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Chapter 4. Removing a FRU or CRU

Service tools

The following table lists tools for servicing Lenovo computers. Tools with a cross mark are needed for serving
the product models as described by this publication. Prepare them before you service the product.

Table 4. Service tools

Service tool and consumable

Model applicability

Screw driver (Phillips head) (PH1/PH0)

Screw driver (Torx head) (T5)

Screw driver (Torx head) (T30)

Pry tool 1

Tweezers (conductive)

Tweezers (isolated)

Suction cup

Hexagonal socket

Silicone grease

Acetate tape

Polyamide tape

Mylar tape

Electrical tape

Double-sided tape

Conductive tape

Eraser

Heat gun

Brown brush

Notes:

• T30 screw drivers are used to service the new Intel Xeon CPUs.

• Hexagonal sockets are used to remove antenna connectors.

• Silicone grease is applied to the CPU and heatsink surfaces to eliminate air gaps.

General guidelines

When removing or replacing an FRU, ensure that you observe the following general guidelines:

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. Begin by removing any FRUs that have to be removed before replacing the failing FRU. Any such FRUs

are listed at the beginning of each FRU replacement procedure. Remove them in the order in which they
are listed.

Содержание 20WE006QGE-CAMPUS

Страница 1: ...Hardware Maintenance Manual Lenovo ThinkBook 14s Yoga ...

Страница 2: ...First Edition October 2020 Copyright Lenovo 2020 ...

Страница 3: ...move the Lenovo Smart Pen 28 Remove the lower case 28 Remove the battery pack 29 Remove the solid state drive SSD 30 Remove the Wi Fi card 32 Remove the heat sink 33 Remove the fan 33 Remove the memory module 34 Remove the I O bracket left 35 Remove the I O board bracket right 36 Remove the CMOS battery 37 Remove the Lenovo Smart Pen holder 38 Remove the I O board with cable 39 Remove the speakers...

Страница 4: ...ii Hardware Maintenance Manual ...

Страница 5: ...cts Machine Machine type MT ThinkBook 14s Yoga ITL 20WE Important This manual is intended only for trained service technicians who are familiar with Lenovo products Before servicing a Lenovo product be sure to read all the information under Chapter 1 Safety information on page 1 Copyright Lenovo 2020 iii ...

Страница 6: ...iv Hardware Maintenance Manual ...

Страница 7: ...e clothing or fasten it with a non conductive clip about 8 centimeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Attention Metal objects are good electrical conductors Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that might be hazardou...

Страница 8: ...efully for possible hazards in your work area Examples of these hazards are moist floors non grounded power extension cables power surges and missing safety grounds Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when...

Страница 9: ...d sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here 2 Make sure that the ESD protective devi...

Страница 10: ...g of the electrical outlet can be verified by a certified electrician Safety notices multilingual translations The safety notices in this section are provided in the following languages English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese DANGER DANGER DANGER 4 Hardware Maintenance Manual ...

Страница 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...

Страница 12: ...6 Hardware Maintenance Manual ...

Страница 13: ...PERIGO PERIGO PERIGO Chapter 1 Safety information 7 ...

Страница 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardware Maintenance Manual ...

Страница 15: ...DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...

Страница 16: ...DANGER DANGER DANGER DANGER VORSICHT 10 Hardware Maintenance Manual ...

Страница 17: ...VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...

Страница 18: ...VORSICHT VORSICHT VORSICHT 12 Hardware Maintenance Manual ...

Страница 19: ...Chapter 1 Safety information 13 ...

Страница 20: ...14 Hardware Maintenance Manual ...

Страница 21: ...Chapter 1 Safety information 15 ...

Страница 22: ...16 Hardware Maintenance Manual ...

Страница 23: ...Chapter 1 Safety information 17 ...

Страница 24: ...18 Hardware Maintenance Manual ...

Страница 25: ...Chapter 1 Safety information 19 ...

Страница 26: ...20 Hardware Maintenance Manual ...

Страница 27: ... When you 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 service technician 2 Date of service 3 Date on which the machine failed 4 Date of purchase 5 Failure symptoms error codes appearing on the display and beep symptoms 6 Procedure index and page number in which the failing FRU was detected...

Страница 28: ... of an incorrect ac power adapter on laptop products The following symptoms might indicate damage caused by non warranted activities Missing parts might be a symptom of unauthorized service or modification Check for obvious damage to a hard disk drive If the spindle of a hard disk drive becomes noisy the hard disk drive might have been dropped or subject to excessive force CRU list Table 1 Model T...

Страница 29: ...s help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer s computer Figure 1 ThinkBook 14s Yoga ITL exploded view Table 2 FRU CRU categories No FRU CRU category 1 Upper case with keyboard and touchpad Copyright Lenovo 2020 23 ...

Страница 30: ...vo Smart Pen 9 Solid state drive SSD bracket Note The SSD bracket is used to lock the screw for the 2242 SSD 10 Solid state drive SSD 11 Mylar 12 Wi Fi card 13 Lower case 14 Speakers 15 Battery pack 16 Fan 17 Heat sink 18 Memory module shielding 19 Memory module 20 System board 21 I O bracket left a Power cord b ac power adapter c Screw kit d Label 24 Hardware Maintenance Manual ...

Страница 31: ...Yoga ITL LCD unit exploded view Table 3 FRU categories for the LCD unit No FRU CRU category 1 Microphone rubbers 2 Camera privacy shutter 3 Camera 4 LCD module 5 Strip cover 6 Removable tape Chapter 3 Identifying FRUs CRUs 25 ...

Страница 32: ...Table 3 FRU categories for the LCD unit continued 7 LCD cover 8 Rubber hinges 9 Hinges 10 EDP cable 11 Sensor board with cable 26 Hardware Maintenance Manual ...

Страница 33: ...trical tape Double sided tape Conductive tape Eraser Heat gun Brown brush Notes T30 screw drivers are used to service the new Intel Xeon CPUs Hexagonal sockets are used to remove antenna connectors Silicone grease is applied to the CPU and heatsink surfaces to eliminate air gaps General guidelines When removing or replacing an FRU ensure that you observe the following general guidelines 1 Do not t...

Страница 34: ...rical outlets Attention After replacing an FRU do not turn on the computer until you have ensured that all screws springs and other small parts are in place and none are loose inside the computer Verify this by shaking the computer gently and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits Attention The system board is sensitive to and can be damage...

Страница 35: ... Number of screws M2 0 x L3 5 4 5 4 Step 3 Pry up the latches and then remove the lower case Figure 5 Pry up the latches and then remove the lower case Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Lower case Remove the battery pack Make sure the following FRUs or CRUs have been removed Remove the Lenovo Smart Pen on page 28 Chapter ...

Страница 36: ...tions Number of screws M2 x L4 0 3 Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Battery pack Remove the solid state drive SSD Make sure the following FRUs or CRUs have been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your...

Страница 37: ...Remove one screw and then separate the SSD from the SSD bracket Figure 9 Remove one screw and separate the SSD from the SSD bracket Screw specifications Number of screws M2 0 x L2 0 1 Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement parts SSD SSD bracket Chapter 4 Removing a FRU or CRU 31 ...

Страница 38: ...ernails to pull the connector to unplug it Do not pull the cable Step 2 Peel off the mylar Figure 10 Peel off the mylar Step 3 Detach the main and auxiliary antenna cable connectors Remove one screw and then remove the Wi Fi card by pulling it away from the slot Figure 11 Remove one screw and then remove the Wi Fi card by pulling it away from the slot Screw specifications Number of screws M1 98 x ...

Страница 39: ...ve the heat sink Figure 12 Remove three screws and then remove the heat sink Screw specifications Number of screws M2 x L2 0 3 Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Heat sink Remove the fan Make sure the following FRUs or CRUs have been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Step 1 Dis...

Страница 40: ...s CRUs have been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Step 2 Remove the memory module shielding Figure 14 Remove the memory module shielding Step 3 Release the two latches on both edges of the socket at the...

Страница 41: ...FRUs or CRUs has been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Step 2 Remove two screws and then open the hinge Figure 16 Remove two screws and then open the hinge Screw specifications Number of screws M2 5 x L...

Страница 42: ...placement part I O bracket left Remove the I O board bracket right Make sure the following FRUs or CRUs have been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Step 2 Remove two screws and then open the hinge Figure...

Страница 43: ...o part number of the following replacement part I O bracket right Remove the CMOS battery Make sure the following FRUs or CRUs has been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Step 2 Disconnect the CMOS batter...

Страница 44: ...Pen on page 28 Remove the lower case on page 28 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Step 2 Remove two screws and then remove the Lenovo Smart Pen holder Figure 21 Remove two screws and then remove the Lenovo Smart Pen holder Screw specifications Number of screws M1 6 x L3 0 2 Go to ht...

Страница 45: ...board Then remove the I O board with cable Figure 22 Disconnect the pen holder cable and the fingerprint board cable from the I O board and disconnect the I O board cable from the system board Then remove the I O board with cable Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part I O board with cable Remove the speakers Make sure the foll...

Страница 46: ...lowing FRUs CRUs have been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Remove the battery pack on page 29 Remove the fan on page 33 Remove the I O board bracket right on page 36 Remove the CMOS battery on page 37 Remove the Lenovo Smart Pen holder on page 38 Remove the I O board with cable on page 39 Step 1 Peel off the tape and then remove the Lenovo Smart Pen ...

Страница 47: ...le on page 39 Remove the Lenovo Smart Pen holder on page 38 Step 1 Remove two screws and then remove the fingerprint board Figure 25 Remove two screws and then remove the fingerprint board Screw specifications Number of screws M1 6 x L3 0 2 Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part fingerprint board Remove the system board Make s...

Страница 48: ... Remove the I O bracket left on page 35 Step 1 Peel off the tapes Figure 26 Peel off the tapes Step 2 Disconnect cables connected to the system board Figure 27 Disconnect cables connected to the system board Step 3 Remove one screw and then remove the system board 42 Hardware Maintenance Manual ...

Страница 49: ... Remove the LCD unit Make sure the following FRUs CRUs have been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Remove the heat sink on page 33 Step 1 Disconnect the battery pack cable from the system board Attention Use your fingernails to pull the connector to unplug it Do not pull the cable Step 2 Peel off the mylar and tapes Figure 29 Peel off the mylar and tap...

Страница 50: ...hown Remove four screws and then remove the LCD unit Figure 31 Remove four screws and then remove the LCD unit Screw specifications Number of screws M2 5 x L5 5 4 Remove the upper case with keyboard and touchpad Make sure the following FRUs CRUs have been removed Remove the Lenovo Smart Pen on page 28 Remove the lower case on page 28 Remove the battery pack on page 29 Remove the solid state drive ...

Страница 51: ...p the Lenovo part number of the following replacement part Upper case with keyboard and touchpad Disassemble the LCD unit The LCD unit as a whole is not an FRU Instead it contains FRUs as its components Before disassembling the LCD unit make sure it has been detached from the upper case Remove the strip cover Make sure the following unit has been removed Remove the LCD unit on page 43 Step 1 Remov...

Страница 52: ...inges Remove the LCD module Make sure the following FRUs CRUs have been removed Remove the LCD unit on page 43 Remove the strip cover on page 45 Step 1 Remove the two screws and then remove the two pieces of removable tape with tweezers Then turn over the LCD module Figure 34 Remove the two screws and then remove the two pieces of removable tape with tweezers Then turn over the LCD module 46 Hardw...

Страница 53: ...he tape carefully and then disconnect the EDP cable from the LCD module Step 3 Disconnect the touch cable and then remove the LCD module Figure 36 Disconnect the touch cable and then remove the LCD module Go to https support lenovo com partslookup to look up the Lenovo part numbers of the following replacement parts LCD module Chapter 4 Removing a FRU or CRU 47 ...

Страница 54: ...cable Figure 37 Disconnect the EDP cable from the sensor board and then remove the EDP cable Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part EDP cable Remove the microphone rubbers Make sure the following FRUs CRUs have been removed Remove the LCD unit on page 43 Remove the strip cover on page 45 Remove the LCD module on page 46 Step 1...

Страница 55: ...Remove the camera shutter Figure 39 Remove the camera shutter Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Camera shutter Remove the camera Make sure the following FRUs CRUs have been removed Remove the LCD unit on page 43 Remove the strip cover on page 45 Remove the LCD module on page 46 Remove the microphone rubbers on page 48 Ste...

Страница 56: ...n page 46 Step 1 Disconnect the EDP cable from the sensor board and disconnect the sensor board cable from the camera Then remove the sensor board with cable Figure 41 Disconnect the EDP cable from the LCD module and then remove the EDP cable Go to https support lenovo com partslookup to look up the Lenovo part number of the following replacement part Sensor board with cable Remove the hinges Make...

Страница 57: ...e following FRUs CRUs have been removed Remove the strip cover on page 45 Remove the rubber hinges on page 45 Remove the LCD module on page 46 Remove the EDP cable on page 48 Remove the microphone rubbers on page 48 Remove the camera shutter on page 49 Remove the camera on page 49 Remove the sensor board with cable on page 50 Remove the hinges on page 50 Go to https support lenovo com partslookup ...

Страница 58: ...52 Hardware Maintenance Manual ...

Страница 59: ...plied country region Label dimensions a QR Label 26 1 mm x 17 mm b GML Label 22 501 mm x 16 077 mm c Adapter Label 65 mm x 20 mm d WL BT label Brazil 35 mm x 15 mm Israel US CA TW 32 mm x 10 mm South Africa 20 mm x 10 mm Malaysia Indonesia 15 mm x 10 mm e Country label Argentina label 68 mm x 6 mm f TW label 70 mm x 10 mm g Indonesia rating label 26 mm x 10 mm h India BIS label 22 mm x 30 mm I KR ...

Страница 60: ...Table 5 All base cover labels continued k Vietnam Energy Label 10 mm x 9 mm 54 Hardware Maintenance Manual ...

Страница 61: ...Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo All other trademarks are the property of their respective owners 2020 Lenovo ...

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