Lenovo ThinkPad R51e Series Hardware Maintenance Manual page 122

Removing and replacing a FRU
For wireless models, release the antenna cables from the
cable guide 4 . For the other models, skip this step.
4
a
When installing: Make sure that the antenna cables and
(continued)
116
R50e, R51e and R52 Series
4
4
4
the two ferrite cores a and b (with
sponge) are correctly routed and
securely in place.
4
4
4
b
4
4