Lenovo 20RK, Руководство по техническому обслуживанию аппаратной части

Страница: 55 / 75

1030 Access door
Before you replace the access door, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 42.
2. Remove the Nano-SIM-card tray. See “Removing the Nano-SIM-card tray” on page 42.
3. Remove the following FRUs:
• “1010 Folio cover set” on page 43
Removal steps of the access door
Step Screw (quantity) Color Torque
1
M2 × L3.5 mm, flat-head, nylon-coated (2)
Black 0.181 Nm
(1.85 kgf-cm)
1040 Support bracket
Before you replace the support bracket, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 42.
2. Remove the Nano-SIM-card tray. See “Removing the Nano-SIM-card tray” on page 42.
3. Remove the following FRUs:
• “1010 Folio cover set” on page 43
• “1020 Smart glass and adhesive tapes” on page 47
Chapter 7
.
Removing or replacing a FRU
49