Oh poo... It's a 20" model.
Curious... I replaced the original 160GB HD with a 500 GB, could this have affected the power supply? Amanda On Jun 10, 2011, at 4:37 PM, Jim Scott wrote: > > On Jun 10, 2011, at 4:00 PM, Amanda Ward wrote: > >> A lot of time on my hands has prompted me to look into why my iMac G5 (first >> gen) quit working. >> >> Posting the symptoms here got the opinion the power supply took a header. It >> was supposed to have had the PS replaced before I bought it, but hey! >> I don't mind putting another PS in the unit, but I have questions... >> >> I see a few power supplies on eBay, but I'm unclear on which ones will >> work... Interchangeability between models? Specific part numbers? > > Amanda, > > You don't say whether your iMac G5 (first gen) is a 17" or a 20" model. Each > model had a specific power supply with a specific part number because of the > requirements to power a specific-size LCD. Note: I've tried using a 17-inch > power supply in a 20-inch and vice-versa; it doesn't work. > > Note: Power supplies can be interchanged between the first-gen iMac G5 and > the second-gen iMac G5 ALS (ambient light sensor) models of the same screen > size. If putting a second-gen ALS power supply into a 1st-gen iMac you will > have to remove the ALS sensor and cable. However, the power supplies for the > third-gen iMac G5 are completely different and cannot be used with earlier G5 > iMacs such as the one you have. > > According to Apple service manuals here are the part numbers: > > 20-inch iMac G5: > > -- 1st gen: 661-3289 > -- 2nd gen (ALS): 661-3625 > > 17-inch iMac G5: > > -- 1st gen: 661-3290 > -- 2nd gen (ALS): 661-3627 > > That said, there are other part numbers out there. The crucial thing is that > the power supply be the correct one for your screen's size. > > Good luck. iMac G5 models are filled with all sorts of wicked problems, from > bad capacitors on logic boards *and* in power supplies, to thermal sensor > issues, to GPU cold solder joints, to optical discs that launch onto the desk > (Surprise!). Fortunately, Apple has long since worked out all those issues. I > consider all white iMac G5s to be booby-trapped beta test beds. :^) > > Jim Scott > Eureka, CA > > -- > You received this message because you are a member of the iMac Group, a group > for those using Apple iMacs and eMacs. > The list FAQ is at http://lowendmac.com/imac/list.shtml and our netiquette > guide is at http://www.lowendmac.com/lists/netiquette.shtml > To post to this group, send email to imaclist@googlegroups.com > To leave this group, send email to imaclist+unsubscr...@googlegroups.com > For more options, visit this group at http://groups.google.com/group/imaclist -- You received this message because you are a member of the iMac Group, a group for those using Apple iMacs and eMacs. The list FAQ is at http://lowendmac.com/imac/list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to imaclist@googlegroups.com To leave this group, send email to imaclist+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/imaclist
