Lenovo B575 manual Antenna assembly and LCD cover, Removal steps of antenna assembly and LCD cover

Page 67

Lenovo B575

1170 Antenna assembly and LCD cover

For access, remove these FRUs in order:

“1010 Battery pack” on page 34

“1020 Dummy card” on page 35

“1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36

“1040 Hard disk drive” on page 37

“1050 Optical drive” on page 38

“1060 DIMM” 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

“1140 LCD front bezel” on page 58

“1150 LCD panel, LCD cable and hinges” on page 59

Figure 18. Removal steps of antenna assembly and LCD cover

Peel off the adhesive tapes securing the antenna boards, release the

cables from the cable guide, and then remove the antenna assembly in the direction shown by arrows a.

When installing: Route the antenna cables along the cable guides and secure the antenna boards with adhesive tapes. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

63

Image 67
Contents Lenovo B575 Page Contents Lenovo B575 About this manualSafety information General safety Electrical safety Lenovo B575 Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notice Safety notices multilingual translationsLenovo B575 Hardware Maintenance Manual Safety information Lenovo B575 Hardware Maintenance Manual Safety information Lenovo B575 Hardware Maintenance Manual Safety information Laser compliance statement Safety information Strategy for replacing FRUs Before replacing partsImportant notice for replacing a system board Strategy for replacing a hard disk driveOriginal part Important information about replacing RoHS compliant FRUsGeneral checkout What to do first Following are not covered under warrantyChecking the AC adapter Power system checkoutChecking operational charging Checking the battery pack Restoring the factory contents by using OneKey Recovery Related service informationPower-on password PasswordsSupervisor password Screen blank mode Power managementSleep standby mode Hibernation mode Feature Description SpecificationsWlan Indicator Meaning Status indicatorsOff Blinking whiteFlashing white Key combination Description Fn key combinationsLogic card to plastic FRU replacement noticesScrew notices Plastic to plasticRemoving and replacing an FRU Removal steps of battery pack Battery packRemoval steps of dummy cards Dummy cardLoosen five screws a, then remove the compartment cover b Step Screw quantity Color Torque Hard disk driveRemoval steps of optical drive Optical driveRemoval steps of Dimm DimmRemoval steps of PCI Express Mini Card for wireless LAN/WAN PCI Express Mini Card for wireless LAN/WANWhen installing Removal steps of keyboard KeyboardLenovo B575 Lenovo B575 Hardware Maintenance Manual Removal steps of keyboard bezel Keyboard bezelRemove the screw c Lenovo B575 M2 × 3.5 mm, flat-head, nylok-coated Black Kgfcm Important notices for handling the system board System boardRemoval steps of system board Lenovo B575 Removal steps of LCD unit LCD unitRemove the LCD unit in the direction shown by arrows c Removal steps of fan assembly and heat sink assembly Fan assembly and Heat Sink assemblyLenovo B575 Base cover, speakers and bluetooth card Lenovo B575 Removal steps of LCD front bezel LCD front bezelRemoval steps of LCD panel, LCD cable and hinges LCD panel, LCD cable and hingesM2 × 2.5, flat-head, nylokcoated Black Kgfcm Lenovo B575 Removal steps of integrated camera Integrated cameraRemoval steps of antenna assembly and LCD cover Antenna assembly and LCD coverFront view LocationsRight-side view Bottom and Left-side view Parts list Overall Parts list-Overall LA57 Lower Case UMA NEW W/SPEAKER/DC-IN LA57 HDD Door Assy LCD FRUs 15.6-in. HD TFT Keyboard Lenovo B575 Miscellaneous parts Parts list-Miscellaneous partsAC adapters Parts list-3-pin AC adaptersParts list-3-pin power cords Power cordsLenovo B575 Lenovo B575 Hardware Maintenance Manual Page Trademarks

B575 specifications

The Lenovo B575 is a notable entry in the realm of budget-friendly laptops, catering to users who seek a reliable and functional machine without breaking the bank. This device embodies the essential features and technologies that are ideal for everyday computing tasks, making it a popular choice for students, professionals, and casual users alike.

One of the standout features of the Lenovo B575 is its ergonomic design. The laptop sports a sleek and compact chassis, which makes it highly portable and easy to carry. Weighing in at just around 5.5 pounds, it is an adequate companion for individuals who are always on the go. Additionally, the 15.6-inch display provides ample screen real estate for various tasks, with a resolution that delivers clear and vibrant visuals, enhancing the overall viewing experience.

Under the hood, the Lenovo B575 is powered by AMD processors, commonly featuring the AMD E-Series or A-Series APUs. These processors are known for their balance of performance and energy efficiency, allowing users to enjoy seamless multitasking capabilities without excessive power consumption. Whether it’s browsing the web, streaming media, or working on documents, the B575 handles these tasks effectively.

To complement its processing power, the B575 generally comes with a standard configuration of 4GB of RAM, which can be upgraded depending on the user's needs. This memory configuration ensures smooth performance during typical usage scenarios. The device also offers a variety of storage options, including traditional hard drives, which provide ample space for files and applications.

Connectivity is another strong point of the Lenovo B575. It features multiple USB ports, an HDMI output for connecting to external displays, and a built-in card reader. The inclusion of Wi-Fi and Ethernet capabilities ensures that users can stay connected to the internet, whether at home, in the office, or on the move.

The B575's battery life is commendable for a budget laptop, allowing for several hours of usage on a single charge. This longevity is particularly appealing for students or professionals who may not have immediate access to power outlets.

In summary, the Lenovo B575 offers a robust set of features and capabilities that cater to everyday computing demands. Its balance of performance, portability, and functionality makes it an attractive option for users seeking an affordable laptop that meets their essential needs while providing a satisfying user experience.