Hardware Maintenance Manual Lenovo B575e
Note: Before using this information and the product it supports, be sure to read the general information under Appendix A “Notices” on page 93. First Edition (July 2012) © Copyright Lenovo 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
Contents About this manual. . . . . . . . . . . iii Chapter 1. Safety information . . . . . . 1 General safety . . . . . . . . . . . . . . . Electrical safety . . . . . . . . . . . . . . Safety inspection guide . . . . . . . . . . . Handling devices that are sensitive to electrostatic discharge. . . . . . . . . . . . . . . . . Grounding requirements . . . . . . . . . . . Safety notices (multilingual translations) . . . . . Laser compliance statement (multilingual translations) . . . . . . . . . . . . . .
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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 information, guidelines, and safety information required for servicing computers. • The product-specific sections include service, reference, and product-specific parts information.
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Chapter 1. Safety information This chapter presents the following safety information that you need to be familiar with before you service a Lenovo notebook computer.
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 material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock.
– Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service technicians from injury. This guide addresses only those items.
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 skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap.
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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.
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Chapter 2. Important service information This chapter presents the following important service information that applies to all machine types supported by this manual: • “Strategy for replacing FRUs” on page 27 – “Strategy for replacing a hard disk drive” on page 28 – “Important notice for replacing a system board” on page 28 • “Important information about replacing RoHS compliant FRUs” on page 28 Important: BIOS and device driver fixes are customer-installable.
• 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 try to run a low-level format before replacing a hard disk drive (HDD). This will cause all customer data on the hard disk to be lost.
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 computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs. • When you replace FRUs, it is recommended to use new nylon-coated screws.
• 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 unusable) • Sticky keys caused by spilling a liquid onto the keyboard • Use of an incorrect ac power adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities: • Mis
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 battery pack that has less than 50% of the total power remaining when installed in the computer. Perform operational charging. If the battery status indicator or icon does not turn on, remove the battery pack and let it return to room temperature. Reinstall the battery pack.
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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 program The OneKey Recovery Pro program enables you to back up all your hard disk drive contents including the operating system, data files, software programs, and personal settings.
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, the LCD backlight turns off. You also can turn off the LCD backlight by pressing Fn+F2. To end screen blank mode and resume normal operation, press any key.
• 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 returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive is read, and system status is restored from the hard disk drive. Chapter 4.
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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. Processor • To view the processor information of your computer, click Start, right-click Computer, and then click Properties.
• 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 mode is enabled. You can enter all alphabetic characters (A-Z) in uppercase without pressing the Shift key. To enable or disable Caps lock mode, press the Caps lock key (CapsLk).
Table 1. Status indicators (continued) Indicator Meaning 5 • Blinking orange (500ms off/1s on): The remaining power of the battery is less than 5% of its capacity. Battery status indicator • Blinking orange (100ms off/3.2s on): The battery is being charged with the remaining power between 5% and 20% of its capacity. • Orange: The computer is operating on battery power with the remaining power between 5% and 20% of its capacity.
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Chapter 6. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo notebook computer, this problem is addressed with special nylon-coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration. • They are harder to tighten.
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Chapter 7. Removing and replacing a FRU This chapter presents directions and drawings for use in removing and replacing a FRU. Be sure to observe the 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 damaging parts. 2. Before replacing any FRU, review Chapter 6 “FRU replacement notices” on page 41. 3. Begin by removing any FRUs that have to be removed before replacing the failing FRU.
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 . 11 2 2 When installing: Install the battery pack in the slot. Make sure that the battery latches are in the locked position. 1020 Bottom slot cover For access, remove this FRU: • “1010 Battery pack” on page 43 Removal steps of bottom slot cover Loosen the screws 1 , then remove the bottom slot cover 2 .
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 data. • Before removing the drive, have the user make a backup copy of all the information on it if possible. • Never remove the drive while the computer is operating or in suspend mode.
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 .
1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (1) Black 1.6 kgfcm Insert a screwdriver into the screw hole and push the optical drive. Pull the optical drive out. 2 3 1050 Memory modules For access, remove these FRUs in order: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 Chapter 7.
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 must be installed in SLOT-0 ( a : lower slot), but not in SLOT-1 ( b : upper slot). b a When installing: Insert the notched end of the memory module into the socket.
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 pick up 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 Step Screw (quantity) Color Torque 2 M2 × 3 mm, flat-head, nylon-coated (1) Black 1.6 kgfcm Chapter 7.
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 slot cover” on page 44 Removal steps of backup battery DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode.
Insert a screwdriver into the backup battery hole and push the backup battery until the battery pops up. 1080 Keyboard For access, remove these FRUs in order: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 Chapter 7.
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 edge of the keyboard.
The keyboard will open up slightly 3 . 3 Chapter 7.
Carefully lift the keyboard until you can see how it is connected. Hold the keyboard above the computer 4 , and then detach the connector in the direction shown by the arrows 5 and 6 .
Removal steps of keyboard bezel Remove screws 1 and 2 that secure the keyboard bezel. 2 2 1 2 1 1 1 1 1 1 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.
Remove the screw 3 . 3 Step Screw (quantity) Color Torque 3 M2 × 5 mm, flat-head, nylon-coated (1) Black 1.
Detach the connectors. 5 4 9 10 8 6 7 When installing: Make sure that the connectors are attached firmly to the system board. Remove the keyboard bezel. 11 11 11 12 11 11 11 11 11 11 Chapter 7.
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 page 48 • “1070 Backup battery” on page 50 • “1080 Keyboard” on page 51 • “1090 Keyboard bezel” on page 54 Removal steps of LED board Peel off the mylar tape 1 and then remove the LED board.
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 • “1070 Backup battery” on page 50 • “1080 Keyboard” on page 51 • “1090 Keyboard bezel” on page 54 Removal steps of microphone assembly Peel off the tapes that secure the microphone assembly 1 .
• • • • • “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. 1 2 Step Screw (quantity) Color Torque 1 M2 × 5 mm, flat-head, nylon-coated (1) Black 1.85 kgfcm When installing: Make sure that the cable is attached firmly to the system board.
Remove the I/O board 4 . 3 Chapter 7.
Removal steps of RJ45 Ethernet board Remove the screws 1 , and then detach the cable. 2 3 1 1 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.
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 rough handling of any kind. • At every point in the process, be sure not to drop or stack the system board.
Removal steps of system board Remove the screw 1 . Detach the connectors. 2 3 8 1 4 5 7 6 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.
Detach the connector 9 and remove the system board in the direction shown by the arrow 10 .
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 sure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.
Remove the LCD unit in the direction shown by the arrow 2 .
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.
Lift the thermal fan assembly in the direction shown by the arrow 5 . Attention: Be careful not to damage the connector. 5 Attention: Do not handle the thermal fan assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components. When installing: Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a as shown in the above illustration.
Removal steps of speaker assembly Remove the screws 1 . Then remove the speaker assembly 2 . 1 1 2 1 2 1 Step Screw (quantity) Color Torque 1 M2 × 5 mm, flat-head, nylon-coated (4) Black 4.
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.
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 the customer stating what the label was originally on the system and what the label part number, serial number, and product key were.
• • • “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 direction shown by the arrows 2 . 2 2 2 2 When installing: Make sure that all the latches are attached firmly. Then secure the bezel with the screws. Chapter 7.
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 Remove the integrated camera from the LCD cover as shown in the following illustration. Note: The integrated camera is stuck on the top center of the LCD cover.
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 1 2 2 3 2 2 2 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (6) Black 1.6 kgfcm When installing: Make sure that the connector is attached firmly. Remove the screws 4 and then remove the hinges in the direction shown by the arrows 5 .
Removal steps of LCD cable Peel off the adhesive tape and detach the connector. 7 6 When installing: Make sure that the connector is attached firmly.
Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges in the direction shown by the arrows 2 . 2 2 Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with tapes. As you route the cables, make sure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. Chapter 7.
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Chapter 8. Locations This chapter introduces the locations of the computer hardware components. Front view 1 2 16 15 4 14 3 4 13 5 12 6 7 11 8 9 10 Figure 1.
Bottom view 1 2 3 5 10 4 6 7 8 9 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 cover1 1: 80 The memory modules, hard disk drive, and wireless cards are located underneath the bottom slot cover.
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 models, unless specific types or models are specified.
Overall 1 15 14 2 13 12 3 4 5 6 c a 11 7 b 10 8 9 Table 3. Parts list—Overall No. FRU (Overall) FRU no.
Table 3. Parts list—Overall (continued) No. FRU (Overall) FRU no. 4 Battery, 2200mA 6cell, 48Wh 3S2P SMP/LG L09M6Y02 3S2P 48Wh bty(LH)Comm01 121001094 4 Battery, 2200mA 6cell, 48Wh 3S2P SMP/LG L09M6Y02 3S2P 48Wh bty(LH)Comm01 + EU lable 121500091 4 Battery, 2200mA 6cell, 48Wh 3S2P Celx/S L10C6Y02 3S2P 48Wh bty(LH)Comm01 121001071 5 LB575B USB Board W/Cable 90000552 6 LB57L Lower Case W/DC IN Cable/SPK 90200227 7 ODD, 12.7mm Tray-in Rambo, PLDS, DS-8A8SH 25201487 7 ODD, 12.
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 MB UMA E-300 1.3G W/U3/HDMI 90000553 13 LB575B MB UMA E2-1800 1.7G W/U3/HDMI 90000554 14 LB575B Power Board 90000551 15 Keyboard (see “Keyboard” on page 85.
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/Antenna 60.4VE02.001 90200229 4 LB575B LCD Cover W/Antenna 2 90201313 5 LA57 LCD CABLE W/CAMERA CABLE 31048972 5 LB57L LCD Cable 50.4VE01.001 90200222 6 Panel 15.
Table 5. Parts list - Keyboard (Dafon) (continued) Language FRU no. Korean 25204621 Latin 25204619 Portuguese 25204618 Russian 25204623 Slovenian 25204636 Swiss 25204637 Spanish 25204615 Thai 25204617 Traditional Chinese 25204622 Turkish 25204616 U.K. English 25204613 U.S. English 25204612 U.S. English (International, with a Euro symbol) 25204638 Table 6. Parts list - Keyboard (Sunrex) Language FRU no.
Table 6. Parts list - Keyboard (Sunrex) (continued) Language FRU no. Spanish 25204645 Slovenian 25204666 Thai 25204647 Traditional Chinese 25204652 Turkish 25204646 U.K. English 25204643 U.S. English 25204642 U.S. English (International, with a Euro symbol) 25204668 Table 7. Parts list - Keyboard (Chicony) Language FRU no.
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 assembly tray in Rambo 31048981 (c) LA57 HDD bracket assembly 31048979 Note: Italicized letters in parentheses are references to the exploded view in “Overall” on page 82. ac power adapters Table 9.
Table 11. Parts list - 3-pin power cords (Linetek) (continued) Country or region FRU no.
Table 12. Parts list - 3-pin power cords (Longwell) (continued) Country or region FRU no.
Table 13. Parts list - 3-pin power cords (Volex) (continued) Country or region FRU no.
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Appendix A. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo OneKey Windows is a trademark of the Microsoft group of companies. Intel is a trademark of Intel Corporation or its subsidiaries in the United States, other countries, or both.
Part Number: Printed in China (1P) P/N: *1P*