Maintenance and Service Guide

Item Component Spare part number
(18) Battery (3-cell, 50-Wh, 4.52-Ah, Li-ion) 722298-001
(19) Air flow channel 728052-001
(20) Fan (includes cable and mylar shroud) 728050-001
(21) Heat sink (includes replacement thermal material): 728051-001
(22) System board (includes replacement thermal material):
System board equipped with an Intel Core i5-4200U 1.60-GHz processor (turbo up to
2.60-GHz; dual core, ULV, 15 W), a graphics subsystem with UMA memory, and the
Windows 8 Standard operating system
737670-501
System board equipped with an Intel Core i5-4200U 1.60-GHz processor (turbo up to
2.60-GHz; dual core, ULV, 15 W), a graphics subsystem with UMA memory, and the
Windows 7/Linux operating system
737670-001
System board equipped with an Intel Core i3-4010U 1.70-GHz processor (dual core,
ULV, 15 W), a graphics subsystem with UMA memory, and the Windows 8 Standard
operating system
728077-501
System board equipped with an Intel Core i3-4010U 1.70-GHz processor (dual core,
ULV, 15 W), a graphics subsystem with UMA memory, and the Windows 7/Linux
operating system
728077-001
(23) Display stand 728056-001
(24) Middle frame (includes display assembly pads, display stand release assembly, and
X-axis capacitor board riser)
728055-001
753182-001
(25) Power button board (includes ribbon cable) 728063-001
(26) Webcam/microphone module (includes double-sided adhesive and
grounding tape)
728078-001
(27) Antenna Kit (includes left and right wireless antenna cables and transceivers) 728044-001
(28) Display panel cable 728047-001
(29) Power connector cable 728049-001
(30) Display assembly (20.0-inch, AG, HD; includes capacitor board cables, rotation
sensor module and cable, and Windows button board and cable)
728070-001
753183-001
Cable Kit
12 Chapter 3 Illustrated parts catalog