Nov 20 2006
Job No. 26
iPod repair log.
Model:
nano 2GB white
Initial Condition:
tape residue on back
nano wont turn on
no activity
Action:
Reset nano
– no activity
Connected to Mac
– nano boots to 
then resets itself
– repeats this about 10 times very quickly then boots to “do not disconnect”
– iTunes gives warning that a corrupt iPod has been detected and suggests ‘restoring’ the iPod.
Charged nano for 1/2 hour
Restored iPod from iTunes
– iTunes reports that “The iPod “iPod” could not be restored. An unknown error occurred (1418)”
Used Disk Utility to partition the nano as ‘Free Space’ (see HD repair for details)
– partition failed with “Input/output error”
Used Terminal to interrogate nano
– ‘disktool’ reports nano as
***Disk Appeared (‘disk1’,Mountpoint = ”, fsType = ”, volName = ”)
– ‘pdisk’ crashes with “Floating point exception”
Opened nano
Removed screen and click-wheel assembly
Plugged main board into Mac (the nano will function without the screen or click-wheel)
– iTunes gives warning that a corrupt iPod has been detected and suggests ‘restoring’ the iPod.
Restored iPod from iTunes
– as before iTunes reports an error
Checked the pins on the flash chip for faulty connections
– all pins seem secure
Removed black tape from iPod dock connector and checked pins for faulty connections
– all pins seem secure
Reattached nano to the Mac and used Terminal to interrogate nano
– ‘disktool’ reports nano as
***Disk Appeared (‘disk2’,Mountpoint = ”, fsType = ”, volName = ”)
– ‘pdisk’ reports “No valid block 1 on ‘/dev/rdisk2’ ”
This is a change in behaviour, not sure why (I’ve prodded this iPod with a multi-meter quite a bit while trying to trouble-shoot job number 28, maybe I reset a component or dislodged a bridged circuit?).
Erased iPod using Disk Utility (partitioned as “Free Space”)
– procedure completed normally
‘Restored’ iPod using iTunes
– restore completed normally
Unplugged iPod and reconnected to Mac
– iPod recognised by iTunes
Copied songs to iPod
– songs copied normally
Replaced insulating tape on dock connector and reassembled iPod
– iPod functions normally
Connected iPod to a PC and ‘Restored’ iPod using iTunes
– restore completed normally
Report:
Disassembled iPod, checked for broken connection, erased iPod using Disk Utility, ‘Restored’ iPod using iTunes, reassembled iPod.
iPod now appears to be fully functional.
Notes:
Not really sure why this one started working.
Component Summary:
Memory
Battery (working condition unknown)
Logic Board
Screen
Click-wheel
Repairs complete, pick-up time to be advised.