Lenovo THINKPAD L412- User Manual

Safety information This chapter presents following safety information that you need to be familiarwith before you service a ThinkPad Notebook. v “General safety” on page 2 v “Electrical safety” on page 3 v “Safety inspection guide” on page 5 v “Handling devices that are sensitive to electrostatic di...

General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and aftermaintenance. v When lifting any heavy object: 1. Make sure that you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet....

Electrical safety Observe the following rules when working on electrical equipment. v Find the room emergency power-off (EPO) switch, disconnecting switch, orelectrical outlet. If an electrical accident occurs, you can then operate the switchor unplug the power cord quickly. v Do not work alone unde...

Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentiallyunsafe conditions. As each machine was designed and built, required safety itemswere installed to protect users and service technicians from injury. This guideaddresses only those items. You shoul...

Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should beconsidered sensitive to electrostatic discharge (ESD.) ESD damage can occur whenthere is a difference in charge between objects. Protect against ESD damage by...

Safety notices (multilingual translations) The safety notices in this section are provided in the following languages: v English v Arabic v Brazilian Portuguese v French v German v Hebrew v Japanese v Korean v Spanish v Traditional Chinese Safety information 7

Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the followinglanguages: v English v Arabic v Brazilian Portuguese v French v German v Hebrew v Japanese v Korean v Spanish v Traditional Chinese Some models of ThinkPad Notebook are...

Alguns modelos de computador ThinkPad são equipados na fábrica com umdispositivo de armazenamento ótico, como uma unidade de CD-ROM ou deDVD-ROM. Tais dispositivos também são vendidos separadamente comoopcionais. Se uma dessas unidades estiver instalada, ela é certificada nos EstadosUnidos em confor...

Algunos modelos de sistemas ThinkPad están equipados de fábrica con undispositivo de almacenamiento óptico, como una unidad de CD-ROM o deDVD-ROM. Estas unidades también se venden por separado como opciones. Siestá instalada alguna de dichas unidades, se certifica que en los Estados Unidoscumple los...

Important service information This chapter presents following important service information that applies to allmachine types supported by this manual: v “Strategy for replacing FRUs”– “Strategy for replacing a hard disk drive” on page 40– “Important notice for replacing a system board” on page 40– “...

Use the following strategy to prevent unnecessary expense for replacing andservicing FRUs: v If you are instructed to replace a FRU but the replacement does not correct theproblem, reinstall the original FRU before you continue . v Some computers have both a processor board and a system board. If yo...

Strategy for replacing FRUs for CTO, CMV, and GAV Product definition Dynamic Configure To Order (CTO) This provides the ability for a customer to configure an IBM ® or a Lenovo solution from an eSite, and have this configuration sent to fulfillment, where it is built andshipped directly to the custo...

v Business Partners using Eclaim will access PEW when performing Entitlement Lookup. Business Partners will enter Loc ID, MT and Serial, and the keycommodities will be returned in the Eclaim record under SYSTEM DETAILS. v Authorized IBM Business Partners can access Eclaim at the following Web site: ...

General checkout This chapter presents following information: v “What to do first” on page 44 v “Checkout guide” on page 45– “Diagnostics using PC-Doctor for DOS” on page 45– “Lenovo ThinkVantage Toolbox (Lenovo System Toolbox)” on page 48– “PC-Doctor for Rescue and Recovery” on page 48– “FRU tests”...

What to do first When you do return a FRU, you must include the following information in theparts exchange form or parts return form that you attach to it: __ 1. Name and phone number of service technician __ 2. Date of service __ 3. Date on which the machine failed __ 4. Date of purchase __ 5. Fail...

Checkout guide Use the following procedures as a guide in identifying and correcting problemswith the ThinkPad Notebook. Note: The diagnostic tests are intended to test only ThinkPad products. The use of non-ThinkPad products, prototype cards, or modified options can lead to falseindications of erro...

Testing the computer Note: The PC-Doctor diagnostic CD does not support any optical drives connected through USB devices or any others. It supports only the internal optical drive ofthe ThinkPad Notebook. To run the test, do as follows: 1. Turn off the computer. 2. Make sure that the internal optica...

The options on the test menu are as follows: Diagnostics Interactive Tests v Run Normal Test v Run Quick Test v CPU/Coprocessor v System board v Video Adapter v Serial Ports v Fixed Disks v Diskette Drives v Other Devices v Wireless LAN v Advanced Memory Tests v Keyboard v Video v Internal Speaker v...

FRU tests The following table shows the test for each FRU. Table 1. FRU tests FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard 3. Place the computer on a horizontal surface, and run Diagnostics --> ThinkPad Devices --> HDD Active Protecti...

Power system checkout To verify a symptom, do the following: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect the ac adapter. 4. Check that power is supplied when you turn on the computer. 5. Turn off the computer. 6. Disconnect the ac adapter and install the charged battery pack. 7....

Perform operational charging. If the battery status indicator or icon does not turnon, remove the battery pack and let it return to room temperature. Reinstall thebattery pack. If the charge indicator or icon still does not turn on, replace thebattery pack. If the charge indicator still does not tur...

4. Remove the backup battery (see “1130 Backup battery” on page 103). 5. Measure the voltage of the backup battery. See the following figure. Red (+) Black (-) Wire Voltage (V dc) Red +2.5 to +3.2 Black Ground v If the voltage is correct, replace the system board. v If the voltage is not correct, re...

Related service information This chapter presents following information: v “Restoring the factory contents by using Recovery Disc Set” v “Passwords” on page 56 v “Power management” on page 60 v “Symptom-to-FRU index” on page 62 Restoring the factory contents by using Recovery Disc Set When the hard ...

1. Make the CD/DVD drive the first startup device in the startup sequenceusing the following procedure: a. Press and hold down the F1 key, and then turn on the computer. When thelogo screen is displayed or if you hear repeating beeps, release the F1 key.The Setup Utility program opens. b. Use the ar...

Exception: If only an SVP is installed, the password prompt does not appear when the operating system is booted. Power-on password A power-on password (POP) protects the system from being powered on by anunauthorized person. The password must be entered before an operating systemcan be booted. For h...

After the POST ends, the password prompt does not appear. The POP has beenremoved. 5. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is known by the service technician: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enter BIOS ...

7. Type the current master HDP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice. 8. Press F10. 9. Select Yes in the Setup Configuration window. Both user HDP and master HDP will have been removed. Related service information 59

Power management To reduce power consumption, the computer has three power management modes:screen blank, sleep (standby in Windows XP), and hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires, theLCD backlight turns off. To put the computer...

Also, in either of the following events, the computer automatically returns fromsleep (standby) mode and resumes operation: v The ring indicator (RI) is signaled by a serial device or a PC Card device. v The time set on the resume timer elapses. Note: The computer does not accept any input immediate...

Symptom-to-FRU index This section contains following information: v “Numeric error codes” v “Error messages” on page 65 v “No-beep symptoms” on page 65 v “LCD-related symptoms” on page 66 v “Intermittent problems” on page 67 v “Undetermined problems” on page 67 The symptom-to-FRU index in this secti...

Error messages Table 3. Error messages Symptom or error (beeps, if any) FRU or action, in sequence Bad CRC2. Enter BIOS Setup Utility, andload Setup defaults.(two short beeps) Press F1 to enter BIOS Setup Utility. PressF9, and Enter to load the default setting.Then save the current setting by pressi...

LCD-related symptoms Table 5. LCD-related symptoms Symptom or error FRU or action, in sequence No beep, power-on indicator on, and ablank LCD during POST. System board . v LCD backlight not working. v LCD too dark. v LCD brightness cannot be adjusted. v LCD contrast cannot be adjusted. 1. Reseat the...

Intermittent problems Intermittent system hang problems can be due to a variety of causes that havenothing to do with a hardware defect, such as cosmic radiation, electrostaticdischarge, or software errors. FRU replacement should be considered only when aproblem recurs. When analyzing an intermitten...

Status indicators This chapter presents the system status indicators that show the status of thecomputer. 2 1 3 4 5 6 7 8 Table 6. Status indicators Indicator Meaning 1 Numeric lock By default, when the numeric lock is on, the indicator isdisplayed on the screen. 2 Power on Green: The computer is on...

FRU replacement notices This chapter presents notices related to removing and replacing parts. Read thischapter carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad Notebook, thisproblem is addressed with special nylon-coated screws that hav...

Retaining serial numbers This section includes the following descriptions: v “Restoring the serial number of the system unit” v “Retaining the UUID” v “Reading or writing the ECA information” on page 77 Restoring the serial number of the system unit When the computer was manufactured, the EEPROM on ...

The algorithm that generates the number is designed to provide unique IDs untilthe year A.D. 3400. No two computers in the world have the same number. When you replace the system board, you must set the UUID on the new systemboard as follows: 1. Install the LENOVO ThinkPad Hardware Maintenance Diske...

Removing and replacing a FRU This chapter presents directions and drawings for use in removing and replacing aFRU. 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. ...

1010 Battery pack Important notice for replacing a battery pack: Lenovo ThinkVantage Toolbox (in Windows 7) and Lenovo System Toolbox (inWindows Vista and Windows XP) have an automatic battery diagnostic thatdetermines if the battery pack is defective. A battery pack FRU should not bereplaced unless...

1020 ExpressCard blank bezel and Media Card blank bezel Table 9. Removal steps of ExpressCard blank bezel When you press the ExpressCard blank bezel 1 , it pops out 2 . 1 2 When installing: Make sure that the bezel is correctly oriented as shown in this figure. 82 ThinkPad SL410, L410, L412, SL510, ...

Table 10. Removal steps of Media Card blank bezel When you press the Media Card blank bezel 1 , it pops out 2 . 1 2 When installing: Make sure that the bezel is correctly oriented as shown in this figure. Removing and replacing a FRU 83

1030 Optical drive or travel cover For access, remove this FRU: v “1010 Battery pack” on page 80 Table 11. Removal steps of optical drive or travel cover 1 Step Screw (quantity) Color Torque 1 M2 × 8 mm, wafer-head, nylon-coated (1) Black 0.181 Nm(1.85 kgfcm) 3 2 84 ThinkPad SL410, L410, L412, SL510...

1040 Thermal cover For access, remove this FRU: v “1010 Battery pack” on page 80 Table 12. Removal steps of thermal cover Note: Loosen the screws 1 , but do not remove them. 1 1 1 1 1 1 2 Attention: Do not touch or apply any excessive force to the fan motor located in the slot. It might cause damage...

1050 Hard disk drive (HDD) assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1040 Thermal cover” on page 85 Table 13. Removal steps of HDD assembly 1 When installing: Make sure that the HDD connector is attached firmly. Attention: v Do not drop the drive or apply a...

1060 DIMM For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1040 Thermal cover” on page 85 Table 14. Removal steps of DIMM 1 1 2 Note: If only one DIMM 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 :...

1090 SIM slot cover For access, remove this FRU: v “1010 Battery pack” on page 80 Table 17. Removal steps of SIM slot cover Note: Loosen the screw 1 , but do not remove it. 1 2 94 ThinkPad SL410, L410, L412, SL510, L510, and L512 Hardware Maintenance Manual

1110 Palm rest assembly with cables For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1030 Optical drive or travel cover” on page 84 Table 19. Removal steps of palm rest assembly with cables 2 2 2 2 2 1 1 2 2 Step Screw (quantity) Color Torque 1 M2 × 8 mm, wafer-head, nylon...

Table 20. Installation of palm rest assembly with cables When installing: 1. Attach the cables to the system board firmly. 2. Attach the palm rest so that the two small projections of the palm rest ( a ) firmly fit into the guide holes of the keyboard bezel as shown in this figure. a a 3. Push the f...

1120 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1030 Optical drive or travel cover” on page 84 v “1110 Palm rest assembly with cables” on page 98 Table 21. Removal steps of PCI Express Mini Card for wireless LAN In step 1a and 1...

Table 21. Removal steps of PCI Express Mini Card for wireless LAN (continued) 3 When installing: Plug the gray cable into the jack labeled MAIN , and the black cable into the jack labeled AUX on the card. 102 ThinkPad SL410, L410, L412, SL510, L510, and L512 Hardware Maintenance Manual

1130 Backup battery For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1030 Optical drive or travel cover” on page 84 v “1110 Palm rest assembly with cables” on page 98 DANGER Use only the battery specified in the parts list for your computer. Any otherbattery could ignite o...

When installing the keyboard, do as follows: Table 26. Installation of the keyboard 1. Attach the connectors. 2. Attach the keyboard so that the keyboard edges are under the frame asshown in this figure. 3. To make sure that the front side of the keyboard is housed firmly, gentlypress the keys with ...

Table 28. Removal steps of LCD unit (continued) 2 2 3 When installing: Make sure that the connectors are attached firmly to the system board. Removing and replacing a FRU 113

1190 Top shielding assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1030 Optical drive or travel cover” on page 84 v “1100 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN”on page 96 v “1110 Palm rest assembly with cables” on page 98 v “1120 PCI ...

Table 30. Location of major sensitive components on the system board in ThinkPad SL410,L410, SL510, and L510 Following components soldered on the top side of the system board areextremely sensitive. When you service the system board, avoid any kind ofrough handling. a GMCH (Integrated video chip) b ...

Table 31. Location of major sensitive components on the system board in ThinkPad L412 andL512 Following components soldered on the top side of the system board areextremely sensitive. When you service the system board, avoid any kind ofrough handling. a Accelerometer chip for the HDD Active Protecti...

1210 USB connector board and USB cable assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1040 Thermal cover” on page 85 v “1050 Hard disk drive (HDD) assembly” on page 86 v “1100 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN”on page 96 v “1110 ...

Table 33. Removal steps of USB connector board and USB cable assembly (continued) Cable routing: Route the USB cable assembly as shown in these figures. For ThinkPad SL510, L510, and L512: For ThinkPad SL410, L410, and L412: 130 ThinkPad SL410, L410, L412, SL510, L510, and L512 Hardware Maintenance ...

1220 DC-in cable and base cover For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1020 ExpressCard blank bezel and Media Card blank bezel” on page 82 v “1030 Optical drive or travel cover” on page 84 v “1040 Thermal cover” on page 85 v “1050 Hard disk drive (HDD) assembly” ...

Table 34. Removal steps of DC-in cable and base cover (continued) Cable routing: Route the cable as shown in these figures. For ThinkPad SL510, L510, and L512: For ThinkPad SL410, L410, and L412: Removing and replacing a FRU 133

Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds.When you replace the base cover, you need to apply the following labels: 4 Battery word label 6 Homologation label Following labels need to be peeled off from the old base cover, a...

2040 Antenna assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 80 v “1100 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN”on page 96 v “1110 Palm rest assembly with cables” on page 98 v “1120 PCI Express Mini Card for wireless LAN” on page 101 v “1160 ...

2050 Hinges, LCD panel, LCD cable, and LCD rear cover assembly For access, remove these FRUs, in order: v “1010 Battery pack” on page 80 v “1100 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN”on page 96 v “1110 Palm rest assembly with cables” on page 98 v “1120 PCI Express Mini C...

Locations This chapter presents the location of ThinkPad SL410, L410, L412, SL510, L510, andL512 features and hardware. Front view 1 Integrated camera 2 Built-in microphone 3 Built-in stereo speakers 4 Power switch 5 AC power connector 6 ThinkVantage button 7 System status indicators Note: For the d...

Parts list This chapter contains following lists of the service parts. v “Overall” on page 148 v “LCD FRUs” on page 202 v “Keyboard” on page 214 v “Miscellaneous parts” on page 215 v “AC adapters” on page 216 v “Power cords” on page 217 v “Recovery discs” on page 218 v “Common service tools” on page...

Overall 1 2 3 4 5 8 7 6 10 9 11 12 28 27 26 23 24 25 22 21 20 19 18 17 16 15 13 14 148 ThinkPad SL410, L410, L412, SL510, L510, and L512 Hardware Maintenance Manual

LCD FRUs In ThinkPad SL410, L410, L412, SL510, L510, and L512, there are following types ofLCDs. v 14.0-inch HD LED-backlight LCD (Table 41 on page 203) v 15.6-inch HD LED-backlight LCD (Table 42 on page 207) v 15.6-inch HDx, LED-backlight LCD (Table 43 on page 212) 1 3 4 5 6 7 8 9 2 202 ThinkPad SL...

Keyboard Table 44. Parts list—Keyboard Language FRU no. CRUID Arabic 45N2288 45N2358 45N2428 N Belgian 45N2289 45N2359 45N2429 Brazilian Portuguese 45N2287 45N2357 45N2427 Bulgarian 45N2290 45N2360 45N2430 Canadian French (058) 45N2285 45N2355 45N2425 Canadian French (Acnor) 45N2284 45N2354 45N2424 ...

Miscellaneous parts Table 45. Parts list—Miscellaneous parts FRU FRU no. CRUID Screw kit (including nylon-coated screws): v M2 × 3 mm (silver), small head (35) v M2 × 4 mm (black), bind head (15) v M2 × 4 mm (black), small head (4) v M2 × 6 mm (black), bind head (25) v M2 × 3 mm tamper proof (4) v S...

AC adapters Table 46. Parts list—2-pin ac adapters FRU FRU no. CRUID 2-pin (65 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY) 42T5282 * 2-pin (65 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY) 42T4423 2-pin (65 W, 20 V) adapter (models CTO, xxE, xxF, xxJ...

Power cords A ThinkPad power cord for a specific country or region is usually available only inthat country or region: Table 48. Parts list—2-pin power cords Country or region FRU no. CRUID Argentina v models -CTO, xxY 42T5020 42T5105 * Brazil v models -CTO, xxP 42T5180 42T5183 Canada, U.S. v models...

Recovery discs Windows XP Professional (32 bit) DVDs Windows XP Professional (32 bit) is preinstalled as the operating system in thefollowing models: v 2842-CTO, 25x, 27x, 2Cx, 36x, 37x, 39x, 3Dx, 3Fx, 3Gx, 3Hx, 4Rx, 4Xx, 4Yx, 53x,54x, 55x, 56x, 57x, 5Hx, 5Jx, 5Kx, 5Lx, 6Bx, 6Ux, 6Vx, 6Zx, 72x, 73x,...

Common service tools Table 68. Parts list—Common service tools Tool P/N Screwdriver kit 95F3598 1/4 ″ drive spinner handle 1650840 1/4 ″ Sq. to 1/4 ″ hex torx adapter 93F2838 TR7-TR-10 tamper resistant torx bits 00P6967 Removal tool antenna RF connector 08K7159 USB 2.0 CD-RW/DVD-ROM combo drive II 4...

Notices Lenovo may not offer the products, services, or features discussed in thisdocument in all countries. Consult your local Lenovo representative forinformation on the products and services currently available in your area. Anyreference to a Lenovo product, program, or service is not intended to...

vary significantly. Some measurements may have been made on development-levelsystems and there is no guarantee that these measurements will be the same ongenerally available systems. Furthermore, some measurements may have beenestimated through extrapolation. Actual results may vary. Users of this d...