1100 Pen charger cable
For access, remove these FRUs in order:
• "1010 ThinkPad Pen Pro" on page 64
• "1020 Nano-SIM card tray (for selected models)" on page 65
• "1030 Base cover assembly" on page 65
• Disconnect the battery cable. See "1040 Battery" on page 66.
• "1090 Speaker assembly" on page 71
Removal steps of the pen charger cable
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X390 Yoga Hardware Maintenance Manual