1090 main board, Lenovo a7600 hardware maintenance manual – Lenovo A10-70 Tablet User Manual

Page 58

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Lenovo A7600 Hardware Maintenance Manual

54

1090 Main board

For access, remove the following FRUs in order:
• “1010 Rear cover and side keys” on page 28
• “1020 Battery pack” on page 33
• “1030 Battery holder” on page 35
• “1040 LCM FPC” on page 37
• “1070 SIM board FPC” on page 49
• “1080 SIM board” on page 52

and

Detach the following FRUs from the main board:
• Rear camera (see Step 1 in “1050 Rear camera” on page 41)
• Antenna and CAP sensor FPC assembly (see Step 1 to 3 and Step 7 in “1060

Antenna and CAP sensor FPC assembly” on page 43)

1.

Peel off the mylar on the TP FPC connector on the main board.

Figure 9-1. Peeling off the mylar on the TP FPC connector

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.

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