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

Figure 72. Remove the fingerprint board lens light guide
Go to
https://support.lenovo.com/partslookup
part:
Lens light guide

Remove the speakers

Make sure the following FRU (CRU) has been removed.
"Remove the lower case" on page 62
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 73. 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 62
"Remove the battery pack" on page 63
"Remove the 2280 solid-state drive (SSD)" on page 64
nd
"Remove the 2 solid-state drive (SSD)" on page 65
"Remove the Wi-Fi card" on page 66
"Remove the heat sink" on page 42
to look up the Lenovo part number of the following replacement
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
75