Remove The Speakers; Remove The System Board - Lenovo ThinkBook 14 G4 IAP Hardware Maintenance Manual

Lens light guide

Remove the speakers

Make sure the following FRU (CRU) has been removed.
"Remove the lower case" on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the speaker cable from the system board and release the speaker cable from the cable
guide. Then, remove the speakers.
Figure 34. Remove the speakers
Go to
https://support.lenovo.com/partslookup
part:
Speakers

Remove the system board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 34
"Remove the battery pack" on page 35
"Remove the 2280 solid-state drive (SSD)" on page 36
nd
"Remove the 2 solid-state drive (SSD)" on page 38
"Remove the Wi-Fi card" on page 39
"Remove the heat sink" on page 40
"Remove the fan" on page 41
"Remove the memory module" on page 43
"Remove the I/O bracket (left)" on page 44
Step 1. Disconnect cables connected to the system board.
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
51