Lenovo B575 Support Question
Lenovo B575 Support Question
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Question posted by my1Ericv on October 26th, 2013
How To Remove Lenovo B575 Keyboard
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Current Answers
Answer #1: Posted by TommyKervz on October 26th, 2013 3:50 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,813
Member since:
January 10th, 2013 Points: 17,776,813
Related Lenovo B575 Manual Pages
Hardware Maintenance Manual - Page 3
...Sleep (standby) mode 25 Hibernation mode 26
Lenovo B575 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32
Screw notices 32 Removing and replacing an FRU 33
1010 Battery ...38 1060 DIMM 39 1070 PCI Express Mini Card for wireless LAN/WAN 40 1080 Keyboard 42 1090 Keyboard bezel 45 1100 System board 49 1110 LCD unit 52 1120 Fan assembly and Heat...
Hardware Maintenance Manual - Page 6
...overheating of your necktie or scarf inside clothing or fasten it with your clothing. Lenovo B575 Hardware Maintenance Manual
General safety
Follow these rules below to ensure general safety: •...that other service representatives and the customer are not in a hazardous position. • Place removed covers and other parts in a safe place, keeping them with labels or stickers.
2 ...
Hardware Maintenance Manual - Page 8
Power supply units - Switch off the power. - Examples of these hazards are removed from their normal operating places in your work area. Motor generators and similar units. (This practice ensures correct grounding of a plastic dental mirror. Lenovo B575 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - Caution: do not become...
Hardware Maintenance Manual - Page 24
...) • Sticky keys caused by spilling a liquid onto the keyboard • Use of an incorrect AC adapter on laptop products
The following symptoms might indicate damage caused by nonwarranted activities: ..., modification, unsuitable physical or operating environment, or improper maintenance by the customer. Lenovo B575 Hardware Maintenance Manual
What to do first
When you do return an FRU, you...
Hardware Maintenance Manual - Page 25
... power is acceptable, do the following: • Replace the system board. • If the problem continues, go to "Lenovo B575" on the computer. 5. Note: Noise from the computer. 2. If you turn on the
computer. Remove the battery pack. 3. See the
following power supply checkouts: • "Checking the AC adapter" on page 21 •...
Hardware Maintenance Manual - Page 46
Removal steps of keyboard
Remove three screws a.
1
1 1
Step
a
Screw (quantity)
Color
M2.5 × 8 mm, flat-head, nylok-coated (3) Black
Torque 2.5 kgfcm
42 Lenovo B575 Hardware Maintenance Manual
1080 Keyboard
For access, remove this FRU: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on page 36
Figure 8.
Hardware Maintenance Manual - Page 47
Lenovo B575
Figure 8. Removal steps of keyboard (continued)
Loosen the keyboard with fingers in the direction shown by arrows b.
2
43
Hardware Maintenance Manual - Page 48
Removal steps of keyboard (continued)
Lift the keyboard a little c, and then detach the connector in the direction shown by arrows d e.
3
4 5
When installing: Make sure that the FPC connector is attached firmly.
44 Lenovo B575 Hardware Maintenance Manual
Figure 8.
Hardware Maintenance Manual - Page 49
... screws b on page 42
Figure 9. Lenovo B575
1090 Keyboard bezel
For access, remove these FRUs in order: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on page 36 • "1050 Optical drive" on page 38 • "1080 Keyboard" on the bottom.
2 1
1
2 2
1
1 1
1 1
1 1
1
Step...
Hardware Maintenance Manual - Page 50
Lenovo B575 Hardware Maintenance Manual
Figure 9. Removal steps of keyboard bezel (continued)
Remove the screw c.
3
Step
c
Screw (quantity)
Color
M2 × 6 mm, flat-head, nylok-coated (1) Black
Torque 2.5 kgfcm
46
Hardware Maintenance Manual - Page 51
Lenovo B575
Figure 9. Unplug the microphone connector in the direction shown by arrow f.
5 6
4 4 5
When installing: Make sure that all the FPC connectors, microphone connectors and LCD connector are attached firmly.
47 Removal steps of keyboard bezel (continued)
Detach five FPC connectors in the direction shown by arrows d e.
Hardware Maintenance Manual - Page 52
Removal steps of keyboard bezel (continued)
Remove the keyboard bezel in the direction shown by arrow g.
7
Remove the screw h, and then remove the power board i.
8 9
Step
h
Screw (quantity)
Color
M2 × 3.5 mm, flat-head, nylok-coated (1) Black
Torque 2.5 kgfcm
48 Lenovo B575 Hardware Maintenance Manual
Figure 9.
Hardware Maintenance Manual - Page 53
Lenovo B575
1100 System board
Important notices for wireless LAN/WAN" on page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on a padded
surface such as metal, wood, or composite. •...; If you put a system board down, make sure to put it only on page 45
49 For access, remove these FRUs in order: • "1010 Battery pack" on page 34 • "1020 Dummy card" on page...
Hardware Maintenance Manual - Page 56
... pinch the antenna cables when you route the cables, make sure that they are not subjected to any tension. Remove four screws b.
22 1
2 2
1 1
Step
b
Screw (quantity)
Color
M2.5 × 6 mm..."1080 Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49
Figure 11. Lenovo B575 Hardware Maintenance Manual
1110 LCD unit
For access, remove these ...
Hardware Maintenance Manual - Page 58
Removal steps of fan assembly and heat sink assembly
Detach the fan connector in order: • "1010 Battery pack" ...WAN" on page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 Figure 12. Lenovo B575 Hardware Maintenance Manual
1120 Fan assembly and Heat Sink assembly
For access, remove these FRUs in the direction shown by ...
Hardware Maintenance Manual - Page 60
...; 3.5 mm, flat-head, nylok-coated (4)
Color Black
Torque 2.5 kgfcm
Remove the bluetooth card in order: • "1010 Battery pack" on page 34...Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 • "1110 LCD unit" on page 52
Figure 14. Lenovo B575 Hardware Maintenance Manual
1130 Base cover, speakers and bluetooth card
For access, remove...
Hardware Maintenance Manual - Page 62
Lenovo B575 Hardware Maintenance Manual
1140 LCD front bezel
For access, remove these FRUs in the direction shown by arrows b.
2 2
2 2
58 Removal steps of LCD front bezel
Remove two screws a.
1
1
Step
a
Screw (quantity)
Color
M2.5 × 4 mm, flat-head, nylok-coated (2) White
Torque 2.5 kgfcm
Remove...page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 &#...
Hardware Maintenance Manual - Page 63
Lenovo B575
1150 LCD panel, LCD cable and hinges
For access, remove these FRUs in the direction shown by arrow b. Removal steps of LCD panel, LCD cable and hinges
Remove six screws a. Lift the LCD panel in ..."1070 PCI Express Mini Card for wireless LAN/WAN" on page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 • "...
Hardware Maintenance Manual - Page 66
Lenovo B575 Hardware Maintenance Manual
1160 Integrated camera
For access, remove these FRUs in order: • "1010 Battery pack" on page 34 • "1020 Dummy card... on page 39 • "1070 PCI Express Mini Card for wireless LAN/WAN" on page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 • "1110 LCD unit" on page 52...
Hardware Maintenance Manual - Page 67
...• "1070 PCI Express Mini Card for wireless LAN/WAN" on page 40 • "1080 Keyboard" on page 42 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 • "1110 LCD ... cables, make sure that they are not subjected to any tension. Lenovo B575
1170 Antenna assembly and LCD cover
For access, remove these FRUs in the
direction shown by the cable guides, or a wire...
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