Hardware Maintenance Manual
Page 4
Notices 175 Electronic emissions notices 176 Trademarks 177 ii ThinkPad T420 and T420i Hardware Maintenance Manual Locations 129 Front view 129 Rear view 131 Bottom view 132 Chapter 10. Parts list 133 Overall 134 LCD FRUs ... 1200 Magnesium structure frame 110 1210 System board and ExpressCard slot assembly 112 1220 mSATA solid state drive 114 2010 LCD bezel assembly 116 2020 LED board 117 2030 Integrated camera 119 2040 LCD panel and LCD cable 121 2050 Camera cable 123 2060 Wireless LAN antenna assembly or wireless LAN...
Notices 175 Electronic emissions notices 176 Trademarks 177 ii ThinkPad T420 and T420i Hardware Maintenance Manual Locations 129 Front view 129 Rear view 131 Bottom view 132 Chapter 10. Parts list 133 Overall 134 LCD FRUs ... 1200 Magnesium structure frame 110 1210 System board and ExpressCard slot assembly 112 1220 mSATA solid state drive 114 2010 LCD bezel assembly 116 2020 LED board 117 2030 Integrated camera 119 2040 LCD panel and LCD cable 121 2050 Camera cable 123 2060 Wireless LAN antenna assembly or wireless LAN...
Hardware Maintenance Manual
Page 123
2020 LED board For access, remove these FRUs in order: • "1010 Battery pack" on page 67 • "2010 LCD bezel assembly" on page 116 Removal steps of LED board 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) Color Black Torque 0.181 Nm (1.85 kgfcm) Chapter 8. Removing and replacing a FRU 117
2020 LED board For access, remove these FRUs in order: • "1010 Battery pack" on page 67 • "2010 LCD bezel assembly" on page 116 Removal steps of LED board 1 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) Color Black Torque 0.181 Nm (1.85 kgfcm) Chapter 8. Removing and replacing a FRU 117
Hardware Maintenance Manual
Page 127
... 87 • "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 Removal steps of the panel or apply any excessive force to the cover, gently...
... 87 • "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 Removal steps of the panel or apply any excessive force to the cover, gently...
Hardware Maintenance Manual
Page 129
... 87 • "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 • "2040 LCD panel and LCD cable" on page 121 Removal steps of camera...
... 87 • "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 • "2040 LCD panel and LCD cable" on page 121 Removal steps of camera...
Hardware Maintenance Manual
Page 130
...8226; "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 • "2040 LCD panel and LCD cable" on page 121 • "2050 Camera cable...or wireless LAN/WAN antenna assembly 2 2 2 2 1 1 1 1 1 1 1 1 When installing: When you route the cables, make sure that they are not subjected to be broken. 124 ThinkPad T420 and T420i Hardware Maintenance Manual Tension could cause the cables to be damaged by the cable guides, or a wire to any tension.
...8226; "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 • "2040 LCD panel and LCD cable" on page 121 • "2050 Camera cable...or wireless LAN/WAN antenna assembly 2 2 2 2 1 1 1 1 1 1 1 1 When installing: When you route the cables, make sure that they are not subjected to be broken. 124 ThinkPad T420 and T420i Hardware Maintenance Manual Tension could cause the cables to be damaged by the cable guides, or a wire to any tension.
Hardware Maintenance Manual
Page 132
Torque 0.392 Nm (4.0 kgfcm) 126 ThinkPad T420 and T420i Hardware Maintenance Manual 2070 Hinges and LCD rear cover assembly For access, remove these FRUs in order: • "1010 Battery pack" on page ... 87 • "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 • "2040 LCD panel and LCD cable" on page 121 • "2050 Camera cable...
Torque 0.392 Nm (4.0 kgfcm) 126 ThinkPad T420 and T420i Hardware Maintenance Manual 2070 Hinges and LCD rear cover assembly For access, remove these FRUs in order: • "1010 Battery pack" on page ... 87 • "1150 Speaker assembly" on page 95 • "1160 LCD unit" on page 97 • "2010 LCD bezel assembly" on page 116 • "2020 LED board" on page 117 • "2030 Integrated camera" on page 119 • "2040 LCD panel and LCD cable" on page 121 • "2050 Camera cable...
Hardware Maintenance Manual
Page 163
...; 4178-CTO • 4179-CTO • 4180-CTO • 4236-CTO • 4237-CTO • 4238-CTO 04W1614 3 LCD module, 14.0-inch HD (1366 x 768) LED backlight Anti-Glare Display 93P5691 • 4177-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 93P5687 2Hx..., PPx, PQx, PTx, PXx, Q2x, Q6x, Q7x, Q8x, Q9x, QAx, QCx, QFx • 4237-CTO • 4238-CTO 3 LCD module, 14.0-inch HD+ (1600 x 900) LED backlight Anti-Glare Display 93P5693 • 4177-CTO, 22x, 2Kx, 2Lx, 2Nx, 2Px, 2Qx, 2Yx, 35x, 37x, 38x, Q4x, Q8x, QBx, QHx, 93P5689 QKx, QVx...
...; 4178-CTO • 4179-CTO • 4180-CTO • 4236-CTO • 4237-CTO • 4238-CTO 04W1614 3 LCD module, 14.0-inch HD (1366 x 768) LED backlight Anti-Glare Display 93P5691 • 4177-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 93P5687 2Hx..., PPx, PQx, PTx, PXx, Q2x, Q6x, Q7x, Q8x, Q9x, QAx, QCx, QFx • 4237-CTO • 4238-CTO 3 LCD module, 14.0-inch HD+ (1600 x 900) LED backlight Anti-Glare Display 93P5693 • 4177-CTO, 22x, 2Kx, 2Lx, 2Nx, 2Px, 2Qx, 2Yx, 35x, 37x, 38x, Q4x, Q8x, QBx, QHx, 93P5689 QKx, QVx...
Hardware Maintenance Manual
Page 164
... (continued) No. FRU FRU no. • 4237-CTO • 4238-CTO 4 Hinges 04W1610 04W1612 04W1611 5 Wireless antenna set 04W1615 04W1616 6 LCD rear cover assembly 04W1608 7 LED cable with camera bracket 04W1619 8 LCD cable (for 14.0-inch HD LCD module) 04W1617 • 4177-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 29x..., LBx, LQx, LZx, M8x, MBx, MDx, MEx, MFx, MHx, MJx, MKx, MMx, MPx, MQx, MRx, MSx, MYx, MZx, N2x, N5x, N7x, N8x, CRU ID N N N N N 158 ThinkPad T420 and T420i Hardware Maintenance Manual
... (continued) No. FRU FRU no. • 4237-CTO • 4238-CTO 4 Hinges 04W1610 04W1612 04W1611 5 Wireless antenna set 04W1615 04W1616 6 LCD rear cover assembly 04W1608 7 LED cable with camera bracket 04W1619 8 LCD cable (for 14.0-inch HD LCD module) 04W1617 • 4177-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 29x..., LBx, LQx, LZx, M8x, MBx, MDx, MEx, MFx, MHx, MJx, MKx, MMx, MPx, MQx, MRx, MSx, MYx, MZx, N2x, N5x, N7x, N8x, CRU ID N N N N N 158 ThinkPad T420 and T420i Hardware Maintenance Manual
Hardware Maintenance Manual
Page 165
Table 10. Parts list 159 N9x, NAx, NBx, NEx, NFx, PGx, PNx, PRx, PSx, PUx, PVx, PWx, PYx, PZx, Q3x, Q4x, Q5x, QDx • 4236-CTO, 63x, 65x, MBx, N4x, N6x, N7x, N8x, N9x, NAx, NBx, NEx, NFx, NGx, NHx, NNx, NSx, NTx, NVx, P2x, PFx, PGx, PKx, PMx, PNx, PRx • 4237-CTO • 4238-CTO 9 LED sub card 04W1370 10 Clear plate kit 04W1620 CRU ID N N Chapter 10. FRU FRU no. Parts list-LCD FRUs (continued) No.
Table 10. Parts list 159 N9x, NAx, NBx, NEx, NFx, PGx, PNx, PRx, PSx, PUx, PVx, PWx, PYx, PZx, Q3x, Q4x, Q5x, QDx • 4236-CTO, 63x, 65x, MBx, N4x, N6x, N7x, N8x, N9x, NAx, NBx, NEx, NFx, NGx, NHx, NNx, NSx, NTx, NVx, P2x, PFx, PGx, PKx, PMx, PNx, PRx • 4237-CTO • 4238-CTO 9 LED sub card 04W1370 10 Clear plate kit 04W1620 CRU ID N N Chapter 10. FRU FRU no. Parts list-LCD FRUs (continued) No.
Hardware Maintenance Manual
Page 168
...; Insulation sheet - left speaker EMI spring • Bracket - touchpad 162 ThinkPad T420 and T420i Hardware Maintenance Manual FRU no. 04W1605 CRU ID N 04W1602 N 04W1603 N system board • Insulation sheet - touchpad • ThinkPad logo • Bracket - Miscellaneous parts Table 12. battery connector • Lens, LED (RJ-45) • Knob, wireless switch • Lever, wireless switch...
...; Insulation sheet - left speaker EMI spring • Bracket - touchpad 162 ThinkPad T420 and T420i Hardware Maintenance Manual FRU no. 04W1605 CRU ID N 04W1602 N 04W1603 N system board • Insulation sheet - touchpad • ThinkPad logo • Bracket - Miscellaneous parts Table 12. battery connector • Lens, LED (RJ-45) • Knob, wireless switch • Lever, wireless switch...
Hardware Maintenance Manual
Page 169
...; Stopper - Parts list-Miscellaneous parts (continued) FRU • Insulation sheet - docking • Insulation sheet - LCD rear cover • ThinkPad logo • Lenovo logo • LCD latch - upper right • Stopper - DDR • Insulation sheet - MB • Insulation sheet - LCD front...LCD rear cover • LED lens - lower right • Stopper - System board miscellaneous parts: • Insulation sheet - LCD front bezel • Shield - express card • Insulation sheet - center • Sponge - LCD front bezel • LED lens - DC-in "...
...; Stopper - Parts list-Miscellaneous parts (continued) FRU • Insulation sheet - docking • Insulation sheet - LCD rear cover • ThinkPad logo • Lenovo logo • LCD latch - upper right • Stopper - DDR • Insulation sheet - MB • Insulation sheet - LCD front...LCD rear cover • LED lens - lower right • Stopper - System board miscellaneous parts: • Insulation sheet - LCD front bezel • Shield - express card • Insulation sheet - center • Sponge - LCD front bezel • LED lens - DC-in "...
(English) User Guide
Page 16
...of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. The headphone output connector of your Lenovo computer came with EN 50332-2 Sub clause 7. If your computer complies with headphones or earphones in Australia: xiv User Guide ...sound pressure levels. Using headphones or earphones If your hands, immediately wash the affected areas with mercury-containing fluorescent lamps (i.e., non-LED) • The fluorescent lamp in hazardous radiation exposure. Liquid crystal display (LCD) notice CAUTION: For products with water for at...
...of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. The headphone output connector of your Lenovo computer came with EN 50332-2 Sub clause 7. If your computer complies with headphones or earphones in Australia: xiv User Guide ...sound pressure levels. Using headphones or earphones If your hands, immediately wash the affected areas with mercury-containing fluorescent lamps (i.e., non-LED) • The fluorescent lamp in hazardous radiation exposure. Liquid crystal display (LCD) notice CAUTION: For products with water for at...
(English) User Guide
Page 115
... the instructions on page 21. 3. Enrolling your finger over the reader, do as those involving fingerprint authentication. LED behavior of Client Security Solution from the Lenovo Web site. The fingerprint could not be installed. For more advanced security, Client Security Solution can replace passwords ...it . To start the computer, log on to the system, and enter the ThinkPad Setup by swiping your finger over the reader To swipe your fingerprint 1. For details, refer to swipe. LED is compatible with a variety of user authentication mechanisms, such as follows: Chapter ...
... the instructions on page 21. 3. Enrolling your finger over the reader, do as those involving fingerprint authentication. LED behavior of Client Security Solution from the Lenovo Web site. The fingerprint could not be installed. For more advanced security, Client Security Solution can replace passwords ...it . To start the computer, log on to the system, and enter the ThinkPad Setup by swiping your finger over the reader To swipe your fingerprint 1. For details, refer to swipe. LED is compatible with a variety of user authentication mechanisms, such as follows: Chapter ...
(English) User Guide
Page 206
... enabled will not be able to the factory state (ex. if you select "Disabled", Security Chip is hidden and is not functional. Power-on security, LEDs, etc.) As a result, any power-on password or a supervisor password; Security menu items (continued) Password Authentication • Disabled • Enabled Reset Fingerprint Data • Enter...
... enabled will not be able to the factory state (ex. if you select "Disabled", Security Chip is hidden and is not functional. Power-on security, LEDs, etc.) As a result, any power-on password or a supervisor password; Security menu items (continued) Password Authentication • Disabled • Enabled Reset Fingerprint Data • Enter...
(Traditional Chinese) User Guide
Page 102
Enter F10 Setup Confirmation Yes。 Client Security Solution Windows 7 Client Security Solution Lenovo Client Security Solution Client Security Solution http://www.lenovo.com/support ThinkPad Setup Client Security Solution Windows 7 Client Security Solution。 1 2 Lenovo Fingerprint Software 20頁 『Fingerprint Software』。 3 LED 行為 表格 7 LED LED LED LED 86
Enter F10 Setup Confirmation Yes。 Client Security Solution Windows 7 Client Security Solution Lenovo Client Security Solution Client Security Solution http://www.lenovo.com/support ThinkPad Setup Client Security Solution Windows 7 Client Security Solution。 1 2 Lenovo Fingerprint Software 20頁 『Fingerprint Software』。 3 LED 行為 表格 7 LED LED LED LED 86
(Traditional Chinese) User Guide
Page 184
...; 254 秒。 0 60 255 選取 AMT Intel AMT 註解 160頁 『Security 79 External ➙ Internal Internal Only Normal High High LED Fingerprint Software 168 Config CIRA Timeout 0-255 Console Type • PC-ANSI • VT100+ • VT-UTF8 Security 表格 9.
...; 254 秒。 0 60 255 選取 AMT Intel AMT 註解 160頁 『Security 79 External ➙ Internal Internal Only Normal High High LED Fingerprint Software 168 Config CIRA Timeout 0-255 Console Type • PC-ANSI • VT100+ • VT-UTF8 Security 表格 9.
(Japanese) User Guide
Page 17
危険 UL (Underwriters Laboratories) または CSA (Canadian Standards Association No.26 AWG No.24 AWG ThinkPad ThinkPad CD-ROM、DVD Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure. 危険 3A 3B Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. LCD LED LCD © Copyright Lenovo 2011 xv
危険 UL (Underwriters Laboratories) または CSA (Canadian Standards Association No.26 AWG No.24 AWG ThinkPad ThinkPad CD-ROM、DVD Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure. 危険 3A 3B Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. LCD LED LCD © Copyright Lenovo 2011 xv
(Japanese) User Guide
Page 118
ThinkPad 2. Lenovo Fingerprint Software 21 3 LED の動作 表 7. Fingerprint Reader の LED LED LED LED 100 • 「Setup Confirmation Yes 「Security Chip Client Security Solution 注：Windows 7 Client Security Solution Security Chip Lenovo Web Client Security Solution Client Security Solution http://www.lenovo.com/support ThinkPad ThinkPad Setup Client Security Solution Client Security Solution 注：Windows 7 Client Security Solution 1.
ThinkPad 2. Lenovo Fingerprint Software 21 3 LED の動作 表 7. Fingerprint Reader の LED LED LED LED 100 • 「Setup Confirmation Yes 「Security Chip Client Security Solution 注：Windows 7 Client Security Solution Security Chip Lenovo Web Client Security Solution Client Security Solution http://www.lenovo.com/support ThinkPad ThinkPad Setup Client Security Solution Client Security Solution 注：Windows 7 Client Security Solution 1.
(Japanese) User Guide
Page 212
表 9. 「Security Fingerprint Predesktop Authentication • Disabled • Enabled Reader Priority • External ➙ Internal • Internal Only Security Mode • Normal • High Password Authentication • Disabled • Enabled Reset Fingerprint Data • Enter 「External」 ➙ 「Internal Fingerprint Reader Internal Only ThinkPad Normal High Security mode」で 「High Fingerprint Reader LED Fingerprint Software 194
表 9. 「Security Fingerprint Predesktop Authentication • Disabled • Enabled Reader Priority • External ➙ Internal • Internal Only Security Mode • Normal • High Password Authentication • Disabled • Enabled Reset Fingerprint Data • Enter 「External」 ➙ 「Internal Fingerprint Reader Internal Only ThinkPad Normal High Security mode」で 「High Fingerprint Reader LED Fingerprint Software 194
