be lying in the power supply circuit but it could be anywhere else.
I have spent multiple hours trying to figure it out, asking AIs also but I can't seem to find anything useful so I would appreciate it very much if any of you guys helps a bit in this case.
Thank you in advance
