HP dx5150 Series Montageanleitung
HP-00007-01, Appendix 3 2-Jun-2005
HP Restricted
Page 1
Appendix 3 Product End-of-Life Disassembly instructions
Product Identification:
Marketing Name / Model Description
HP Business Desktop dx5150 Series Microtower, ATX board
Purpose: The document is intended for use by end-of-life recyclers or treatment facilities. It provides the
basic instructions for the disassembly of HP products to remove components and materials requiring
selective treatment.
1.0 Items Requiring Selective Treatment
1.1 Items listed below are classified as requiring selective treatment.
1.2 Enter the quantity of items contained within the product which require selective treatment in
the right column, as applicable.
Item Description Notes Qty in product.
Printed Circuit Boards (PCB) or Printed
Circuit Assemblies (PCA)
With a surface greater than 10
square cm
2 (sys board &
P/S board)
Batteries All types including standard
alkaline and lithium coin or button
style batteries
1
Mercury containing components For example, mercury in lamps,
display backlights, scanner lamps,
switches, batteries
0
Liquid Crystal Displays (LCD) with a
surface greater than 100 square cm
Includes background illuminated
displays with gas discharge lamps
0
Cathode Ray Tubes (CRT) 0
Capacitors / condensers (Containing
PCB / PCT)
0
Electrolytic Capacitors / Condensers
measuring greater than 2.5 cm in
diameter or height
2 (2 in P/S)
External electrical cables and cords 0
Gas Discharge Lamps 0
Plastics containing Brominated Flame
Retardants
0
Components and parts containing toner
and ink, including liquids, semi-liquids
(gel/paste) and toner
Include the cartridges, print
heads, tubes, vent chambers, and
service stations.
0
Components and waste containing
asbestos
0
Components, parts and materials
containing refractory ceramic fibers
0
Components, parts and materials
containing radioactive substances
0
HP-00007-01, Appendix 3 2-Jun-2005
HP Restricted
Page 2
2.0 Tools Required
List the type and size of the tools that would typically be used to disassemble the product to a
point where components and materials requiring selective treatment can be removed.
Tool Description Tool Size (if applicable)
Torx Screw Driver
Dikes See Figure 13
3.0 Product Disassembly Process
3.1 List the basic steps that should typically be followed to remove components and materials
requiring selective treatment:
SYSTEM BOARD
1 To remove the access panel (see Figure 1 below):
a. Loosen the captive thumbscrew that secures the access panel to the computer chassis.
b. Slide the access panel back about 2.5 cm (1 inch), and then lift it off the unit.
2 Unplug all cables from the system board (see Figure 2 below).
3 To remove the heatsink (see Figure 3 & 4 below):
a. Disconnect the heatsink fan cable from the system board.
b. Loosen the two screws that secure the heatsink to the processor.
c. Twist the heatsink to break the bond between it and the processor.
d. Lift the heatsink from the processor.
4 To remove the processor (see Figure 5 below):
a. Rotate the socket handle to its fully open position.
b. Lift the processor from the system board.
5 To remove the system board (see Figures 6 & 7 below):
a. Remove the eight screws that secure the system board to the chassis.
b. Slide the system board toward the front of the computer until the rear I/O connectors
clear the chassis, and then lift the system board out of the chassis.
POWER SUPPLY PCA
1 To remove the power supply (see Figure 8 below):
a. Disconnect all power cables from all devices.
b. Remove the screws that connect the power supply to the chassis.
c. Slide the power supply toward the front of the computer, and then lift it out of the
computer.
2 Remove the cover from the power supply by removing the screws from the power supply
surface, and then lifting the cover off of the power supply (see Figure 9 below)
3 Unplug all cables and remove all screws inside of the power supply.
4 Cut the four cables (two each) connected to the Switch and the Inlet
(see Figure 10 below).
HP-00007-01, Appendix 3 2-Jun-2005
HP Restricted
Page 3
POWER SUPPLY PCA (
continued
)
5 Remove the power supply PCA from the power supply (see Figure 11 below)
6 Cut the two capacitors (C4, C5) (see Figure 12 below) solder joint using dikes (see Figure
13 below), and then remove the capacitors.
BATTERY
1 Locate the battery and battery holder on the system board.
2 Depending on the type of battery holder on your system board, complete the following
instructions to replace the battery:
Type 1 Battery Holder (see Figure 14 below)
- Lift the battery out of the holder.
Type 2 Battery Holder (see Figure 15 below)
- To release the battery from the holder, squeeze the metal clamp that extends above one
edge of the battery. When the battery pops up, lift it out.
Type 3 Battery Holder (see Figure 16 below)
- To release the battery from the holder, press back the lever that extends above one edge
of the battery. When the battery pops up, lift it out.
HP-00007-01, Appendix 3 2-Jun-2005
HP Restricted
Page 4
3.2 Illustrations
FIGURE 1: Removing the access panel FIGURE 2: System board
FIGURE 3: Removing the heatsink assembly
FIGURE 4: Heatsink screw locations
FIGURE 5: Removing the processor
FIGURE 6: Removing the system board
HP-00007-01, Appendix 3 2-Jun-2005
HP Restricted
Page 5
FIGURE 7: System board screw locations
FIGURE 8: Removing the power supply
FIGURE 9: Power supply with cover removed
FIGURE 10: Switch and Inlet cables
FIGURE 11: Power supply PCA
FIGURE 12: Capacitors C4 and C5
HP-00007-01, Appendix 3 2-Jun-2005
HP Restricted
Page 6
FIGURE 13: Dikes
FIGURE 14: Type 1 battery holder
FIGURE 15: Type 2 battery holder
FIGURE 16: Type 3 battery holder
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