Lenovo L420 Laptop User Manual


 
Table 29. Location of major sensitive components on the system board in ThinkPad L420, L421, and L520 models
(continued)
For ThinkPad L420 and L421 models with a discrete thermal module (bottom side view):
b c
d
For ThinkPad L520 models with a discrete thermal module (top side view):
a
For ThinkPad L520 models with a discrete thermal module (bottom side view):
b
d
c
96 Hardware Maintenance Manual