The closest I come to an HP Pavilion dv6550us, on HP Support, or on the internet is;
Pavilion dv6550tx
Next inline is Pavilion dv6560us,
then Pavilion dv6450us
Not available to the public.
Do have a Block Diagram,
Models that use an AMD processor,
http://www.laptops-schematics.com/wp-content/uploads/2011/07/HP-Pavilion-DV9000-AMD-Notebook-Laptop-Quanta-AT8-Schematic.jpg1) Socket S1 processor socket,
http://en.wikipedia.org/wiki/Socket_S12) Motherboard chipset is an Nvidia MCP51M
Which is the mobile version of Nvidia GeForce Go 6100, or Go 6150;
and Nvidia nForce 430,
http://en.wikipedia.org/wiki/Comparison_of_Nvidia_graphics_processing_units#GeForce_Go_6_.28Go_6xxx.29_SeriesGraphics chipset,
http://www.ebay.com/itm/NEW-Original-nVIDIA-Geforce-NF-G6150-N-A2-BGA-ic-chip-north-bridge-Chipset-/271010886762?pt=LH_DefaultDomain_0&hash=item3f1981f46aConexant CX20549-12 audio chipset
Realtek RTL8101C Ethernet chipset
Models that use an Intel processor,
http://www.laptops-schematics.com/wp-content/uploads/2011/07/HP-Pavilion-DV6700-Intel-Notebook-Laptop-Quanta-AT3-Schematic.jpgUses the Socket P processor socket,
http://en.wikipedia.org/wiki/Socket_PBoth use the Fairchild Semiconductor Industries - FDS6679 - Power MOSFET, and Alpha & Omega Semiconductor LTD - AO4407 - Power MOSFET, in the DC - DC circuit; as far as I know.
Both are Obsolete, but there are cross match examples out there.
(FDS6679AZ for FDS6679, for one)
Indicates HP Pavilion dv9000 series, and AMD; but also matches up to the Pavilion dv6500 series,
http://www.scribd.com/doc/89356925/HP-DV9000Scroll down. (Zoom In icon { + } at TOP to increase view size,
Zoom Out icon { - } to decrease view size )
Asking for a Schematic, do I assume you are attempting
Board Level Component replacement?
What SMD/SMT IC component are you trying to replace?
(Surface Mount Device/Surface Mount Technology. Integrated Circuit)
Motherboard chipset info, and processor socket info, for processor upgrade.
Same thing for Ram Memory upgrade.
It does use DDR2 Sdram (SO-DIMM), and at 667MegaHertz, to my knowledge.
What usually goes bad on the HP Pavilion dv2000 series, Pavilion dv6000 series, and Pavilion dv9000 series of Notebook PC's?
The cooling for the graphics chipset is inadequate, therefore the graphics chipset overheats, and partially melts the Solder Joints in the BGA surface mount.
Resulting in no graphics.
Power MOSFET's in DC - DC circuit go bad.
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