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compaq notebook evo n160 series User Manual

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Page 91

5–24Maintenance and Service Guide
Removal and Replacement Procedures
5.11 Top Cover
1. Prepare the computer for disassembly (Section 5.3) and 
remove the following components:
a. Switch cover (Section 5.6)
b. Keyboard and keyboard shield (Section 5.7)
c. Display (Section 5.10)
2. Turn the computer bottom side up with the rear panel 
facing you.
Top Cover
Spare Part Number Information
Top cover (includes TouchPad and TouchPad buttons) 260606-001 

Page 92

Removal and Replacement Procedures
Maintenance and Service Guide5–25
3. Remove the eight black M2 × 9 screws 1 that secure the top 
cover to the base enclosure (Figure 5-18).
4. Open the parallel and serial connector cover 2.
5. Remove the silver M2 × 6.5 screw 3 that secures the top 
cover to the base enclosure through the rear panel.
Figure 5-18. Removing the Top Cover Screws
6. Turn the computer top side up with the front facing you. 

Page 93

5–26Maintenance and Service Guide
Removal and Replacement Procedures
7. Release the ZIF connector 1 to which the TouchPad cable is 
attached and disconnect the TouchPad cable 2 from the 
system board (Figure 5-19).
8. Remove the two black M2 × 9 screws 3 and the silver 
M2×7 screw 4 that secures the top cover to the base 
enclosure.
Figure 5-19. Disconnecting the TouchPad Cable and 
Removing the Top Cover Screws 

Page 94

Removal and Replacement Procedures
Maintenance and Service Guide5–27
9. Lift the top cover straight up to remove it (Figure 5-20).
Figure 5-20. Removing the Top Cover
Reverse the above procedure to install the top cover. 

Page 95

5–28Maintenance and Service Guide
Removal and Replacement Procedures
5.12 Speaker Assembly
✎The left and right speakers are not interchangeable. The right 
speaker has a longer cable.
1. Prepare the computer for disassembly (Section 5.3) and 
remove the following components:
a. Switch cover (Section 5.6)
b. Keyboard and keyboard shield (Section 5.7)
c. Display (Section 5.10)
d. Top cover (Section 5.11)
Speaker Assembly
Spare Part Number Information
Left speaker
Right speaker251363-001
251364-001 

Page 96

Removal and Replacement Procedures
Maintenance and Service Guide5–29
2. Disconnect the speaker cables 1 from the system board 
(Figure 5-21).
3. Remove the gold M2 × 5 screws 2 that secure the speaker 
assemblies to the base enclosure.
4. Remove the speaker assemblies 3.
Figure 5-21. Removing the Speaker Assemblies
Reverse the above procedure to install the speaker assemblies. 

Page 97

5–30Maintenance and Service Guide
Removal and Replacement Procedures
5.13 Disk Cell RTC Battery
✎The disk cell RTC battery is included in the Plastics and 
Hardware Kit (spare part number 251365-001).
1. Prepare the computer for disassembly (Section 5.3) and 
remove the following components:
a. Switch cover (Section 5.6)
b. Keyboard and keyboard shield (Section 5.7)
c. Display (Section 5.10)
d. Top cover (Sevtion 5-11)
2. Lift up the back edge of the RTC battery and remove it from 
its socket on the...

Page 98

Removal and Replacement Procedures
Maintenance and Service Guide5–31
5.14 Mini PCI Communications Board
1. Prepare the computer for disassembly (Section 5.3) and 
remove the following components:
a. Switch cover (Section 5.6)
b. Keyboard and keyboard shield (Section 5.7)
c. Display (Section 5.10)
d. Top cover (Section 5.11)
Mini PCI Communications Boards
Spare Part Number Information
Mini PCI communications boards
Type III mini PCI 56-Kbps modem (domestic)
Type III mini PCI 56-Kbps modem...

Page 99

5–32Maintenance and Service Guide
Removal and Replacement Procedures
2. Disconnect the communications cable from the mini PCI 
communications board 1 (Figure 5-23).
3. Spread the retaining tabs to release the mini PCI 
communications board 2.
The board tilts up at a 45-degree angle.
4. Remove the board by pulling it away from the connector at a 
45-degree angle 3.
Figure 5-23. Removing the Mini PCI Communications Board
Reverse the above procedure to install the mini PCI 
communications board. 

Page 100

Removal and Replacement Procedures
Maintenance and Service Guide5–33
5.15 Sub I/O Board
1. Prepare the computer for disassembly (Section 5.3) and 
remove the following components:
a. Switch cover (Section 5.6)
b. Keyboard and keyboard shield (Section 5.7)
c. Display (Section 5.10)
d. Top cover (Section 5.11)
Sub I/O Board
Spare Part Number Information
Sub I/O board251381-001 
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