Lenovo Yoga 2-851 (English) Hardware Maintenance Manual - Yoga Tablet 2 851
Lenovo Yoga 2-851 Manual
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- Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 1
YOGA TABLET 2 Hardware Maintenance Manual YOGA Tablet 2-851F - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 2
using this information and the product it supports, be sure to read the general information under "Notices" on page 83. First Edition (Sep 2014) © Copyright Lenovo 2014. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 3
Checking the Computer AC Charger....... 21 Checking the internal battery status......... 22 Related service information 23 Security 23 Power management 23 Activating/Deactivating the Display ........ 23 Lenovo 851 24 Specifications 24 FRU replacement notices 26 Screw notices 26 Removing and - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 4
• Lenovo 851 (WiFi version) 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 section includes service, reference - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 5
the following safety information that you need to get familiar with before you service a Lenovo computer: • "General safety" on page 2 • "Electrical safety" on page 3 • "Safety inspection guide" on page 5 • "Handling devices that are sensitive to electrostatic discharge" on page 6 • "Grounding - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 6
Lenovo 851 Hardware Maintenance Manual General safety Follow these rules below to ensure general safe place, keeping them away from all personnel, while you are servicing the machine. • Keep your toolcase away from walk areas so that other people will not trip it over. • Do not wear loose clothing - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 7
working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft the special safety precautions when you work with very high voltages; instructions for these precautions are in the safety sections of maintenance information. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 8
Lenovo 851 Hardware Maintenance Manual • Always look carefully for possible hazards in your work The surface is conductive; such touching can cause personal injury and machine damage. • Do not service the following parts with the power on when they are removed from their normal operating places in - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 9
safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 10
Lenovo 851 Hardware Maintenance Manual they are inserted into the product. • Avoid contact with other people. • Wear a grounded wrist strap against your skin to eliminate as those listed below, to provide protection that meets the specific service requirement. Notes: The use of a grounding system to - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 11
Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 12
Lenovo 851 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 13
, veillez à n'utiliser que les modèles cités dans la liste de pièces détachées adéquate. En effet, une batterie inappropriée risque de prendre feu ou d'exploser. Akkus enthalten geringe Mengen von Nickel. Sie dürfen nicht zerlegt, wiederaufgeladen, kurzgeschlossen, oder Feuer oder Wasser ausgesetzt - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 14
Lenovo 851 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 15
contacto con sus ojos o sus manos, lave inmediatamente las áreas afectadas con agua durante 15 minutos como mínimo. Obtenga atención medica si se presenta algún 11 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 16
Lenovo 851 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover , um brennbare Materialien zu entzünden oder Verletzungen bei Personen hervorzurufen. Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in corto circuito o a massa - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 17
Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, dé - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 18
Lenovo 851 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J di procedure diverse da quelle specificate possono provocare l'esposizione a. El - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 19
Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 20
Lenovo 851 Hardware Maintenance Manual Important service information This chapter presents the following important service the customer support site: http://consumersupport.lenovo.com/. Strategy are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 21
Important service information Important notice for replacing a system board Some components mounted on a system board are very sensitive. Improper handling can cause damage to those components, and - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 22
Lenovo 851 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction compliance well before the implementation date and expects its suppliers to be ready to support Lenovo's requirements and schedule in the EU. Products sold in 2005 and 2006 will - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 23
copying, saving, or formatting. Drives in the computer that you are servicing sequence might have been altered. If you select an incorrect drive, replacing an FRU only when a problem recurs. If you suspect that an FRU is defective, clear the error logs and run the test again. If the error does not - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 24
Lenovo 851 Hardware Maintenance Manual What to do first When you do return an 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 servicer 2. Date of service use. Before checking problems with the computer, - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 25
charged battery pack. 7. Make sure that the battery pack supplies power when you turn on the computer. If you suspect a power problem, battery status" on page 22 Checking the Computer AC Charger When you use the computer AC Charger to charge the tablet but no power is charged, see the instructions - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 26
Lenovo 851 Hardware Maintenance Manual Checking the internal battery status To check the battery status of the tablet, do either of the following: • Approximate information about the battery status Get the approximate status of the battery at any time by checking the battery status icon on the - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 27
Related service information Related service information This chapter presents the following information: • "Security" ADMINISTRATION and CREDENTIAL STORAGE. Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 28
Lenovo 851 Hardware Maintenance Manual Lenovo 851 This chapter presents the following product-specific service references and product-specific parts information: • "Specifications" on page 24 • "FRU replacement notices" on page 26 • "Removing and replacing an FRU" on page 27 • "Locations" on page - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 29
851 Ports Communication Others • Micro-USB (USB 2.0) • Audio Jack, 3.5mm • Micro-SD card slot (support external Micro-SD card up to 64GB) • WiFi: 802.11a/b/g/n • Bluetooth 4.0 • GPS • Speaker (Left and right) • Microphone • Gravity sensor • E-compass • Ambient light sensor • Hall sensor • Battery - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 30
Lenovo 851 Hardware Maintenance Manual FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In Lenovo computers, this problem specifications. 26 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 31
Lenovo 851 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service from electrical outlets, remove the battery pack, and then disconnect any - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 32
Lenovo 851 Hardware Maintenance Manual 1010 Rear cover 1. Open the hinge frame. Figure 1-1. Opening the hinge frame 2. Open the card slot cover using a thin flat blade or guitar pick. Figure 1-2. Opening the card slot 28 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 33
851 3. Remove screws a on the rear cover as shown in the figure below. Figure 1-3. The screws on the rear cover Part No. Screw (quantity) a Phillips flat head screw, M1.4 × 1.6 (3) Color Silver Torque N/A 4. Separate the bottom right corner of the rear cover from the main body of the tablet - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 34
Lenovo 851 Hardware Maintenance Manual 5. Hold the tablet in one hand and use a guitar pick to unlock the rear cover from the tablet along the joint its locks can be damaged! Do not try to lift the rear cover off the tablet when it is tightly locked at some places. Use a guitar pick to unlock these - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 35
Lenovo 851 1020 Right speaker For access, remove the following FRU: • "1010 Rear cover" on page 28 1. Disconnect the power supply to the tablet by detaching the battery FPC from its connector on the main board using a pair of tweezers. Figure 2-1. Disconnecting the power supply of the tablet 2. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 36
Lenovo 851 Hardware Maintenance Manual Part No. Screw (quantity) Color a Phillips flat-head screw, M1.4 × 2.5 (3) Silver Torque N/A 3. Detach the connector of the right speaker FPC from the sub board using a - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 37
5. Remove the right speaker. Lenovo 851 Figure 2-5. The removed right speaker 33 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 38
Lenovo 851 Hardware Maintenance Manual 1030 Sub board Important notices for handling PCB: When the following FRU: • "1010 Rear cover" on page 28 and Detach the following FPCs and wire connections: • Battery FPC (see Step 1 on page 31 in "1020 Right speaker") • Right speaker FPC (see Step 3 on - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 39
Lenovo 851 2. Pull out the hall sensor FPC from its connector using a pair of tweezers. Figure 3-2. Pulling out the hall sensor FPC 3. Detach the connector of the main FPC from the sub board using a pair of tweezers. Figure 3-3. Detaching the connector of the main FPC (on the sub board) 35 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 40
Lenovo 851 Hardware Maintenance Manual 4. Remove screws a on the sub board. Figure 3-4. The screws on the sub board Part No. Screw (quantity) a Phillips flat head screw, M1.4 × 1.6, wide head (3) Color Silver Torque N/A 5. Remove the sub board from the tablet using a pair of tweezers. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 41
Lenovo 851 Figure 3-6. The removed sub board 37 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 42
Lenovo 851 Hardware Maintenance Manual 1040 LCD FPC For access, remove the following FRUs in order: • "1010 Rear cover" on page 28 1. Unlock the connector of the LCD FPC on the front module of the tablet using a guitar pick. Figure 4-1. Unlocking the connector of the LCD FPC (front module side) 2. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 43
Lenovo 851 3. Pull out the LCD FPC from its connector on the main board using a pair of tweezers. Figure 4-3. Pulling out the LCD FPC (from the main board side) 4. Detach the LCD FPC from the front module using a pair of tweezers. Figure 4-4. Detaching the LCD FPC from the front module 39 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 44
Lenovo 851 Hardware Maintenance Manual 5. Pull out the LCD FPC from its connector on the front module using a pair of tweezers. Figure 4-5. Pulling out the LCD FPC (from the front module side) Figure 4-6. The removed LCD FPC 40 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 45
Lenovo 851 1050 Main FPC For access, remove the following FRU: • "1010 Rear cover" on page 28 1. Disconnect the power supply to the tablet by detaching the battery FPC from its connector on the main board using a pair of tweezers. Figure 5-1. Disconnecting the power supply of the tablet 2. Detach - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 46
Lenovo 851 Hardware Maintenance Manual 3. Detach the connector of the main FPC from the main board using a pair of tweezers. Figure 5-3. Detaching the connector of the main FPC (on the main board) 4. Remove the main FPC. Figure 5-4. Removing the main FPC 42 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 47
Lenovo 851 Figure 5-5. The removed main FPC 43 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 48
Lenovo 851 Hardware Maintenance Manual 1060 Hall sensor FPC For access, remove the following FRU: • "1010 Rear cover" on page 28 1. Disconnect the power supply to the tablet by detaching the battery FPC from its connector on the main board using a pair of tweezers. Figure 6-1. Disconnecting the - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 49
Lenovo 851 3. Pull out the hall sensor FPC from its connector using a pair of tweezers. Figure 6-3. Pulling out the hall sensor FPC 4. Remove the hall sensor FPC using a pair of tweezers. Figure 6-4. Removing the hall sensor FPC 45 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 50
Lenovo 851 Hardware Maintenance Manual Figure 6-5. The removed hall sensor FPC 46 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 51
Lenovo 851 1070 Main board Important notices for handling PCB: When handling PCB, bear the remove the following FRU: • "1010 Rear cover" on page 28 and Detach the following FPCs from the main board: • Battery FPC (see Step 1 on page 31 in "1020 Right speaker") • LCD FPC (see Step 2 on page 38 and - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 52
Lenovo 851 Hardware Maintenance Manual 2. Pull out the TP FPC from its unlocked connector using a pair of tweezers. Figure 7-2. Pulling out the TP FPC 3. Unlock the connector of the left speaker FPC on the main board using a guitar pick. Figure 7-3. Unlocking the connector of the left speaker FPC 48 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 53
Lenovo 851 4. Pull out the FPC of the left speaker from the unlocked connector using a pair of tweezers. Figure 7-4. Pulling out the FPC of the left speaker 5. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 54
Lenovo 851 Hardware Maintenance Manual 6. Detach the connector of the rear camera FPC from the main board using a pair of tweezers. Figure 7-6. Detaching the connector of the rear camera FPC 7. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 55
Lenovo 851 8. Disconnect the cable of the antennas from its connector on back of the main board using a pair of tweezers at the positions shown in the - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 56
Lenovo 851 Hardware Maintenance Manual 10. Detach the connector of the main FPC on the main board using a pair of tweezers. Figure 7-10. Detaching the connector of the main FPC (on the main board) 11. Remove the main FPC from the main board Figure 7-11. Removing the main FPC from the main board 52 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 57
Lenovo 851 12. Unlock the connector of the front camera FPC on the back of main board using a guitar pick. Figure 7-12. Unlocking the connector of the front camera FPC 13. Remove the front camera FPC from its unlocked connector. Figure 7-13. Removing the front camera 53 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 58
Lenovo 851 Hardware Maintenance Manual Figure 7-14. The removed main board and front camera 54 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 59
Lenovo 851 1080 Left speaker For access, remove the following FRUs in order: • "1010 Rear cover" on page 28 • "1070 Main board" on page 47 1. Remove screws a - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 60
Lenovo 851 Hardware Maintenance Manual 2. Remove the left speaker unit together with the attached rear camera, USB and volume key FPC. Figure 8-2. Removing the left speaker together with attached rear - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 61
Lenovo 851 3. Detach the conductive shield at the side of the rear camera using a pair of tweezers as shown in the figure below. Figure 8-4. Detaching the conductive - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 62
Lenovo 851 Hardware Maintenance Manual 5. Remove the USB and volume key FPC on the back of the left speaker unit using a pair of tweezers. Figure 8-6. Removing the USB and volume key FPC Figure 8-7. The removed left speaker 58 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 63
Lenovo 851 1090 Rear camera For access, remove the following FRUs in order: • "1010 Rear cover" on page 28 • "1070 Main board" on page 47 and Detach - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 64
Lenovo 851 Hardware Maintenance Manual 2. Remove the rear camera from its conductive shield seat on the left speaker box by as shown in the figure below. Figure 9-2. Removing the rear camera Figure 9-3. The removed rear camera 60 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 65
Lenovo 851 1100 USB and volume key FPC For access, remove the following FRUs in order: • "1010 Rear cover" on page 28 • "1070 Main board" on page - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 66
Lenovo 851 Hardware Maintenance Manual 2. Remove the USB and volume key FPC from the left speaker. Figure 10-2. The removed USB and volume key FPC 62 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 67
Lenovo 851 1110 Volume key For access, remove the following FRUs in order: • "1010 Rear cover" on page 28 • "1070 Main 55 and Step 2 on page 56 in "1080 Left speaker") 1. Detach the volume key using a pair of pointed tweezers. Figure 11-1. Detaching the volume key 2. Remove the volume key. Figure - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 68
Lenovo 851 Hardware Maintenance Manual 1120 WIFI2 antenna For access, remove the following FRU: • "1010 Rear cover" on page 28 • "1070 Main board" on page 47 1. Remove screw a on the - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 69
2. Remove the WIFI2 antenna. Lenovo 851 Figure 12-2. The removed antenna 65 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 70
Lenovo 851 Hardware Maintenance Manual 1130 GPS/WIFI1 antenna For access, remove the following FRU: • "1010 Rear cover" on page 28 • "1070 Main board" on page 47 1. Remove screw a on - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 71
2. Remove the GPS/WIFI1 antenna. Lenovo 851 Figure 13-2. The removed antenna 67 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 72
Lenovo 851 Hardware Maintenance Manual 1140 Windows key For access, remove the following FRU: • "1010 Rear cover" on page 28 • "1020 Right speaker" on page 31 1. Detach the windows key using a pair of pointed tweezers. Figure 14-1. Detaching the windows key 2. Remove the windows key. Figure 14-2. - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 73
Lenovo 851 1150 Battery pack For access, remove the following FRUs in order: • "1010 Rear cover" on page 28 • "1020 Right speaker" on page 31 Rechargeable Battery Notice CAUTION: Risk of explosion if the battery is replaced with an incorrect type. When replacing the lithium battery, use only the - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 74
Lenovo 851 Hardware Maintenance Manual 2. Slowly pull out the hinge pivot using a pair of tweezers. Figure 15-2. Pulling out the hinge pivot Figure 15-3. The removed hinge pivot 70 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 75
Lenovo 851 3. Detach the hinge frame at the left end, turn the hinge frame clockwise around its right end so as to steer the battery FPC out through the supporting frame at the right end, and then remove the hinge frame from the main body of the tablet. Figure 15-4. Removing the hinge frame with the - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 76
Lenovo 851 Hardware Maintenance Manual 5. Remove screw a on the battery cover as shown in the figure below. Figure 15-6. The screw on the battery cover Part No. Screw (quantity) Color a Phillips flat-head screw, M1.4 × 3.0 (1) Silver Torque N/A 6. Remove the battery cover as shown in the - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 77
7. Remove the battery pack from the hinge frame. Lenovo 851 Figure 15-8. Removing the battery pack Figure 15-9. The removed battery pack 73 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 78
Lenovo 851 Hardware Maintenance Manual 1160 Power key For access, remove the following FRUs in order: • "1010 Rear cover" on page 28 • "1070 Main board" on page 47 and Detach - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 79
2. Remove the power key. Lenovo 851 Figure 16-2. The removed power key 75 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 80
Lenovo 851 Hardware Maintenance Manual Locations Front view Front camera Left speaker Right speaker 76 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 81
Rear view Audio Jack Windows key Microphone Micro-SD card slot Volume key Micro-USB connection Rear camera Power key Lenovo 851 77 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 82
Lenovo 851 Hardware Maintenance Manual Parts list This section presents the following service parts: • "Overall" on page 78 • "Screws" on page 82 Overall 78 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 83
Lenovo 851 79 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 84
3 851 battery 4 851 hinge frame 5 851 battery cover (right) 6 851 power key 7 851 rear camera 8.0MP AF OV8865 8 851 front camera 1.6MP 25PIN 3P FF 9 851 main board 10 851 hinge pivot 11 851 left speaker 12 851 WIFI2 antenna 13 851 right speaker 14 851 LCD FPC 15 851 card slot cover 16 851 windows - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 85
21 851 hall sensor FPC 22 851 volume key 23 851 battery cover (left) Lenovo 851 5F79A6MX4D N 5F79A6MXBH 5B69A6MXHT N 5B69A6N07S 5D79A6MXKT N (black) 81 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 86
Lenovo 851 Hardware Maintenance Manual Screws Table 2. Parts list-Screw FRU Phillips cross head screw, M1.4 × 2.5 Phillips cross head screw, M1.4 × 3.0 Phillips cross head screw, M1.4 × 1.5 Phillips cross head screw, M1.4 × 1.6 P/N SM89A44142 SM89A44143 5M89A4675Y 5M89A6N02R CRU ID N N N N 82 - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 87
the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications - Lenovo Yoga 2-851 | (English) Hardware Maintenance Manual - Yoga Tablet 2 851 - Page 88
Lenovo 851 Hardware Maintenance Manual Any performance data contained herein was determined in a specific environment. Trademarks Lenovo and the Lenovo logo are trademarks of Lenovo in the United States or other countries, or both. Other company, product, or service names may be trademarks or service
YOGA TABLET 2
Hardware Maintenance Manual
YOGA Tablet 2-851F