HP DV4 TouchPad button board includes cable, TouchPad bracket, Speaker assembly, Wlan module

Illustrated parts catalog

Item	Description	Spare part number
	Black computer models	539729-001
	White computer models	539728-001
	Plaid computer models	594532-001

4Top cover (includes TouchPad board and cable)

	Black computer models equipped with a Fingerprint Reader	591953-001
	Black computer models not equipped with a Fingerprint Reader	591952-001
	White computer models equipped with a Fingerprint Reader	591951-001
	White computer models not equipped with a Fingerprint Reader	591950-001
	Plaid computer models equipped with a Fingerprint Reader	591955-001
	Plaid computer models not equipped with a Fingerprint Reader	591954-001
	TouchPad button board (includes cable)	486832-001
	TouchPad bracket	494961-001
5	Fingerprint Reader board (includes cable)	486828-001
6	Heat sink assembly (includes replacement thermal material)
	UMA graphics subsystems	591957-001
	Discrete graphics subsystems	591956-001
7	Speaker assembly
	All countries and regions except India	486837-001
	India	486865-D61
8	System board (includes replacement thermal material)
	UMA graphics subsystems	590350-001
	Discrete graphics subsystems	590349-001
	Plastics Kit (see “Plastics Kit” on page 3-10for spare part component information)	486833-001
9a	ExpressCard slot bezel
9b	Hard Drive compartment cover
9c	Memory Module compartment cover
9d	Mini Card compartment cover
10	Modem module (select models only)
	All countries and regions except for Australia and New Zealand	461749-001
	Australia and New Zealand	461749-011
	Modem module cable (includes RJ-11 connector)	494981-001
11	Fan (includes replacement thermal material)	486844-001
12	WLAN module
	Broadcom BCM4312 802.11b/g for use in Canada, the Cayman Islands, Guam, Puerto	504593-003
	Rico, the United States, and the U.S. Virgin Islands

(Continued)

3–4 Maintenance and Service Guide