Nice! On May 19, 2011, at 12:00 PM, faithie999 <[email protected]> wrote:
> wanted to post a success story that might help someone now or in the > future. > > someone gave me a 23" cinema display HD (built 8/2007 according to > serial number lookup)--the aluminum version, model A1082. it was dead > (the owner, an older lady, said "the cleaning woman ran the sweeper > over some power cords and everything blew up"). > > after some googling, i found the apple service manual for the display, > which showed how to open the case. i removed the display from the > case, and found the connector on the main board for the power-in from > the power supply brick. It tested 24V which is correct. > > after a considerable amount of googling, i found the following thread > > http://www.ehmac.ca/mac-ipod-help-troubleshooting/75311-cinema-display-troubleshooting-parts-4.html > > which describes a fairly common problem with the voltage regulator on > the main board. (see post 35). > > having nothing to lose, i ordered a replacement voltage regulator (the > person writing the post recommended a beefier voltage regulator, and > included in the post a reference to a supplier including part > number). it arrived yesterday. as the poster said, the replacement > was larger than the original, so i de-soldered the original from the > board and then soldered 3 leads to the solder pads, and soldered the > new voltage regulator to the leads. (the VR has 3 leads; apple cut the > middle lead from the original VR and used the "tab" on the top of the > VR as the middle lead--the middle lead and the tab are electrically > connected inside the VR). i then used electrical tape to insulate > the solder joints, and taped the VR to a spot on the back of the > display where it would fit when put back into the case. > > put the display back into the case, buttoned it up, plugged it in, and > voila--back to life--for $2 plus shipping!! > > ken > > -- > You received this message because you are a member of G-Group, a group for > those using G3, G4, and G5 desktop Macs - with a particular focus on Power > Macs. > The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette > guide is at http://www.lowendmac.com/lists/netiquette.shtml > To post to this group, send email to [email protected] > For more options, visit this group at http://groups.google.com/group/g3-5-list -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list
