Third Party > Repairing and Upgrading Rockbox Capable Players

jb recorder 20 won't power off

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ajrock:
I have been unable to switch off my JB recorder 20Gb for two weeks now. I've tried everything I can think of -- changing batteries, leaving it on charge, leaving it unplugged in case the power connector switch has been stuck "on"...

Even if I remove the batteries and plug it in so that the Archos firmware comes up with the "battery charging" screen, I cannot get it to switch off.

It all started when the batteries ran down completely one day. I believe that the "Off" button is working because rockbox says "Battery Charging" when I hold it down and the power is plugged in.

Any ideas before I commit to surgery?

LinusN:
What happens when you hold the OFF button without the charger attached?

Nothing?
Does it turn off but immediately start again?
Does it say "battery charging"?

ajrock:
Nothing happens when I hold the "Off" button down and the charger is not plugged in. The only way to force a reboot is to remove the batteries.

If I leave it unplugged and the auto-power off setting is enabled, it will lock up after the power-off time. The screen stays frozen just the way it was, but nothing will respond until I unplug and remove the batteries.

LinusN:
Wow. It sounds like the power control circuitry is broken somehow. How about the ON button? Does it work normally?

ajrock:
Yes, the ON button seems to function normally.

It sounds like I'll have to commit to exploratory surgery and see if I can find out anything. I asked this question in the Archos Tech Support website, but I've had no response.

Thanks.

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