IBM ThinkPad R40 2681 - 1170 Speaker assembly and microphone cable

If the ThinkPad computer you are servicing has the touch
pad, detach the connector a before removing the screws.
a
When installing: If the ThinkPad computer you are
servicing has the touch pad, make sure
that the connector a is firmly attached.
(continued)
Removing and replacing a FRU
104 ThinkPad R40