Overheating during charge can signal a failing battery or a charger/cable fault
iPod Classic click wheel not working - what should I check first
Symptom remains after basic checks What you may see: The iPod still points back to Replacement Hard Drive (80GB
Inspect click-wheel ribbon seating
Replacement control input part for iPod 2G
iPod 4G Monochrome — Replacement Logic Board iPod 4th Generation Overheating during charge can signalHome iPod 4th Generation (Monochrome) Parts Replacement Logic Board Logic Board 20GB 40GB Replacement logic board for iPod 4G Monochrome. It ties together power, storage, connection, display, audio, and controls, so use it after the easier connected parts, cables, and connectors have been checked. Shop iPod 4G parts and services Start a free diagnostic Fitment snapshot FitsiPod 4G Monochrome Variant matchSee Compatible Variants ReleasedJuly 19, 2004