Hello everyone, I have a lot of demo acton iii speakers. When I plug in the speaker, it lights up automatically and can only use aux. I want to use it normally. Is there any way? Thank you.
marshall acton iii
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by xxcxxHi,
My column Marshal Acton 2 , is dead . Power suplyy is it ok ... 18 V , but not light and not power on.
In board off buttons dont have 3,3 V - see picture .
I need some help, and i try to find schematic !
Do tou can help-me ?
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Channel: Troubleshooting Audio Equipment
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Channel: Troubleshooting Audio Equipment
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Channel: Troubleshooting Audio Equipment
03-24-2025, 08:37 AM -
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by _max_Hisense H60N5705 installed in a conference room, turns off automatically a few minutes after being switched on.
Problem occurred suddenly, during a video conference. Switched on again by the remote control, it continued to work for a while and then switched off again.
Power cable and HDMI cable checked.
No changes by connecting the TV to another source but, even if it is left on the OSD menu, it stays on for a few minutes and then switches off.
So they took the TV (a 60' which is not easy to handle) to the lab and asked me to check it.
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by jingleslacksHey Friends!
I have both a live and demo unit. Demo unit firmware disables Bluetooth, power toggle, and other settings. Resets via button combos will not work on these. Reaching out to Marshall is not an option either.
I copied my live CMOS chip and flashed it to the demo unit, but that didn't fix it (MX25U3235F) This has worked for other devices in the past. I'm not a chip expert, but I'm assuming the firmware is stored in another chip.
If anyone has any experience or ideas, let's hear them!
Stanmore II
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Channel: Troubleshooting Audio Equipment
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