HP 6730b Service Manual

6.Remove the heat sink clips (2) by sliding them to left, and then lifting them up.
7.Lift the right side of the heat sink (1) until it releases from the system board components.
NOTE:Due to the adhesive quality of the thermal material located between the heat sink and
system board components, it may be necessary to move the heat sink from side to side to detach
it.
Component replacement procedures 71 

8.Remove the heat sink (2) by sliding it to the right.
NOTE:The thermal material must be thoroughly cleaned from the surfaces of the heat sink and
the system board components each time the heat sink is removed. Thermal paste is used on the
processor (1) and the section of the heat sink (1) that services it. Thermal pads are used on the
Northbridge chip (2) and the section of the heat sink (2) that services it. Replacement thermal
material is included with all heat sink, system board, and processor spare...

Processor
NOTE:All processor spare part kits include replacement thermal material.
DescriptionSpare part number
AMD processors for use only with HP Compaq 6735b computer models: 
●AMD Turion 64 ZM-86 2.40-GHz processor488198-001
●AMD Turion 64 ZM-82 2.20-GHz processor488196-001
●AMD Turion 64 ZM-80 2.10-GHz processor488195-001
●AMD Turion 64 RM-70 2.00-GHz processor488199-001
●AMD Sempron SI-40 2.00-GHz processor488197-001
●AMD Athlon QL-60 1.90-GHz processor488200-001
Intel processors for use only with...

2.Lift the processor (2) straight up and remove it.
NOTE:When you install the processor, the gold triangle (3) on the processor must be aligned
with the triangle (4) embossed on the processor socket.
NOTE:Steps 3 and 4 apply only to HP Compaq 6735b computer models. See steps 1 and 2 for
removing the processor on HP Compaq 6730b computer models.
3.Use a flat-bladed screwdriver to turn the processor locking screw (1) one-half turn counterclockwise
until you hear a click.
4.Lift the processor (2) straight...

Display assembly
NOTE:All display assembly spare part kits include 2 WLAN antenna transceivers and cables.
DescriptionSpare part number
Display assemblies for use only with HP Compaq 6735b computer models:
●15.4-inch SXGA+ display assembly with 2 microphones and webcam for use only with
computer models equipped with both WLAN and WWAN modules
492177-001
●15.4-inch SXGA+ display assembly with 1 microphone for use only with computer models
equipped with both WLAN and WWAN modules492178-001
●15.4-inch SXGA+...

DescriptionSpare part number
●15.4-inch WXGA BrightView display assembly with 1 microphone for use only with computer
models equipped with a WLAN module but not a WWAN module487133-001
●15.4-inch WXGA display assembly with 2 microphones and webcam for use only with
computer models equipped with both WLAN and WWAN modules487122-001
●15.4-inch WXGA display assembly with 1 microphone for use only with computer models
equipped with both WLAN and WWAN modules487123-001
●15.4-inch WXGA display assembly with 2...

4.Open the computer as far as possible.
5.Disconnect the display panel cable (1) from the system board.
6.Disconnect the microphone cable (2) from the microphone extension cable.
7.Remove the Torx8 T8M2.5×4.0 screw (3) that secures the left display hinge cover to the computer.
8.Remove the left display hinge cover (4).
NOTE:The left and right hinge covers are available using spare part number 487144-001.
9.Disconnect the camera cable (1) from the system board.
10.Remove the wireless antenna cables (2)...

12.Lift the display assembly (2) straight up and remove it.
13.If it is necessary to replace the display bezel or display hinges, remove the following:
(1) Four beveled rubber screw covers on the display bezel top edge. All rubber screw covers are
available in the Display Rubber Kit, spare part number 486775-001.
(2) Two flat rubber screw covers on the display bezel bottom edge. All rubber screw covers are
available in the Display Rubber Kit, spare part number 486775-001.
(3) Six Torx T8M2.5×7.0 screws...

15.Remove the display bezel (3). The display bezel is available using spare part numbers 487336-001
(for use with computer models equipped with a webcam) and 487338-001 (for use with computer
models not equipped with a webcam).
16.If it is necessary to replace the display hinges, remove the two four T8M2.5×7.0 screws (1) that
secure the display panel to the display enclosure.
17.Remove the display panel (2).
18.Remove the four Phillips PM2.0×4.0 screws (1) that secure each display hinge to the display...

19.Remove the display hinges (2). The left and right display hinges are available using spare part
number 487337-001.
Reverse this procedure to reassemble and install the display assembly.
80 Chapter 4   Removal and replacement procedures