Hi Folks. It's a small world. I've a Kanga G3 Powerbook I'm trying to repair for my dad. It was given to him after a history of trouble switching on, no battery life etc. It will not switch on from battery. It will not switch on from the power-adapter.
The sleep indicator is constantly lit. The reset button makes the sleep light go out, the speaker gives a muted click, but no chimes, no startup noise, no information displayed on the screen. Option cmd power makes no difference. No leds light on caps lock depress. The hard disk does not spin up. The ac power supply has a healthy spark (because its shielded its difficult to measure if its delivering the 24volts dc rated on the label) but I'm going to run up a test socket and see if I can get a reading with my multi-meter The battery is now charging - it was dead flat but now measures just under 5 volts. I've been able to remove the keyboard and see the backup battery is leaking white corrosion. I'm going to see if I can find out if it will retain a charge, but given its age it is probably flat. SO my question is - where is the next point to look? Is the PMU hopelessly confused?. Does it have its own battery source (also discharged ?) Is there a history of bad solder joints where the AC adapter plugs in? Ideas welcome. Regards from James Downunder (Canberra, the real capital city of Australia) -----Original Message----- From: G-Books [mailto:[EMAIL PROTECTED] On Behalf Of Hoju Dingo Sent: Tuesday, June 01, 2004 1:12 PM To: G-Books Subject: Pismo Sleep/Booting Problems Hi Folks Sorry for the length of this Email but I am trying to give some background ... BACKGROUND: My Pismo has been giving relatively troublefree service for about 3.5 years: * Battery is probably near dead with only 15 minutes of life and the onboard backup battery (?) possibly is (near) dead too as I often lose time/date settings if the main battery is discharged (presumably). * The LG DVD player had to be serviced/replaced twice recently as disks no longer mounted. It has had a memory and disk upgrade almost a couple of years ago (to run OS X) so it is now a Powerbook G3/400Mhz 512MB/40GB. * It has had OS X systems running on it since OS 10.1.5 through to 10.2.8 and now it is running 10.3.4. I upgraded from 10.2.8 to 10.3.4 in the last few weeks. PROBLEMS (In the last four days): The Pismo refuses to wake up properly after sleep. It possibly may also fail to reboot sometimes (but I dare not check this right now as I need to complete some projects on it). If I close the lid, it usually goes to sleep but does not awake on reopening. Or possibly it only partly awakes as I think I can hear the drive start up but the screen doesn't wake. In this latter case power is making it to the keyboard as the caps lock/num lock light up. On attempted reboot (via ctrl-cmd-power), on several attempts, I get a chime and then nothing on the screen (and sometimes a distorted noise just after the chime). Often, I get no chime but the drive appears to start up (not sure if this means the Pismo was still on or not and it is failing to wake the screen. Rebooting with a software restore disk (OS 9) the DVD player fails to start up ... and I have to manually eject it ... Reattempting reboot, I sometimes get a chime and then the screen comes up. Usually this success only occurs after leaving the Powerbook alone and unplugged for about 10 hours. (Maybe it is trying to tell me to give the poor thing a rest! 8-) ) I'm wishing for a backup Powerbook (or even iMac) since I am backing up on an external firewire drive religiously but depleted finances (in between paying contracts) prevent me from pursuing a purchase; hopefully I can borrow something if need be to access my project files, as my other Macs (classic II, Peforma 520 do not support USB or firewire). Luckily I am putting some stuff onto 100MB ZIPs (but it is really cramped and slow). Anyways, I feel this sort of behaviour may have been discussed before and I am wondering if there are some reasonable solutions. Luckily I had purchased an extension to my AppleCare so I can send it in for service (but I can't do without it right now!) and see if the Apple Techs can both find and solve the problem. Is the age of the main/backup batteries an issue? Or is it likely to be some power board issue? Or a loose RAM board? ... though the fact that it reboots and runs OK after 10 hours means the latter is unlikely. Does 10.3.x have any sleep/boot issues? Thanks for any ideas, Harry. (DownUnder in Canberra, 1st day of winter and snowfields getting some powder!) -- G-Books is sponsored by <http://lowendmac.com/> and... 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