Lenovo 6457 - ThinkPad T61 - Core 2 Duo 2.5 GHz Hardware Maintenance Manual page 93

Table 26. Removal steps of speaker assembly (continued)
For Vodafone wireless WAN models: When replacing the speakers, reuse the
ferrite core a that has been attached to the old FRU.
a
When installing: Make sure that the speaker connector is attached firmly, and
the cables are routed as in this figure.
87
ThinkPad T61 and T61p (15.4-inch widescreen)