Lenovo Yoga 2-851 (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 38

Sub board, Important notices for handling PCB

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Lenovo 851 Hardware Maintenance Manual 1030 Sub board Important notices for handling PCB: When handling PCB, bear the following in mind: • Be careful not to drop the PCB onto a bench top that has a hard surface, such as surface made of metal, wood, or composite materials. • Avoid rough handling of any kind. • Make sure not to drop or stack the PCB in the whole process. • Make sure to put the PCB only on surface covered with such materials as an ESD mat or conductive corrugated plate. For access, remove the following FRU: • "1010 Rear cover" on page 28 and Detach the following FPCs and wire connections: • Battery FPC (see Step 1 on page 31 in "1020 Right speaker") • Right speaker FPC (see Step 3 on page 32 in "1020 Right speaker") 1. Unlock the connector of the hall sensor FPC on the sub board using a guitar pick. Figure 3-1. Unlocking the connector of the hall sensor FPC 34

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Lenovo 851 Hardware Maintenance Manual
34
1030 Sub board
For access, remove the following FRU:
•
“1010 Rear cover” on page 28
and
Detach the following FPCs and wire connections:
•
Battery FPC (see Step 1 on page 31 in “1020 Right speaker”)
•
Right speaker FPC (see Step 3 on page 32 in “1020 Right speaker”)
1.
Unlock the connector of the hall sensor FPC on the sub board using a guitar
pick.
Figure 3-1. Unlocking the connector of the hall sensor FPC
Important notices for handling PCB:
When handling PCB, bear the following in mind:
•
Be careful not to drop the PCB onto a bench top that has a hard surface,
such as surface made of metal, wood, or composite materials.
•
Avoid rough handling of any kind.
•
Make sure not to drop or stack the PCB in the whole process.
•
Make sure to put the PCB only on surface covered with such materials as
an ESD mat or conductive corrugated plate.