Lenovo ThinkPad T40 Hardware Maintenance Manual page 117

In step 3 , release the speaker cables from the cable
guide.
When installing: Make sure that the connector 4 is
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
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2
3
firmly attached. Then route the cable as
in 3 .
Removing and replacing a FRU
4
111