Lenovo ThinkPad S1 Yoga Hardware Maintenance Manual page 77

• "1090 P sensor" on page 70
Attention: The following component soldered on the top side of the system board is extremely sensitive.
When you service the system board, avoid any kind of rough handling.
a Microprocessor
a
Removal steps of the system board
1. Detach the connectors.
2
1
4
15
16
3
6
5
14
12
11
13
9
10
71
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Chapter 9 Removing or replacing a FRU