Lenovo N20 Chromebook Hardware Maintenance Manual - Lenovo N20 Chromebook - Page 43

Remove the battery pack, Removetheuppercaseon

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d Figure 18. Remove the dc-in connector Table 9. Screw specifications - removing the dc-in connector Screw label 2 Specifications M2 × 3 mm, flat-head, nylon-coated Color Silvery Torque 1.7 - 2.0 kgf * cm Refer to Table 3 "Part numbers for FRUs (CRUs)" on page 24 to look up the Lenovo part numbers of the following replacement parts: dc-in bracket dc-in connector Remove the battery pack "Remove the keyboard" on page 29 "Remove the upper case" on page 31 Step 1. Open the two sockets 1 and then remove the cable 2 that connects the I/O board to the system board. a b Figure 19. Remove the I/O board cable Step 2. If the plug of the battery pack has not been disconnected, disconnect it 3 . Chapter 4. Removing a FRU or CRU 37

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Figure18. Remove the dc-in connector
Table 9. Screw specifications — removing the dc-in connector
Screw
label
Specifications
Color
Torque
2
M2×3mm,flat-head,nylon-coated
Silvery
1.7—2.0kgf*cm
RefertoTable3“PartnumbersforFRUs(CRUs)”onpage24tolookuptheLenovopartnumbersofthe
followingreplacementparts:
dc-in bracket
dc-in connector
Remove the battery pack
“Removethekeyboard”onpage29
“Removetheuppercase”onpage31
Step 1. Open the two sockets
1
andthenremovethecable
2
thatconnectstheI/Oboardtothesystem
board.
Figure 19. Remove the I/O board cable
Step2.Iftheplugofthebatterypackhasnotbeendisconnected,disconnectit
3
.
Chapter 4
.
Removing a FRU or CRU
37