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Figure 40. Remove the system board

Disassemble the LCD module

The LCD module as a whole is not a FRU. Instead, it contains FRUs as its components. Before
disassembling the LCD module, make sure it has been detached from the base cover.

Remove the LCD bezel and hinges

Make sure the following FRUs (or CRUs) have been removed.

“Remove the lower case” on page 31

“Remove the battery pack” on page 32

“Remove the LCD module” on page 44

Step 1. Use a prying tool to remove the strip cover.

Figure 41. Pry off the strip cover

Step 2. Insert your fingernails under the lower inner side of the LCD bezel and then carefully pull the LCD

bezel outwards. Repeat this action along the inner edges of the LCD bezel until all hooks that
secure the LCD bezel are detached.

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Hardware Maintenance Manual

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Содержание IdeaPad S340 Series

Страница 1: ...Hardware Maintenance Manual Lenovo IdeaPad S540 14 ...

Страница 2: ......

Страница 3: ...Hardware Maintenance Manual Lenovo IdeaPad S540 14 ...

Страница 4: ...First Edition February 2019 Copyright Lenovo 2019 ...

Страница 5: ...pter 4 Removing a FRU or CRU 31 General guidelines 31 Remove the lower case 31 Remove the battery pack 32 Remove the Wi Fi card 34 Remove the heat sink and fan assembly 36 Remove the memory module 38 Remove the M 2 solid state drive 39 Remove the speakers 40 Remove the fingerprint board 41 Remove the touchpad assembly 42 Remove the LCD module 44 Remove the I O board 45 Remove the dc in cable 47 Re...

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: ...careful not to 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 on which the machine failed 4 Date of purchase 5 Failure symptoms error codes appearing on the display and beep symptoms 6 Procedure in...

Страница 28: ...he ac power adapter If the computer fails only when the ac power adapter is used refer to the information in this topic to check the ac power adapter If the power on indicator does not turn on check the power cord of the ac power adapter for correct continuity and installation To check the ac power adapter do the following 1 Unplug the ac power adapter cable from the computer 2 Measure the output ...

Страница 29: ... 14 Series CRU list Model Lenovo IdeaPad S540 14IWL Lenovo IdeaPad S540 14API Lenovo IdeaPad S540 14IWL Touch MT 81ND 81NH 81QX CRU Type ac power adapter self service power cord self service Chapter 2 General checkout 23 ...

Страница 30: ...24 Hardware Maintenance Manual ...

Страница 31: ...3 Identifying FRUs CRUs All FRUs CRUs The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer s computer Copyright Lenovo 2019 25 ...

Страница 32: ...a b c f h i m n q l j d g e k o p Figure 1 Exploded view 26 Hardware Maintenance Manual ...

Страница 33: ...em board No No 5 I O board No No 6 Heat sink and fan assembly No No 7 M 2 solid state drive No No 8 Memory module No No 9 Memory module shield No No 10 Wi Fi card No No 11 Wi Fi card sponge No No 12 Touchpad No No 13 Fingerprint board No No 14 Fingerprint bracket No No 15 Speakers No No 16 Battery pack No No 17 Lower case No No Chapter 3 Identifying FRUs CRUs 27 ...

Страница 34: ...1 2 3 4 5 6 7 8 9 Figure 2 LCD module exploded view Table 2 FRU categories for the LCD module No FRU CRU category Self service CRU Optional service CRU 1 Strip cover No No 28 Hardware Maintenance Manual ...

Страница 35: ... 5 LCD cable No No 6 Camera cable No No 7 Camera board No No 8 Microphone board No No 9 LCD base cover No No Miscellaneous parts Table 3 Miscellaneous parts FRU descriptions Self service CRU Optional service CRU Screw pack No No Tape No No Rubber No No Thermalpad No No Chapter 3 Identifying FRUs CRUs 29 ...

Страница 36: ...30 Hardware Maintenance Manual ...

Страница 37: ...o com partslookup for replacement screws and order them through the Lenovo CRM system 7 When replacing the base cover reapply all labels that come with the replacement base cover If some original labels are not included with the replacement base cover peal them off from the original base cover and paste them on the replacement base cover DANGER Before removing any FRU or CRU shut down the computer...

Страница 38: ...igure 4 Remove the lower case Remove the battery pack Make sure the following FRUs or CRUs have been removed Remove the lower case on page 31 Step 1 Disconnect the cable from the system board Attention Use your fingernail to pull the connector to unplug it Do not pull the cable 32 Hardware Maintenance Manual ...

Страница 39: ...Figure 5 Disconnect the cable Step 2 Remove 4 screws Figure 6 Remove 4 screws Screw specifications Number of screws M2 0 x 3 4 Step 3 Take out the battery pack Chapter 4 Removing a FRU or CRU 33 ...

Страница 40: ... the following FRUs or CRUs have been removed Remove the lower case on page 31 Remove the battery pack on page 32 Step 1 Disconnect the cable of the I O board as shown 1 2 Figure 8 Disconnect the cable Step 2 Remove the Wi Fi card sponge 34 Hardware Maintenance Manual ...

Страница 41: ...Figure 9 Remove the Wi Fi card sponge Step 3 Disconnect the main and auxiliary antenna cables Figure 10 Disconnect antenna cables Step 4 Remove 1 screw Chapter 4 Removing a FRU or CRU 35 ...

Страница 42: ...y from the slot Figure 12 Remove the Wi Fi card Remove the heat sink and fan assembly Make sure the following FRUs or CRUs have been removed Remove the lower case on page 31 Remove the battery pack on page 32 Remove the Wi Fi card on page 34 Step 1 Disconnect 2 cables from the system board 36 Hardware Maintenance Manual ...

Страница 43: ...ure 13 Disconnect 2 cables Step 2 Remove 10 screws Figure 14 Remove 10 screws Screw specifications Number of screws M2 0 x 3 10 Step 3 Remove the heat sink and fan assembly Chapter 4 Removing a FRU or CRU 37 ...

Страница 44: ... Remove the lower case on page 31 Remove the battery pack on page 32 Step 1 Remove the memory module shield Figure 16 Remove memory module shield Step 2 Pull the retaining tags on both sides of the slot outwards to release the memory module Remove the memory module by pulling it away from the slot 38 Hardware Maintenance Manual ...

Страница 45: ... FRUs or CRUs have been removed Remove the lower case on page 31 Remove the battery pack on page 32 Step 1 Remove 1 screw Figure 18 Remove 1 screw Screw specifications Number of screws M2 0 x 3 1 Step 2 Remove the solid state drive by pulling it away from the slot Chapter 4 Removing a FRU or CRU 39 ...

Страница 46: ...s CRUs have been removed Remove the lower case on page 31 Remove the battery pack on page 32 Remove the M 2 solid state drive on page 39 Step 1 Disconnect 2 cables as shown 1 2 Figure 20 Disconnect 2 cables Step 2 Carefully remove the speakers off the piles 40 Hardware Maintenance Manual ...

Страница 47: ...e the following FRUs or CRUs have been removed Remove the lower case on page 31 Remove the battery pack on page 32 Step 1 Disconnect the cable from the system board as shown 1 2 Figure 22 Disconnect the cable Step 2 Remove 1 screw Chapter 4 Removing a FRU or CRU 41 ...

Страница 48: ...s bracket Remove the touchpad assembly Make sure the following FRUs or CRUs have been removed Also make sure the cables connecting the touch pad assembly to the system board have been disconnected Remove the lower case on page 31 Remove the battery pack on page 32 Remove the fingerprint board on page 41 Step 1 Disconnect the cable as shown 42 Hardware Maintenance Manual ...

Страница 49: ...onnect the cable Step 2 Remove 4 screws Figure 26 Remove 4 screws Screw specifications Number of screws M2 0 x 3 4 Step 3 Remove the touchpad assembly Figure 27 Remove touchpad assembly Chapter 4 Removing a FRU or CRU 43 ...

Страница 50: ...1 Remove the battery pack on page 32 Step 1 Disconnect the LCD cable Figure 28 Disconnect the LCD cable Step 2 Remove the 4 screws that secure the hinges to the upper case Figure 29 Remove the 4 screws Screw specifications Number of screws M2 5 x 4 5 4 Step 3 Open the hinges 44 Hardware Maintenance Manual ...

Страница 51: ...p the upper case before disconnecting the LCD cable Otherwise the cable may be damaged Remove the I O board Make sure the following FRUs or CRUs have been removed Remove the lower case on page 31 Remove the battery pack on page 32 Remove the LCD module on page 44 Step 1 Disconnect the cable of the I O board as shown Chapter 4 Removing a FRU or CRU 45 ...

Страница 52: ...1 2 Figure 32 Disconnect the cable Step 2 Remove 1 screw Figure 33 Remove 1 screw Screw specifications Number of screws M2 0 x 3 1 Step 3 Remove the I O board 46 Hardware Maintenance Manual ...

Страница 53: ...e the battery pack on page 32 Step 1 Remove 2 screws then open the hinge and disconnect the cable 2 Figure 35 Remove 2 screws and disconnect the cable Screw specifications Number of screws M2 5 x 4 5 2 Step 2 Use a prying tool to detach the dc in cable from the upper case CAUTION Do not pull the cable directly Chapter 4 Removing a FRU or CRU 47 ...

Страница 54: ...he lower case on page 31 Remove the battery pack on page 32 Remove the Wi Fi card on page 34 Remove the heat sink and fan assembly on page 36 Remove the memory module on page 38 Remove the M 2 solid state drive on page 39 Remove the speakers on page 40 Remove the fingerprint board on page 41 Remove the touchpad assembly on page 42 Remove the dc in cable on page 47 Step 1 Disconnect the cable 48 Ha...

Страница 55: ...1 2 Figure 38 Disconnect the cable Step 2 Remove 3 screws Figure 39 Remove 3 screws Screw specifications Number of screws M2 0 x 3 3 Step 3 Remove the system board Chapter 4 Removing a FRU or CRU 49 ...

Страница 56: ...ng FRUs or CRUs have been removed Remove the lower case on page 31 Remove the battery pack on page 32 Remove the LCD module on page 44 Step 1 Use a prying tool to remove the strip cover Figure 41 Pry off the strip cover Step 2 Insert your fingernails under the lower inner side of the LCD bezel and then carefully pull the LCD bezel outwards Repeat this action along the inner edges of the LCD bezel ...

Страница 57: ...ezel otherwise the hooks may be damaged The lower side of the LCD bezel is fixed to the LCD panel with adhesive tape Detach with care Step 3 Remove 8 screws Figure 43 Remove 8 screws Screw specifications Number of screws M2 0 x 2 8 Step 4 Remove the hinges Figure 44 Remove the hinges Chapter 4 Removing a FRU or CRU 51 ...

Страница 58: ...d hinges on page 50 Step 1 Pull the two tapes located on left and right edges under the LCD panel downwards steadily With the bottom edge as an axis lift up the top edge of the LCD panel CAUTION Do not remove the LCD panel at this step The LCD panel is connected by a cable at the back side Detach the cable before removing the LCD panel Figure 45 Pull the two tapes Step 2 Carefully remove the LCD p...

Страница 59: ...r the LCD connector and then disconnect the LCD cable 1 2 1 2 Figure 47 Disconnect 2 cables Step 4 Remove the LCD cable Figure 48 Remove the LCD cable Remove the camera and microphone board Make sure the following FRUs or CRUs have been removed Chapter 4 Removing a FRU or CRU 53 ...

Страница 60: ...the cable between the camera board and microphone board Figure 49 Disconnect the cable between the camera board and microphone board Step 2 Remove the camera board CAUTION The camera board is fragile and easily bent Remove it with care Figure 50 Remove the camera board Step 3 Remove the microphone board CAUTION The microphone board is fragile and easily bent Remove it with care 54 Hardware Mainten...

Страница 61: ...Figure 51 Remove the microphone board Chapter 4 Removing a FRU or CRU 55 ...

Страница 62: ...56 Hardware Maintenance Manual ...

Страница 63: ...ate labels to the replacement base cover Table 4 All base cover labels Label Label description Applied country region Label dimensions a GML label 16 077 mm x 22 501 mm b W L label Argentina 68 mm x 8 mm c Indonesia rating label Indonesia 26 mm x 10 mm d Adapter label 65 mm x 20 mm e Brazil lable Brazil 35 mm x 15 mm f Israel US CA TW label Israel US CA Taiwan 32 mm x 10 mm Copyright Lenovo 2019 5...

Страница 64: ...L INDIA 30 mm x 22 mm h Korea KCC label Korea 50 mm x 43 mm I TW vision warning label Taiwan 70 mm x 10 mm j South Africa label South Africa 20 mm x 10 mm k Wlan BT lable for Malaysia Indonesia Malaysia Indonesia 15 mm x 10 mm 58 Hardware Maintenance Manual ...

Страница 65: ...Trademarks Lenovo the lenovo logo and Ideapad are trademarks of Lenovo in the United States other countries or both Other company product or service names may be trademarks or service marks of others ...

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