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> Battery or recharge circuit problem - C860
Aussie
post Jul 24 2004, 05:42 AM
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Posts: 9
Joined: 24-July 04
From: Melbourne, Australia
Member No.: 4,087



My Sharp Zaurus C860 arrived during the week, and pdaXrom was installed as per: http://www.pdaxrom.org/index.php?showid=2&menuid=1

When I rebooted, the Linux operating system was eye candy at its best, and after a bit of a hack around, the system was shutdown by the command "halt".

A few hours later, I press the ON button and ... nothing but a black screen :-((

After reading all web sites and forums, all that I can do is get into a service menu by holding down keys D+M whilst plugging in the AC/DC charger.

Running through all the hardware checks on this service menu, everything seems to work OK except the battery status is LOW. Multimeter confirms that the battery is now 2.4V, and well below its normal fully charged voltage of 3.7V. However, placing the Zaurus/battery on the charger for several hours just doesn't recharge the battery !

Is the battery or the recharging circuit in the Zaurus faulty, or is there something else that I should be doing ?

Help appreciated.

-- Aussie
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Posts in this topic
Aussie   Battery or recharge circuit problem - C860   Jul 24 2004, 05:42 AM
lardman   I'm not sure the system should be halted. Wha...   Jul 24 2004, 02:17 PM
Aussie   QUOTEWhat happens if you remove the battery for a ...   Jul 24 2004, 03:01 PM
Miami_Bob   Try pulling the battery for an extended period of ...   Jul 24 2004, 03:15 PM
Aussie   QUOTEYou might want to try booting with D+M, go to...   Jul 24 2004, 03:44 PM
Miami_Bob   QUOTE(Aussie @ Jul 24 2004, 07:44 PM)What is ...   Jul 24 2004, 04:03 PM
Aussie   Thanks Miami Bob. Those links were helpful, but t...   Jul 24 2004, 05:39 PM
Aussie   Success !!! .... one Z C860 unbricked ...   Jul 25 2004, 03:05 AM
Omicron   Now added to HOW-To Section: URL: http://www.za...   Jul 25 2004, 04:14 AM
cgrieves   Interesting post, unfortunately I think there is s...   Jul 26 2004, 01:17 AM
lardman   QUOTE1) THE BATTERY & CHARGER CIRCUITRY: The Z...   Jul 26 2004, 01:39 AM
Aussie   QUOTEI'm pretty sure you can run the C machine...   Jul 26 2004, 02:52 AM
cgrieves   Aussie, can you post what battery check values you...   Jul 26 2004, 02:57 AM
Aussie   Will do, but it will be in a few days (next weeken...   Jul 26 2004, 03:24 AM
Miami_Bob   QUOTE(lardman @ Jul 26 2004, 05:39 AM)Hmm, I...   Jul 26 2004, 06:13 PM
Miami_Bob   Aussie - << the AC/DC charger can then rec...   Jul 26 2004, 07:49 PM
gromituk   QUOTE(Aussie @ Jul 26 2004, 03:24 AM)...the m...   Jul 27 2004, 09:55 AM
ThC   I think it's one of the worst days of my life ...   Jul 27 2004, 02:40 PM
ThC   Just followed the HOWTO... et voila.. seem to work...   Jul 28 2004, 05:36 PM
cgrieves   I'd love to be proved wrong, but I reckon ther...   Jul 29 2004, 01:07 AM
Miami_Bob   Have not seen this info mentioned on ZUG. Its impo...   Aug 2 2004, 09:26 AM
cgrieves   I just checked my unit with a multimeter. The Shar...   Aug 2 2004, 12:34 PM
Miami_Bob   QUOTE(cgrieves @ Aug 2 2004, 04:34 PM)I just ...   Aug 2 2004, 02:27 PM
Miami_Bob   cgrieves - The Panasonic charging flow chart star...   Aug 2 2004, 02:57 PM
cgrieves   That cycle does kind of make sense. I just used a ...   Aug 3 2004, 12:52 AM
Miami_Bob   QUOTE(cgrieves @ Aug 3 2004, 04:52 AM)That cy...   Aug 3 2004, 04:00 AM
seva   Any updates on the possibly fried charging circuit...   Mar 24 2005, 10:13 AM
edi800   QUOTE(seva @ Mar 24 2005, 07:13 PM)Any update...   Mar 25 2005, 01:49 AM
stuffman   Well, my 860 is not charging, but for a different ...   Mar 27 2005, 08:40 AM
cgrieves   Sorry to bring an old thread back from the dead, b...   May 19 2005, 08:48 AM
ThC   Well, mine have been repaired in japan by the stor...   May 19 2005, 02:57 PM
cgrieves   QUOTE(ThC @ May 19 2005, 10:57 PM)Well, mine ...   Jun 22 2005, 04:28 AM


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