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Nokia Lumia 925, Service Manual

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Nokia Lumia 925 Service Manual Download Page 13

21) Lift up and remove the COAX MOUNT with tweezers. If the COAX MOUNT does not come out easily,

lift it from the center and from the other end. Force should not be used when removing the COAX

MOUNT.

22) Unscrew the two Torx+ size 4 screws.

Summary of Contents for Lumia 925

Page 1: ...Built in wireless charging support z 4 5 AMOLED WXGA display z New Lumia design with an anodized aluminum chassis Version 2 0 Exploded view Disassembly steps Disassembly video Assembly steps Assembly video Solder components Service devices Product controls and interfaces Service concept Phone reset 2013 Nokia Nokia Internal Use only All Rights Reserved More More More More More More More More More ...

Page 2: ...NNA I0011 TYPE LABEL I0009 DISPLAY I0002 BATTERY I0003 FLEX PROTECTIVE TAPE I0032 PMIC THERMAL PAD I0024 COAX MOUNT I0035 SPEAKER BOX I0021 BACK COVER I0005 LIGHT SWAP PWB I0008 MSM THERMAL PAD I0036 FLASH SUPPORT I0033 CAMERA I0015 SIDE KEY ASSEMBLY I0013 BOTTOM FLEX I0014 ANTENNA COAX CABLE I0023 MAIN ANTENNA I0012 SCREW TORX SIZE 4 RF1 2 X 2 8 I0025 SCREW TORX SIZE 6 M1 6 X 3 0 I0026 SCREW TORX...

Page 3: ... 1 For disassembling you need the Nokia Standard toolkit version 2 You will also need the SIM door key the SS 311 Back cover release tool an AV plug SS 317 Battery removal tool SS 318 Protective cover and the SS 298 RF connector disassembly assembly tool 2 Protect the DISPLAY with protective film ...

Page 4: ...3 Release the SIM TRAY with the SIM door key and pull it out 4 Release the shown corner of the BACK COVER with the SS 311 back cover release tool ...

Page 5: ...BACK COVER hold the SS 93 as shown to avoid damaging any components underneath the BACK COVER Be also careful not to damage the clips holding the BACK COVER 6 Slide the SS 93 to the direction shown to release the left side of the BACK COVER Be careful not to damage the BACK COVER or any components underneath it ...

Page 6: ...om end of the BACK COVER Be careful not to damage the BACK COVER or any components underneath it 8 Slide the SS 93 to the direction shown to release the right side of the BACK COVER Be careful not to damage the BACK COVER or the ANTENNA COAX CABLE underneath it ...

Page 7: ...ACK COVER up while gently turning and pushing towards top end of the phone Be careful not to damage the BACK COVER camera clip 10 Remove the BACK COVER Check all the BACK COVER clips for damages Check also the camera clip In case any of the clips are damaged discard the BACK COVER ...

Page 8: ...11 Open the BATTERY connector with the SS 93 Always open the connectors carefully to avoid damaging them or any components nearby 12 Unscrew the three Torx size 6 screws ...

Page 9: ...13 Remove the CONNECTOR SUPPORT FRAME with tweezers 14 Open the BOTTOM FLEX connector with the SS 93 ...

Page 10: ...15 Open the SIDE KEY connector 16 Open the DISPLAY connector ...

Page 11: ...17 Open the CONNECTOR FLEX 18 Open the FRONT CAMERA connector ...

Page 12: ...een the BATTERY and the battery cavity so it can t be replaced before the BATTERY is removed Before doing any repair work check the latest technical bulletins in KICS as there is going to be running changes in the hardware 20 Disconnect the ANTENNA COAX CABLE connector from the ENGINE BOARD with the SS 298 Lock the SS 298 to the top of the connector as shown and lift it up carefully Keep the other...

Page 13: ...remove the COAX MOUNT with tweezers If the COAX MOUNT does not come out easily lift it from the center and from the other end Force should not be used when removing the COAX MOUNT 22 Unscrew the two Torx size 4 screws ...

Page 14: ...23 Remove the MIMO ANTENNA with tweezers 24 Release the ENGINE BOARD by lifting it up from the shown place with the SS 93 ...

Page 15: ...Lift up and remove the ENGINE BOARD Be careful not to damage any of the flexes Use the SS 93 to guide the flexes away from the ENGINE BOARD 26 Pull the WLAN GPS ANTENNA to the direction shown and remove it ...

Page 16: ...27 Open the CAMERA CONNECTOR from the shown side 28 Remove the CAMERA ...

Page 17: ...29 Remove and discard the PMIC THERMAL PAD 30 Remove and discard the FLASH SUPPORT ...

Page 18: ...31 Release the CONNECTOR LATCH from the shown place 32 Remove the CONNECTOR LATCH Be careful not to damage the flex when guiding it through the CONNECTOR LATCH ...

Page 19: ...33 Remove the FRONT CAMERA 34 Remove the CAMERA BOOT from the FRONT CAMERA ...

Page 20: ...35 Remove the FRONT CAMERA SUPPORT Do not use it again Discard it 36 To remove the CONNECTOR FLEX first gently pull the secondary microphone and the micro USB connector away from the METAL DECO ASSEMBLY ...

Page 21: ...37 Then lift up the CONNECTOR FLEX with an AV plug 38 Remove the CONNECTOR FLEX Do not use it again Discard it ...

Page 22: ...39 Unscrew the two Torx size 4 screws 40 Release the SIDE KEY ASSEMBLY with the SS 93 from both ends Be careful not to damage it ...

Page 23: ...41 Remove the SIDE KEY ASSEMBLY 42 Release the SPEAKER BOX from the shown place with the SS 93 ...

Page 24: ...43 Remove the SPEAKER BOX 44 Remove the MAIN ANTENNA from the SPEAKER BOX with the SS 93 only if either one is damaged Remove any adhesive remains from the MAIN ANTENNA and the SPEAKER BOX ...

Page 25: ...arefully disconnect the other end of the ANTENNA COAX CABLE 46 Remove the ANTENNA COAX CABLE with tweezers Make sure to grab the ANTENNA COAX CABLE only from the metal shields and not from the cable itself ...

Page 26: ...47 Release the BOTTOM FLEX with the SS 93 Be careful no to damage it 48 Remove the BOTTOM FLEX Do not use it again Discard it ...

Page 27: ...HOLDER If there is the VIBRA SUPPORT attached to the VIBRA HOLDER remove and discard it Clean all the adhesive remains from the VIBRA HOLDER Do NOT discard the VIBRA SUPPORT Before doing any repair work check the latest technical bulletins in KICS for changes in the mechanical design of the VIBRA SUPPORT ...

Page 28: ...51 Carefully release the VIBRA with the SS 93 52 Remove the VIBRA The VIBRA is not reusable Discard it ...

Page 29: ... SS 318 Protective cover bottom end first 54 Push the SS 317 Battery removal tool in between the BATTERY and the METAL DECO Slowly push the SS 317 until the BATTERY is released Lift up and remove the BATTERY Do not use it again Discard it ...

Page 30: ...55 The Nokia Lumia 925 disassembly procedure is complete END OF DISASSEMBLY 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 31: ...a 925 RM 892 RM 893 RM 910 Version 2 0 Assembly steps 1 For assembling you need the Nokia Standard toolkit version 2 You will also need the SS 298 RF connector disassembly assembly tool 2 Remove the BATTERY CONNECTOR SUPPORT protective film ...

Page 32: ... placing the BATTERY place the FLEX PROTECTIVE TAPE to the shown place After placing the VIBRA and the VIBRA HOLDER attach the loose end of the FLEX PROTECTIVE TAPE on top of the VIBRA HOLDER Before doing any repair work check the latest technical bulletins in KICS as there is going to be running changes in the hardware ...

Page 33: ...5 Remove the BATTERY protective film Place the BATTERY to its cavity and press it to activate the adhesive 6 Remove the VIBRA protective film ...

Page 34: ...7 Align the VIBRA to its place by using the shown screw hole Press the VIBRA gently to activate the adhesive Be careful not to damage the VIBRA 8 Place the VIBRA SUPPORT on top of the VIBRA ...

Page 35: ...9 Place the VIBRA HOLDER shown side first 10 Lock the other side of the VIBRA HOLDER with the SS 93 ...

Page 36: ...the BOTTOM FLEX protective film 12 Align the BOTTOM FLEX by using the two shown holes Press the BOTTOM FLEX with the SS 93 to activate the adhesive Be careful not to damage the small components on the BOTTOM FLEX ...

Page 37: ... SS 298 tool to the ANTENNA COAX CABLE connector by first placing the tool on the cable and then sliding it towards the connector 14 Connect the ANTENNA COAX CABLE connector Be careful not to damage the connector ...

Page 38: ...15 Push the ANTENNA COAX CABLE around the shown corner 16 Push the MAIN ANTENNA to the SPEAKER BOX Check that the shown three clips are attached ...

Page 39: ...17 Place the SPEAKER BOX with the MAIN ANTENNA to the METAL DECO bottom end first Then press it to its place 18 Place the SIDE KEY ASSEMBLY ...

Page 40: ...19 Fasten the two TORX size 4 screws in the order shown to the torque of 8 Ncm 20 Remove the MICROPHONE protective film ...

Page 41: ...21 Push the AV CONNECTOR to its place first 22 Use the SS 93 to push the MICROPHONE and the USB CONNECTOR to their places ...

Page 42: ...23 Check that the CONNECTOR ASSEMBLY is correctly aligned 24 Remove the FRONT CAMERA SUPPORT protective film ...

Page 43: ...25 Place the FRONT CAMERA SUPPORT 26 Place the CAMERA BOOT to the FRONT CAMERA Note the alignment of the CAMERA BOOT ...

Page 44: ...ce the FRONT CAMERA as shown 28 Push the CONNECTOR ASSEMBLY connector through the CONNECTOR LATCH Push the CONNECTOR LATCH to its place with the SS 93 Be careful not to damage the CONNECTOR ASSEMBLY connector ...

Page 45: ...29 Remove the FLASH SUPPORT protective film Place the FLASH SUPPORT as shown 30 Place the PMIC THERMAL PAD ...

Page 46: ...31 Remove the CAMERA support protective film Place the CAMERA support as shown 32 Gently bend the CAMERA connector flex ...

Page 47: ...33 Connect the CAMERA connector Be careful not to damage the connector 34 Bend the CAMERA connector flex as shown Be careful not to damage the CAMERA connector flex ...

Page 48: ...GPS ANTENNA to the ENGINE BOARD as shown 36 Place the ENGINE BOARD to the METAL DECO bottom end first Guide the connectors away with the SS 93 Be careful not to damage or leave any connectors underneath the ENGINE BOARD ...

Page 49: ...37 Press the ENGINE BOARD gently until it snaps to its place 38 Place the MIMO ANTENNA ...

Page 50: ...39 Fasten the two TORX size 4 screws in the order shown to the torque of 8 Ncm 40 Lock the SS 298 tool to the ANTENNA COAX CABLE connector and connect it Be careful not the damage the connector ...

Page 51: ...oing any repair work check the latest technical bulletins in KICS for additional information on the COAX MOUNT 42 Before connecting the connectors place the two shown FLEX PROTECTIVE TAPES Before doing any repair work check the latest technical bulletins in KICS as there is going to be running changes in the hardware ...

Page 52: ...43 Connect the FRONT CAMERA connector with the SS 93 When connecting connectors be careful not damage them or any components nearby 44 Connect the CONNECTOR ASSEMBLY connector with the SS 93 ...

Page 53: ...45 Connect the DISPLAY connector with the SS 93 46 Connect the SIDE KEY ASSEMBLY connector with the SS 93 ...

Page 54: ...47 Connect the BOTTOM FLEX connector with the SS 93 48 Place the CONNECTOR SUPPORT FRAME ...

Page 55: ... size 6 screws in the order shown to the torque of 15 Ncm 50 Connect the BATTERY connector Make sure to connect the BATTERY connector last to avoid short circuit Be careful not to damage the connector or any components nearby ...

Page 56: ...51 Remove the camera opening protective film 52 Place the BACK COVER and press from the shown places to attach the right side of the back cover first ...

Page 57: ...53 Attach the bottom end of the BACK COVER by pressing from the shown places 54 Then attach the left side of the BACK COVER by pressing from the shown places ...

Page 58: ...5 Attach the top end of the BOTTOM COVER You might need to push the BACK COVER slighty towards bottom end of the phone and then press the BACK COVER to its place 56 Remove the BACK COVER protective film ...

Page 59: ...57 Push in the SIM TRAY 58 Remove the DISPLAY protective film ...

Page 60: ...59 The Nokia Lumia 925 assembly procedure is complete END OF ASSEMBLY 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 61: ...3 LB B7 MIMO ant trimmin spring X7805 Vibra spring X2104 Display support GND spring X1362 F1350 WLC connector X3300 Camera LED spring X1470 Main antenna coax connector X7823 Vibra fuse Camera LED GND spring F2100 WLAN GPS ant spring X7800 NFC ant spring X6500 HB MIMO ant spring X7802 LB B7 MIMO ant spring X7804 NFC ant spring X6501 X1471 Display support GND spring X1361 TOP BOTTOM 2013 Nokia Confi...

Page 62: ...l SS 298 RF connector disassembly assembly tool SS 317 Battery removal tool SS 318 Protective cover Nokia Standard Toolkit v2 For more information refer to the Service Bulletin SB 011 on Nokia Online Supplier or manufacturer contacts for tool re order can be found in Recommended service equipment document on Nokia Online 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 63: ...6 Ambient light proximity sensor 5 Earpiece 4 3 5 mm AHJ connector 3 Secondary microphone 2 Micro USB connector 1 Micro SIM holder 10 Start key 11 Search key 12 Microphone 13 Dual LED flash 14 Main camera 15 Volume keys 16 Power Lock key 17 WLC cover contacts 18 Camera key 19 Loudspeaker 20 MIMO antenna 21 WLAN GPS antenna 22 NFC area 23 Main antenna v1 0 2013 Nokia Nokia Internal Use only All Rig...

Page 64: ...Nokia Lumia 925 RM 892 RM 893 RM 910 Version 2 0 Service concept Flashing concept Note Charged battery is man datory Transceiver with embedded battery Service software CA 101 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 65: ...er when the volume down and power keys are pressed for 10 15 seconds To perform the hardware reset press and hold the Volume down and Power keys at the same time for about 10 15 seconds until a short vibration is felt The phone should restart by itself Software operating system OS reset The software operating system OS reset returns the phone to its out of the box state Note that this procedure er...

Page 66: ...h phone keys Step 1 Make sure the phone is turned Off 1 Press and hold the power key 2 Phone vibrates release the power key 3 Press and hold the volume down key 4 Exclamation mark is shown on the screen release the volume down key Step 2 Input the following key combination 1 Volume up 2 Volume down 3 Power 4 Volume down Step 3 The phone will reset and boot up automatically 2013 Nokia Nokia Interna...

Page 67: ... 893 RM 910 Version 2 0 Version history Version Date Description 1 0 23 05 2013 First published version 2 0 19 07 2013 Updated exploded view solder components disassembly assembly and service devices 2013 Nokia Nokia Internal Use only All Rights Reserved ...

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