4 Replacement Procedures 4.1 General
4-2
[CONFIDENTIAL]
Detroit 20 /Detroit 20E Series Maintenance Manual
The example below shows FRUs to be removed before the Speakers can be removed and
repaired or replaced. The Speakers are overlapped by the top cover that must be removed
before it can be reached. The removable keyboard and display assembly in turn overlap the
top cover. Always starts the disassembly process by removing the battery pack.
Battery pack
Keyboard Wireless LAN
HDD and/or
Modem
ODD and Expansion
Memory Module
Bluetooth Display Assembly
Top Cover Display Mask
System Board LCD Module
Fan & Thermal
Module
CPU
Speakers
TouchPad
FL Inverter Board
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