Apple has released the service manuals for the 17"/20" iMac G5 to the public:
http://docs.info.apple.com/article.html?artnum=300205
Available manuals at the URL above:
Replacement Part Instructions
17-inch iMac G5
Back Cover and Stand, 17-inch
EN | FR | DE | ES | IT | NL | SV
Battery Backup (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Display/Bezel, 17-inch
EN | FR | DE | ES | IT | NL | SV
Fan Cover, 17-inch
EN | FR | DE | ES | IT | NL | SV
Hard Drive, 17-inch
EN | FR | DE | ES | IT | NL | SV
Inverter, 17-inch
EN | FR | DE | ES | IT | NL | SV
Memory (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Midplane, 17-inch
EN | FR | DE | ES | IT | NL | SV
Optical Drive, 17-inch
EN | FR | DE | ES | IT | NL | SV
Power Supply, 17-inch
EN | FR | DE | ES | IT | NL | SV
20-inch iMac G5
Back Cover and Stand, 20-inch
EN | FR | DE | ES | IT | NL | SV
Battery Backup (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Display/Bezel, 20-inch
EN | FR | DE | ES | IT | NL | SV
Hard Drive, 20-inch
EN | FR | DE | ES | IT | NL | SV
Inverter, 20-inch
EN | FR | DE | ES | IT | NL | SV
Memory (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Midplane, 20-inch
EN | FR | DE | ES | IT | NL | SV
Optical Drive, 20-inch
EN | FR | DE | ES | IT | NL | SV
Power Supply, 20-inch
EN | FR | DE | ES | IT | NL | SV
17-inch iMac G5 with no optical drive (Education configuration)
Back Cover and Stand, 17-inch
EN | FR | DE | ES | IT | NL | SV
Battery Backup (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Display/Bezel, 17-inch, No Optical Slot
EN | FR | DE | ES | IT | NL | SV
Fan Cover, 17-inch
EN | FR | DE | ES | IT | NL | SV
Hard Drive, Parallel ATA
EN | FR | DE | ES | IT | NL | SV
Inverter, 17-inch
EN | FR | DE | ES | IT | NL | SV
Memory (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Midplane, 17-inch, No Optical
EN | FR | DE | ES | IT | NL | SV
Power Supply, 17-inch
EN | FR | DE | ES | IT | NL | SV
http://docs.info.apple.com/article.html?artnum=300205
Available manuals at the URL above:
Replacement Part Instructions
17-inch iMac G5
Back Cover and Stand, 17-inch
EN | FR | DE | ES | IT | NL | SV
Battery Backup (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Display/Bezel, 17-inch
EN | FR | DE | ES | IT | NL | SV
Fan Cover, 17-inch
EN | FR | DE | ES | IT | NL | SV
Hard Drive, 17-inch
EN | FR | DE | ES | IT | NL | SV
Inverter, 17-inch
EN | FR | DE | ES | IT | NL | SV
Memory (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Midplane, 17-inch
EN | FR | DE | ES | IT | NL | SV
Optical Drive, 17-inch
EN | FR | DE | ES | IT | NL | SV
Power Supply, 17-inch
EN | FR | DE | ES | IT | NL | SV
20-inch iMac G5
Back Cover and Stand, 20-inch
EN | FR | DE | ES | IT | NL | SV
Battery Backup (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Display/Bezel, 20-inch
EN | FR | DE | ES | IT | NL | SV
Hard Drive, 20-inch
EN | FR | DE | ES | IT | NL | SV
Inverter, 20-inch
EN | FR | DE | ES | IT | NL | SV
Memory (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Midplane, 20-inch
EN | FR | DE | ES | IT | NL | SV
Optical Drive, 20-inch
EN | FR | DE | ES | IT | NL | SV
Power Supply, 20-inch
EN | FR | DE | ES | IT | NL | SV
17-inch iMac G5 with no optical drive (Education configuration)
Back Cover and Stand, 17-inch
EN | FR | DE | ES | IT | NL | SV
Battery Backup (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Display/Bezel, 17-inch, No Optical Slot
EN | FR | DE | ES | IT | NL | SV
Fan Cover, 17-inch
EN | FR | DE | ES | IT | NL | SV
Hard Drive, Parallel ATA
EN | FR | DE | ES | IT | NL | SV
Inverter, 17-inch
EN | FR | DE | ES | IT | NL | SV
Memory (17" and 20")
EN | FR | DE | ES | IT | NL | SV
Midplane, 17-inch, No Optical
EN | FR | DE | ES | IT | NL | SV
Power Supply, 17-inch
EN | FR | DE | ES | IT | NL | SV