Lenovo ThinkPad Yoga 12 (English) Hardware Maintenance Manual - ThinkPad Yoga
Lenovo ThinkPad Yoga 12 Manual
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- Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 1
Hardware Maintenance Manual ThinkPad Yoga 12 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 2
and the product it supports, be sure to read the general information under Appendix A "Notices" on page 103. First Edition (January 2015) © Copyright Lenovo 2015. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration "GSA" contract, use - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 3
1 Safety inspection guide 2 Handling devices that are sensitive to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations 4 Chapter 2. Important service information 19 Strategy for replacing FRUs 19 Strategy for replacing a hard disk drive or a solid - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 4
Before servicing the computer 58 Disabling the built-in battery 58 1010 Lenovo OneLink connector cover . . . . . 58 1020 Base cover assembly 58 1030 Speaker assembly 60 1040 Battery 60 1050 Hard disk drive or solid-state drive . . . . 61 1060 Wireless-LAN card 65 1070 M.2 solid-state drive 67 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 5
manual This manual contains service and reference information for the following ThinkPad® products: ThinkPad Yoga® 12 Machine types (MT) 20DK and 20DL Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 6
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before you service a ThinkPad notebook computer. • "General safety" on page 1 • "Electrical safety" on page 1 • "Safety inspection guide" on working in any other conditions that might be hazardous to your eyes. • After service, reinstall all safety shields, guards, labels, and ground wires. Replace - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 8
work on working work with very high voltages; Instructions touching can cause personal injury and machine damage. • Do not service the following parts guide The purpose of this inspection guide service technicians from injury. This guide ThinkPad features or options not covered by this inspection guide - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 9
skin to eliminate static on your body. • Prevent the part from touching work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices. • Select a grounding system, such as those listed below, to provide protection that meets the specific service - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 10
- When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. You can use : • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER 4 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 11
DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 5 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 12
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PERIGO PERIGO PERIGO PERIGO Chapter 1. Safety information 7 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 14
PERIGO PERIGO PERIGO PERIGO DANGER 8 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 15
DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1. Safety information 9 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 16
DANGER VORSICHT VORSICHT VORSICHT VORSICHT 10 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 17
VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1. Safety information 11 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 18
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Chapter 1. Safety information 13 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 20
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Chapter 1. Safety information 15 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 22
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Chapter 1. Safety information 17 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 24
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fixes, drivers, and UEFI BIOS, go to http://www.lenovo.com/ThinkPadDrivers and follow the instructions on the screen. Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace a FRU but the replacement does not correct the problem - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 26
installing it on the computer you are servicing. Otherwise, the mSATA solid-state drive will not function correctly. For instructions on how to partition an mSATA solid-state drive, go tohttp://www.lenovo.com/support/msata-fru. Important notice for replacing a system board Some components mounted on - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 27
for a product, do the following: 1. Go to http://www.lenovo.com/support. 2. Click Parts & Accessories. 3. Follow the instructions on the screen to select product. 4. Click Product and Parts Detail. 5. On the PRODUCT AND PARTS DETAIL page, click Parts Detail tab to view the FRU list. Note: The FRU - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 28
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replacing a FRU only when a problem recurs replace a nondefective FRU. What to do first When you return a FRU, you must include the following information in the parts 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 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 30
programs Run the following quick test programs to troubleshoot and resolve computer problems, especially when the computer does not have the Lenovo Solution Center program installed. • Lenovo Hard Drive Quick Test • Lenovo Memory Quick Test • Lenovo Wireless Quick Test 24 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 31
program, go to http://www.lenovo.com/diags and follow the instructions on the Web site. To troubleshooting hints. 2. When the ThinkPad logo is displayed, repeatedly press and release the F10 key. The main screen of the UEFI diagnostic program is displayed. 3. Follow the instructions on the screen - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 32
and troubleshooting hints. 3. When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens, release the F12 key. 4. Use the arrow keys to select USB HDD and then press Enter. The diagnostic program launches. 5. Follow the instructions on the screen - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 33
• If the power problem occurs only when the docking station or the port replicator is used, replace the docking station or the port replicator. • If the one you are servicing. 3. If the voltage is not correct, replace the ac power adapter. 4. If the voltage is acceptable, replace the system board. - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 34
tab. • For Windows 8.1: Open the Lenovo Support program and click Battery Health, or open the Lenovo Settings program and click Power. To check whether Red Black Voltage (V dc) +2.5 to +3.2 Ground • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 35
program service diskette become available, they will be posted on http://www.lenovo.com/support Restoring the factory contents by using the product Recovery Disc Set When the main storage device is replaced because of a failure, no product recovery program is on the new drive. In this case, the - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 36
ThinkPad Setup program. Note: After restoring a drive to the factory default settings, you might need to reinstall some device drivers replacement for the Windows recovery image. With the recovery media, you can troubleshoot and fix the problems Follow the instructions on the screen to refresh Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 37
Update and recovery ➙ Recovery. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3. Select a desired startup option, then follow the instructions on the screen. Recovering your operating system if Windows 8.1 fails to start The Windows recovery environment on - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 38
to ac power. 1. Turn on or restart the computer. Before the Windows operating system starts, repeatedly press the F12 key. The Boot Menu window opens. 2. Select the recovery drive as the boot device. 3. Select a preferred language and then select a preferred keyboard layout. 4. Click Troubleshoot to - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 39
the hard disk drive. The hard disk drive can be replaced for a scheduled fee. For how to remove the hard disk password, see "How to remove the hard disk password" on page 34. Supervisor password A supervisor password protects the system information stored in the ThinkPad Setup. The user must enter - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 40
service solution would be to replace the hard disk drive or solid-state drive with a scheduled fee. To remove a user hard disk password that has been forgotten, when the supervisor password and master hard disk password are known, do the following: 1. Turn on the computer. 2. When the ThinkPad - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 41
top-right or bottom-right corner of the screen to bring up the charms. Then click RAM, VRAM, and setup data are stored on the hard disk drive or solid-state drive. • The system is powered off. Note: If the computer enters the hibernation mode while it is docked to the docking station or the port - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 42
descriptions of symptoms. If the symptom is not described there, go to "Intermittent problems" on page 39. Note: For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for that device. Numeric error codes Table 2. Numeric error codes Symptom or error - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 43
hard disk drive. 3. Replace the system board. The M.2 SATA device is not working. Have the M.2 SATA device serviced. Replace the system board. Replace the system board. Error messages Table 3. Error messages Symptom or error Fan error. Thermal sensing error. This system does not support batteries - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 44
. FRU or action, in sequence 1. Ensure that every connector is connected tightly and correctly. 2. Replace the system board. 1. Replace the system board. A power-on password or a supervisor password is set. Type the password and press Enter. A hard disk password is set. Type the password and press - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 45
-ThinkPad devices b. Devices attached to the docking station or the port replicator c. Printer, mouse, and other external devices d. Battery e. Hard disk drive or solid-state drive f. External diskette drive or optical drive g. PC cards 4. Turn on the computer. 5. Determine whether the problem has - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 46
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Chapter 5. Status indicators This chapter presents the status indicators that show the status of the computer. 2 3 4 1 5 6 © Copyright Lenovo 2015 41 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 48
is in use. Off: The computer is off or in hibernation mode. Slow blinking: The computer is in sleep mode. Fast blinking: The computer is entering sleep or hibernation mode. 42 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 49
turn off your computer, the sound will remain muted when you turn on your computer again. To turn Fn Lock function is enabled: The Fn Lock indicator turns on. To input F1F12, press the corresponding function Controls the keyboard backlight. + There are three modes for the keyboard backlight: Off, Low - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 50
Description Fn+B Has the same function as the Break key on a conventional keyboard. Fn+P Has the same function as the Pause key on a conventional keyboard. Fn+S Has the same function as the SysRq key on a conventional keyboard. Fn+K Has the same function as the ScrLK key on a conventional - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 51
control buttons 11 Tablet Digitizer Pen (on some models) 13 TrackPoint buttons 15 TrackPoint® pointing stick 17 Multi-touch screen 2 Microphones 4 Security-lock slot 6 USB 3.0 connector 8 Screen rotation lock button 10 Power button 12 System-status indicator1 14 ThinkPad trackpad 16 Windows® button - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 52
entering hibernation mode. Rear view 6 1 2 3 45 1 Fan louvers 3 Lenovo OneLink connector 5 Audio connector 2 ac power connector 4 Always On USB 3.0 connector 6 System-status indicator1 1: The indicator in the ThinkPad : The computer is entering hibernation mode. 46 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 53
electronic version of this manual can be found at http://www.lenovo.com/support. Click Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the defective part that is replaced by the CRU. When return is required: (1) return - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 54
51 d Brackets of the dc-in connector, see "Miscellaneous parts and No other FRUs" on page 51 1 LCD unit No 2 Keyboard bezel assembly No 3 Digitizer pen (on some models) Yes 4 Hard-disk-drive/buttons cable No 5 Hard-disk-drive/buttons card No Optional service CRU No No No No No No No No - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 55
fan assembly 7 System board 8 Speaker assembly 9 Hard disk drive or solid-state drive 10 Base cover assembly 11 Battery 12 Coin-cell battery 13 Wireless-LAN card 14 M.2 solid-state drive 15 P sensor 16 Lenovo OneLink connector cover 17 Keyboard 18 TrackPoint cap Self-service CRU No No No No No No - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 56
parts and other FRUs" on page 51 No 1 LCD panel or LCD panel with digitizer board No 2 Camera/microphone card No 3 Sensor card No 4 LCD hinges No 5 LCD cable assembly No 6 Wireless-LAN antennas kit No Optional service CRU No No No No No No No No 50 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 57
for the hard disk drive (silver, 4) • Screw M2.5 x L3 x D4.6 for the keyboard hinge brackets (black, 4) • Screw M2 x L4 x D4.6 for the system board (silver, 13) • Screw M2 x L2.5 x D4 for the keyboard (silver, 14) Table 12. Other FRUs FRU descriptions ac power adapter Power cord Self-service CRU No - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 58
Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup 52 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 59
electronic version of this manual can be found at http://www.lenovo.com/support. Click Guides & Manuals and then follow the on-screen instructions to find the manual for your product. You might be required to return the defective part that is replaced by the CRU. When return is required: (1) return - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 60
Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site. 3. Restart the computer. 4. When the logo - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 61
Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance key. Note: Only an authorized Lenovo service technician can access the above Web site. 3. Restart the computer. 4. When the logo - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 62
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This chapter provides instructions on how to remove or replace a FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, called a "Customer Replaceable Unit" or "CRU." Some CRUs are designated as self-service CRUs and others - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 64
battery Before replacing any FRU, ensure that you have disabled the built-in battery by doing the following: 1. Turn off your computer and disconnect the ac power adapter and all cables from the computer. 2. Turn on your computer. Press F1 to enter ThinkPad Setup when the ThinkPad logo is displayed - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 65
) M2 × 5 mm, flat-head, nylon-coated (10) Color Black Torque 0.181 Nm (1.85 kgf-cm) Applying labels to the base cover assembly The new base cover assembly FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover assembly. For the labels that - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 66
Microsoft label (for Windows 8.1) 8 Hard disk drive warranty labe 10 WLAN label 1030 Speaker for replacing a battery Attention: Lenovo has The Lenovo Solution should not be replaced unless this issue. If the Lenovo Solution Center program is replaced. Note that the replacement of - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 67
Silver Torque 0.181 Nm (1.85 kgf-cm) 1050 Hard disk drive or solid-state drive For access, remove this FRU: • "1020 Base 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 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 68
For models without a digitizer pen Removal steps of the hard disk drive or solid-state drive 1 1 Step 1 Screw (quantity) M2 × 4 mm, flat-head, nylon-coated (2) 2 Color Silver Torque 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the hard disk drive or solid-state drive is firmly attached - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 69
Removal steps of the hard disk drive bracket or solid-state drive bracket 1 1 1 1 Step 1 Screw (quantity) M3 × 3 mm, flat-head, nylon-coated (4) Color Silver Torque 0.392 Nm (4.0 kgf-cm) 2 Chapter 9. Removing or replacing a FRU 63 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 70
For models with a digitizer pen Removal steps of the hard disk drive or solid-state drive 1 1 Step 1 Screw (quantity) M2 × 4 mm, flat-head, nylon-coated (2) 2 Color Silver Torque 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the hard disk drive or solid-state drive is firmly attached. - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 71
FRU: • "1020 Base cover assembly" on page 58 Removal steps of the wireless-LAN card 2 2 1 Step 2 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) Color Black Torque 0.181 Nm (1.85 kgf-cm) Chapter 9. Removing or replacing a FRU 65 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 72
the cables to be damaged by the cable guides, or a wire to be broken. Notes: 1. Plug the gray cable into the connector labeled MAIN or 1 on the card; and plug the black cable into the connector labeled AUX or 2 is a gap between the wireless-LAN cables and the hinge. 66 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 73
that you partition the M.2 solid-state drive after installing it on the computer you are servicing. Otherwise, the M.2 solid-state drive will not function correctly. For instructions on how to partition an M.2 solid-state drive, go to: http://www.lenovo.com/support/msata-fru Chapter 9. Removing or - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 74
-head, nylon-coated (1) Color Black 2 Torque 0.181 Nm (1.85 kgf-cm) 1080 Hard-disk-drive/buttons card and hard-disk-drive/buttons cable For access, remove these FRUs: • "1020 Base cover assembly" on page 58 • "1050 Hard disk drive or solid-state drive" on page 61 68 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 75
/buttons card 1 3 2 4 Step 3 Screw (quantity) M2 × 4 mm, flat-head, nylon-coated (1) Removal steps of the hard-disk-drive/buttons cable 3 5 4 2 1 Color Silver Torque 0.181 Nm (1.85 kgf-cm) 1090 P sensor For access, remove these FRUs in order: • "1020 Base cover assembly" on page - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 76
m (6 inches) so that it falls flat on a hard bench can subject bench top that has a hard surface, such as metal, Hard disk drive or solid-state drive" on page 61 • "1060 Wireless-LAN card" on page 65 • "1070 M.2 solid-state drive" on page 67 • "1080 Hard-disk-drive/buttons card and hard-disk-drive - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 77
Microprocessor a , which is soldered on the system board, is extremely sensitive. When you service the system board, avoid any kind of rough handling. a Removal steps of the system board 1. Detach the connectors. 2 1 15 16 4 3 14 12 11 13 6 5 7 9 8 10 Chapter 9. Removing or replacing a FRU 71 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 78
Silver Torque 0.392 Nm (4.0 kgf-cm) 0.181 Nm (1.85 kgf-cm) 19 19 20 Color Silver Torque 0.181 Nm (1.85 kgf-cm) 72 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 79
4. Release the coin-cell battery from the keyboard 21 22 , then lift the system board from the left side 23 , and then remove the system board. 23 the LCD cable from the hinge. 3 2 2 2 1 • Ensure that you correctly route the coin-cell battery cable shown. Chapter 9. Removing or replacing a FRU 73 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 80
" on page 58 • "1030 Speaker assembly" on page 60 • "1040 Battery" on page 60 • "1050 Hard disk drive or solid-state drive" on page 61 • "1060 Wireless-LAN card" on page 65 • "1070 M.2 solid-state drive" on page 67 • "1100 System board" on page 70 DANGER Use only the authorized battery specified for - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 81
: • "1020 Base cover assembly" on page 58 • "1030 Speaker assembly" on page 60 • "1040 Battery" on page 60 • "1050 Hard disk drive or solid-state drive" on page 61 • "1060 Wireless-LAN card" on page 65 • "1070 M.2 solid-state drive" on page 67 • "1100 System board" on page 70 Chapter 9. Removing or - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 82
Always wear fingerstalls when handling the thermal fan assembly. Do not touch or hold any part of the thermal fan assembly with bare fingers. • Before you on the part marked a as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 83
connector is attached firmly. • Replace the thermal fan assembly if Hard disk drive or solid-state drive" on page 61 • "1060 Wireless-LAN card" on page 65 • "1070 M.2 solid-state drive" on page 67 • "1100 System board" on page 70 Removal steps of the keyboard assembly Note: Do not touch the keyboard - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 84
1. Pivot the LCD unit to the position as shown 1 , then release the LCD cable and the wireless-LAN cables 2 . 2 2 2 1 2 2 78 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 85
screws. 4 4 3 3 3 3 3 3 3 3 3 3 4 4 Step 3 4 Screw (quantity) M2 × 2.5 mm, flat-head, nylon-coated (10) M2 × 1.7 mm, flat-head, nylon-coated (4) 3. Lift the keyboard assembly and remove it 5 . Color Silver Silver Torque 0.181 Nm (1.85 kgf-cm) 0.181 Nm (1.85 kgf-cm) 5 Chapter 9. Removing - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 86
4. Remove the dc-in bracket 6 . 6 Installation steps of the keyboard assembly To install the keyboard assembly, do the following: Note: Ensure that you install the keyboard assembly from the left side first. 80 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 87
1. Install the dc-in bracket 1 . 1 2. Install the left side of the keyboard assembly under the left hinge 2 . 2 Chapter 9. Removing or replacing a FRU 81 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 88
3. Install the hook on the left side of the keyboard assembly to the left-hinge pin 3 . 3 4. Install the hook on the right side of the keyboard assembly to the right-hinge pin 4 . Then install the right side of the keyboard assembly under the right hinge 5 . 4 5 82 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 89
state drive" on page 67 • "1080 Hard-disk-drive/buttons card and hard-disk-drive/buttons cable" on page 68 • "1090 P sensor" on page 69 • "1130 Keyboard assembly" on page 77 Removal steps of the keyboard bezel assembly and the LCD unit 1. Remove the screws 1 . Chapter 9. Removing or replacing a FRU - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 90
1 1 1 Step 1 Screw (quantity) M2.5 × 4 mm, flat-head, nylon-coated (3) Color Black 2. Pivot the LCD unit as shown 2 , and then remove the LCD unit 3 . 3 Torque 0.392 Nm (4.0 kgf-cm) 2 When installing: Ensure that you route the cables - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 91
: When you route the cables, ensure 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. 2010 LCD bezel assembly Removal steps of the LCD bezel assembly 1 1 Step 1 Screw Cap Screw (quantity) M2.5 x 4 mm, wafer-head - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 92
2 2 2 2 2 2020 Windows home-button board Removal steps of the Windows home-button board • "1140 Keyboard bezel assembly and the LCD unit" on page 83 • "2010 LCD bezel assembly" on page 85 86 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 93
(quantity) M2 × 2.5 mm, flat-head, nylon-coated (1) Color Black 2030 LCD hinges For access, remove these FRUs in order: • "1140 Keyboard bezel assembly and the LCD unit" on page 83 • "2010 LCD bezel assembly" on page 85 Torque 0.181 Nm (1.85 kgf-cm) Chapter 9. Removing or replacing a FRU 87 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 94
of the LCD hinges 1. Remove the screws 1 , and then remove the LCD hinges 2 . 1 1 1 1 2 2 Step 1 Screw (quantity) M2.5 × 3 mm, wafer-head, nylon-coated (4) Color Black 2. Remove the LCD-hinge rubber clips with the cables from the LCD hinges 3 . Torque 0.392 Nm (4.00 kgf-cm) 3 3 88 Hardware - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 95
hinge rubber clips vary by model. For models with a digitizer pen, use A-L/A-R LCD hinges and A-L/A-R rubber clips. For models without a digitizer pen, use B-L/B-R LCD hinges and B-L/B-R rubber clips. While installing install the LCD hinges, do the following: Chapter 9. Removing or replacing a FRU 89 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 96
1. Note the orientations of the rubber clips. Install the rubber clips to the cables as shown 1 . 1 1 2. Install the cables with rubber clips to the LCD hinges 2 . Note: Ensure that the LCD hinges and rubber clips are the correct type and are paired correctly. 2 2 90 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 97
the cable-routing tool a to push each rubber clips to the position as shown 3 . 7 mm a (0.28 inch) 3 4. For each hinge, pull the cables with 50g strength in the direction as shown 4 . If the step until the two rubber clips cannot be easily pulled out. 4 4 Chapter 9. Removing or replacing a FRU 91 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 98
5. Install the screws 5 to secure the LCD hinges. 5 5 5 5 Step 5 Screw (quantity) M2.5 × 3 mm, wafer-head, nylon-coated (4) Color Black Torque 0.392 Nm (4.00 kgf-cm) 6. Use the cable-routing tool a to push the rubber clips 6 again to ensure that the rubber clips are correctly - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 99
to the keyboard bezel assembly. Then, check the rubber clips. the hinges, remove the keyboard bezel assembly and reinstall out of the hinges, remove the keyboard bezel assembly and reinstall the rubber clips access, remove these FRUs in order: • "1140 Keyboard bezel assembly and the LCD unit" on page 83 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 100
3 3 3 3 1 2 Step 3 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (4) Color Black Torque 0.181 Nm (1.85 kgf-cm) 5 5 44 44 4 4 4 44 44 94 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 101
FRUs in order: • "1140 Keyboard bezel assembly and the LCD unit" on page 83 • "2010 LCD bezel assembly" on page 85 • "2030 LCD hinges" on page 87 • "2040 LCD panel" on page 93 Removal steps of the camera and microphone assembly For models without a digitizer pen, the camera/microphone assembly is - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 102
2 1 For models with a digitizer pen, the camera/microphone assembly is on the back side of the LCD panel. 2 1 When installing: Ensure that the connector is attached firmly. 96 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 103
card For access, remove these FRUs in order: • "1140 Keyboard bezel assembly and the LCD unit" on page 83 • " of the sensor card 2 1 2070 LCD cable assembly For access, remove these FRUs in order: • "1140 Keyboard bezel assembly and the LCD unit" on page 83 • "2010 LCD bezel assembly" on page 85 • " - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 104
Removal steps of the LCD cable assembly 2 1 3 4 4 4 4 2080 Camera/microphone cable or camera/digitizer/microphone cable For access, remove these FRUs in order: • "1140 Keyboard bezel assembly and the LCD unit" on page 83 • "2010 LCD bezel assembly" on page 85 • "2030 LCD hinges" on page 87 • "2040 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 105
Removal steps of the camera/microphone cable The camera/microphone cable is available only on computer models that do not have a digitizer pen. The cable is secured on the LCD bezel. 1 2 2 2 2 2 Chapter 9. Removing or replacing a FRU 99 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 106
digitizer pen. The cable is secured on the back side of the LCD panel. 2 1 4 3 5 5 5 5 5 5 2090 Wireless-LAN antenna kit and LCD rear-cover assembly For access, remove these FRUs in order: • "1140 Keyboard cable or camera/digitizer/microphone cable" on page 98 100 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 107
: When you route the cables, ensure 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 9. Removing or replacing a FRU 101 - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 108
a b Antenna locations a Wireless-LAN main antenna (gray) b Wireless-LAN auxiliary antenna (black) 102 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 109
or service. Lenovo may improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time without notice. The products described in this document are not intended for use in implantation or other life support not part of the materials for this Lenovo product - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 110
Lenovo in the United States, other countries or both: Lenovo ThinkPad TrackPoint Yoga Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies. Other company, product, or service names may be the trademarks or service marks of others. 104 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 111
following table lists all abbreviations used in this manual. Abbreviation BGA BIOS CD CMOS COA CPU CRC CRT CRU CTO ray tube Customer Replaceable Unit Configure To Order Direct current Digital Video Disc Enhanced Field Replaceable Unit General Announce Variant Graphics Processing Unit Hard Disk Drive - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 112
Abbreviation PCH POST RAM RF RFID RI RJ SATA SIM SVP TFTs UEFI USB UUID VRAM Term Platform Controller Hub Power-on self-test Thin-film transistors Unified Extensible Firmware Interface Universal Serial Bus Universally Unique Identifier Video Random Access Memory 106 Hardware Maintenance Manual - Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 113
- Lenovo ThinkPad Yoga 12 | (English) Hardware Maintenance Manual - ThinkPad Yoga - Page 114
Part Number: SP40A27258 Printed in China (1P) P/N: SP40A27258 *1PSP40A27258*
Hardware Maintenance Manual
ThinkPad Yoga 12