Lenovo B575e- Manuals

About this manual This manual provides service and reference information for the following Lenovo ® products. Machine Machine type (MT) Lenovo B575e 3685, 20189 Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections provide general informat...

Chapter 1. Safety information This chapter presents the following safety information that you need to be familiar with before you service aLenovo notebook computer.• “General safety” on page 1 • “Electrical safety” on page 2 • “Safety inspection guide” on page 3 • “Handling devices that are sensitiv...

Electrical safety Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft materialthat does not insulate you when working with live electrical currents.Many customers have, near their eq...

2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. • Wear a grounded wrist strap against your s...

Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages:• English• Arabic• Brazilian Portuguese• French• German• Hebrew• Japanese• Korean• Spanish• Traditional Chinese Chapter 1 . Safety information 19

Chapter 2. Important service information This chapter presents the following important service information that applies to all machine types supportedby this manual:• “Strategy for replacing FRUs” on page 27 – “Strategy for replacing a hard disk drive” on page 28 – “Important notice for replacing a ...

• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error. Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change.Replace only the FRU that changed the symptoms. Strategy for replacing a hard disk drive Always...

Chapter 3. General checkout This chapter presents following information:• “What to do first” on page 29 • “Power system checkout” on page 30 Before you go to the checkout guide, be sure to read the following important notes. Important notes: • Only certified trained personnel should service the comp...

• Diskette drive damage caused by pressure on the diskette drive cover, foreign material in the drive, or the insertion of a diskette with multiple labels • Damaged or bent diskette eject button• Fuses blown by attachment of a nonsupported device• Forgotten computer password (making the computer unu...

Note: Noise from the ac power adapter does not always indicate a defect. Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a batterypack that has less than 50% of the total power remaining when installed in the computer. Pe...

Chapter 4. Related service information This chapter presents the following information:• “Recovering the computer settings” on page 33 • “Passwords” on page 33 • “Power management” on page 34 Recovering the computer settings Performing backup and recovery operations using the OneKey Recovery Pro pro...

Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep,and hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires...

• If a “hibernation time” has been set on the timer, and if the user does not do any operation with the keyboard, the hard disk drive, the parallel connector, or the diskette drive within that time. • If the timer conditions are satisfied in suspend mode. When the power is turned on, the computer re...

Chapter 5. Lenovo B575e This chapter presents the following product-specific service references and parts information: • “Specifications” on page 37 • “Status indicators” on page 38 • “Fn key combinations” on page 39 Specifications This topic lists the physical features for the Lenovo B575e models. ...

• Integrated Bluetooth (on some models) • Integrated WiMAX • 100/1000 Mbps Ethernet communication Status indicators This topic presents the system status indicators that show the status of the computer. 4 5 6 1 2 3 Table 1. Status indicators Indicator Meaning 1 Caps lock indicator White: Caps lock m...

Table 1. Status indicators (continued) Indicator Meaning 5 Battery statusindicator • Blinking orange (500ms off/1s on): The remaining power of the battery is less than 5% of its capacity. • Blinking orange (100ms off/3.2s on): The battery is being charged with the remaining power between 5% and 20% ...

Chapter 6. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully beforereplacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo notebook computer, this problem is addressedwith special nylon-coat...

Chapter 7. Removing and replacing a FRU This chapter presents directions and drawings for use in removing and replacing a FRU. Be sure to observethe following general rules: 1. Do not try to service any computer unless you have been trained and certified. An untrained person runs the risk of damagin...

Unlock the manual battery latch 1 . Holding the spring-loaded battery latch in the unlocked position, remove the battery pack in the direction shown by the arrow 2 . 1 1 2 2 When installing: Install the battery pack in the slot. Make sure that the battery latches are in the locked position. 1020 Bot...

1030 Hard disk drive For access, remove these FRUs in order:• “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of ...

Removal steps of hard disk drive bracket Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color Torque 1 M3 × 2.8 mm, flat-head, nylon-coated (4) Silver 4 kgfcm Remove the hard disk drive bracket in the direction shown by the arrow 2 . 2 1040 Optical drive For access, remove these FRUs in order:•...

Removal steps of memory modules Release the two latches on both edges of the socket at the same time in the direction shown by the arrows 1 , and then unplug the DIMM in the direction shown by the arrow 2 . 1 1 2 Note: If only one memory module is used on the computer you are servicing, the card mus...

Removal steps of PCI Express Mini Card for wireless LAN Disconnect the cable from the card using the removal tool antenna RF connector (P/N: 08K7159) or pickup the cable with your fingers and then gently disconnect it from the card in the direction of the arrow 1 . Then remove the screw 2 . 2 1 1 St...

Remove the card in the direction shown by the arrow 3 . 3 When installing: Plug the black cable (MAIN) into the jack labeled A , and the white cable (AUX) into the jack labeled B on the card. 1070 Backup battery For access, remove these FRUs in order:• “1010 Battery pack” on page 43 • “1020 Bottom s...

Removal steps of keyboard Remove the screws 1 . 1 1 1 When installing: Make sure the screws have been fastened to secure the keyboard. Step Screw (quantity) Color Torque 1 M2.5 × 7 mm, flat-head, nylon-coated (3) Black 3.0 kgfcm Push hard in the direction shown by the arrows 2 to unlatch the rear ed...

The keyboard will open up slightly 3 . 3 Chapter 7 . Removing and replacing a FRU 53

Removal steps of keyboard bezel Remove screws 1 and 2 that secure the keyboard bezel. 1 1 1 1 1 1 1 2 2 2 1 1 1 Step Screw (quantity) Color Torque 1 M2.5 × 7 mm, flat-head, nylon-coated (10) Black 3.0 kgfcm 2 M2 × 3 mm, flat-head, nylon-coated (3) Black 1.6 kgfcm Chapter 7 . Removing and replacing a...

1100 LED board and power board For access, remove these FRUs in order:• “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1030 Hard disk drive” on page 45 • “1040 Optical drive” on page 46 • “1050 Memory modules” on page 47 • “1060 PCI Express Mini Card for wireless LAN” on pag...

1110 Microphone assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1030 Hard disk drive” on page 45 • “1040 Optical drive” on page 46 • “1050 Memory modules” on page 47 • “1060 PCI Express Mini Card for wireless LAN” on page 48 •...

• “1050 Memory modules” on page 47 • “1060 PCI Express Mini Card for wireless LAN” on page 48 • “1070 Backup battery” on page 50 • “1080 Keyboard” on page 51 • “1090 Keyboard bezel” on page 54 Removal steps of I/O board Remove the screw 1 , and then detach the cable. 2 1 Step Screw (quantity) Color ...

Removal steps of RJ45 Ethernet board Remove the screws 1 , and then detach the cable. 1 1 3 2 Step Screw (quantity) Color Torque 1 M2 × 5 mm, flat-head, nylon-coated (2) Black 1.85 kgfcm When installing: Make sure that the cable is attached firmly to the system board. 62 Hardware Maintenance Manual

Remove the RJ45 Ethernet board 4 . 4 1130 System board assembly Important notices for handling the system board: When handling the system board, bear the following in mind: • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid ro...

Removal steps of system board Remove the screw 1 . Detach the connectors. 5 4 7 6 3 8 2 1 Step Screw (quantity) Color Torque 1 M2 × 5 mm, flat-head, nylon-coated (1) Black 3.0 kgfcm When installing: Make sure that all the connectors are attached firmly. 64 Hardware Maintenance Manual

Removal steps of LCD unit Release the antenna cables from the cable guides. Then remove the screws 2 . 1 1 1 1 Step Screw (quantity) Color Torque 2 M2 × 5 mm, flat-head, nylon-coated (4) Black 1.6 kgfcm When installing: • Route the antenna cables along the cable guides. As you route the cables, make...

Removal steps of thermal fan assembly Detach the connector in the direction shown by the arrow 1 . 1 When installing: Make sure that the connector is attached firmly. Loosen the screws 2 to 4 , but do not remove them. 4 3 2 68 Hardware Maintenance Manual

Removal steps of speaker assembly Remove the screws 1 . Then remove the speaker assembly 2 . 1 2 1 2 1 1 Step Screw (quantity) Color Torque 1 M2 × 5 mm, flat-head, nylon-coated (4) Black 4.0 kgfcm 1170 DC-in sub card and base cover For access, remove these FRUs in order:• “1010 Battery pack” on page...

Removal steps of DC-in sub card Remove the screws 1 , and then remove the DC-in sub card in the direction shown by the arrow 2 . 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (2) Black 1.85 kgfcm Chapter 7 . Removing and replacing a FRU 71

Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. If the Windows Certificate of Authentication label (COA) 12 is attached to a part that is replaced, return the old part with the label attached to the customer, or provide a letter to t...

• “1090 Keyboard bezel” on page 54 • “1130 System board assembly” on page 63 • “1140 LCD unit” on page 65 Removal steps of LCD front bezel Remove the screws 1 . 1 1 Step Screw (quantity) Color Torque 1 M2 × 5 mm, flat-head, nylon-coated (2) Black 1.85 kgfcm Remove the LCD front bezel in the directio...

2020 Integrated camera For access, remove these FRUs in order:• “1010 Battery pack” on page 43 • “1080 Keyboard” on page 51 • “1090 Keyboard bezel” on page 54 • “1130 System board assembly” on page 63 • “1140 LCD unit” on page 65 • “2010 LCD front bezel” on page 72 Removal steps of integrated camera...

Removal steps of LCD panel and hinges Disconnect the integrated camera connector in the direction shown by the arrow 1 . Remove the screws 2 . Then lift the LCD panel in the direction shown by the arrow 3 . 2 2 2 2 2 2 3 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (6) B...

Removal steps of LCD cable Peel off the adhesive tape and detach the connector. 6 7 When installing: Make sure that the connector is attached firmly. 2040 Antenna assembly For access, remove these FRUs in order:• “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1080 Keyboard” ...

Chapter 8. Locations This chapter introduces the locations of the computer hardware components. Front view 1 2 4 5 6 7 13 14 15 4 16 12 8 9 10 11 3 Figure 1. Lenovo B575e front view 1 Integrated camera (on some models) 9 Microphone jack 2 Wireless antennas (on some models) 10 Headphone jack 3 Status...

Bottom view 1 2 3 8 6 5 9 10 4 7 Figure 2. Lenovo B575e bottom view 1 Battery latch (manual) 6 Fan louvers 2 Battery pack 7 VGA port 3 Battery latch (spring-loaded) 8 HDMI port (on some models) 4 Security keyhole 9 USB connector 5 ac power connector 10 Bottom slot cover 1 1 : The memory modules, har...

Chapter 9. Parts list This chapter contains the following lists of the service parts.• “Overall” on page 82 • “LCD FRUs” on page 84 • “Keyboard” on page 85 • “Miscellaneous parts” on page 88 • “ac power adapters” on page 88 • “Power cords” on page 88 Note: Each FRU is available for all types or mode...

Overall 15 14 13 12 10 11 c 1 2 3 4 6 5 a 7 b 8 9 Table 3. Parts list—Overall No. FRU (Overall) FRU no. 1 LCD unit (see “LCD FRUs” on page 84) 2 LB57 LED BOARD W/CABLE 31048995 3 LB575B Upper Case W/TP 90201316 4 Battery, 2200mA 6cell, 48Wh 3S2P Sanyo L09S6Y02 3S2P 48Wh bty(LH)Comm01 121001091 4 Bat...

Table 3. Parts list—Overall (continued) No. FRU (Overall) FRU no. 12 RAM, DDRIII 1600 4GB, Samsung, M471B5273DH0-CK0 DDR3 1600 4GB 11200341 12 RAM, DDRIII 1600 4GB, Hynix, HMT351S6CFR8C-PB DDR3 1600 4GB 11200344 12 RAM, DDRIII 1600 4GB, Ramaxel, RMT3160ED58E9W-1600 DDR3 1600 4GB 11200393 13 LB575B M...

Table 4. Parts list - LCD No. FRU FRU no. 1 LB575B LCD bezel with camera hole 90201314 1 LB575B LCD bezel without camera hole 90201315 2 LB57L LCD hinge L&R 6K.4VECS.001 90200228 3 LA48 camera 1M56.18011.462/07.962/06.362 90200517 3 LB48 camera 0.3M 56.18011.472 90000224 4 LB57L LCD Cover W/Ante...

Table 7. Parts list - Keyboard (Chicony) (continued) Language FRU no. U.K. English 25204583 U.S. English 25204582 U.S. English (International, with a Euro symbol) 25204608 Miscellaneous parts Table 8. Parts list - Miscellaneous parts FRU FRU no. (a) LB575B ODD bracket 90201312 (b) LA57 ODD bezel ass...

Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information inthe User Guide . Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: LenovoOneKey Windows is a trademark of the Mic...