HP EliteBook 840r G4 Maintenance And Service Manual page 29

Item Component
(1) Display assembly, touch screen.
NOTE: Touch displays are spared only as whole hinge-ups.
NOTE: Non-touch display assemblies are spared at the subcomponent level only. For
more non-touch display assembly spare part information, see
subcomponents on page 21
(2) Keyboard (see Keyboard on page
No backlight
Backlit
(3) Top cover
(4) Power button board
(5) Smart card reader board (includes cable)
(6) NFC module (antenna spared with TouchPad)
(7) Fingerprint reader assembly (includes cable)
(8) TouchPad
Without NFC antenna
Includes NFC antenna
(9) Speakers (includes cable)
(10) System board (includes processor and replacement thermal material, see
NOTE: All system board spare part kits include replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
Intel Core i7-8650U processor
Intel Core i7-8550U processor
Intel Core i5-8350U processor
Intel Core i5-8250U processor
Intel Core i5-7300U processor
Intel Core i5-7200U processor
(11) USB/VGA board
(12) Heat sink/fan assembly
(13) RTC battery
(14) Internal base plate
(15) Memory module
4-GB (2400-MHz, DDR4)
8-GB (2400-MHz, DDR4)
Display assembly
43)
Spare part number
L22363-001
836307-xx1
L26480-xx1
836308-xx1
L17985-001
L17978-001
L17977-001
L17976-001
849912-001
821171-001
821172-001
821170-001
System board on page 61)
L21623-xx1
L21622-xx1
L21621-xx1
L21620-xx1
L21619-xx1
L21618-xx1
L17979-001
L17983-001
914384-001
821164-001
862397-850
862398-850
Computer major components 19