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Service Manual Level 1 and 2

Nokia Lumia 720

RM-885
Version 1.0

Exploded view

SIDEKEY FLEX

I0006

EARPIECE

I0007

CAMERA 

CONNECTOR GASKET

I0016

FRONT CAMERA GASKET

I0009

LIGHT SWAP PWB

I0010

SIM DOOR

I0001

TYPE LABEL

I0011

AV MODULE

I0027

FLASH LED

I0026

EARPIECE GASKET

I0008

IC GASKET

I0014

CAMERA

I0015

DISPLAY MODULE
I0005

BATTERY
I0013

DISPLAY FRAME
I0004

RF COAX CABLE HOLDER
I0020

RF COAX CABLE
I0019

HEATSPREADER
I0018

IHF SPEAKER
I0022

CAMERA BOOT
I0017

WLC FLEX
I0029
BATTERY GASKET
I0028

UNIBODY ASSEMBLY
I0025

IHF SPEAKER GASKET
I0021

MAIN ANTENNA
I0023

SD DOOR
I0003

SCREW TORX+ 
SIZE 4 M1.4 x 2.5
I0024

SCREW TORX+ 

SIZE 4 M1.4 x 2.5

I0012

SCREW TORX+ 

SIZE 2 M1.2 x 2.6

I0002

FRONT CAMERA ASSEMBLY

2

DISPLAY MODULE ASSEMBLY

(I0004 - I0006)

1

LIGHT SWAP PACKAGE

(I0010, I0011)

4

USB FLEX ASSEMBLY

3

MAIN ANTENNA ASSEMBLY

(I0021 - I0023)

5

v1.0

Only available
as assembly

Not reuseable
after removal

Repair/swap
only in level 3

©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Summary of Contents for Lumia 720

Page 1: ...D display with Nokia ClearBlack technology z 6 7 Mpix main camera with f 1 9 aperture z 1 3 Mpix front camera z Bluetooth 3 0 NFC connectivity Version 1 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 M...

Page 2: ...F COAX CABLE I0019 HEATSPREADER I0018 IHF SPEAKER I0022 CAMERA BOOT I0017 WLC FLEX I0029 BATTERY GASKET I0028 UNIBODY ASSEMBLY I0025 IHF SPEAKER GASKET I0021 MAIN ANTENNA I0023 SD DOOR I0003 SCREW TORX SIZE 4 M1 4 x 2 5 I0024 SCREW TORX SIZE 4 M1 4 x 2 5 I0012 SCREW TORX SIZE 2 M1 2 x 2 6 I0002 FRONT CAMERA ASSEMBLY 2 DISPLAY MODULE ASSEMBLY I0004 I0006 1 LIGHT SWAP PACKAGE I0010 I0011 4 USB FLEX ...

Page 3: ...and 2 Nokia Lumia 720 RM 885 Version 1 0 Disassembly steps 1 For disassembling you need the Nokia Standard toolkit version 2 You will also need an AV plug and the SIM door key 2 Protect the DISPLAY MODULE with protective film ...

Page 4: ...3 Insert the SIM door key to the small hole on the SD DOOR and press it gently Remove the SD DOOR 4 Insert the SIM door key to the small hole on the SIM DOOR and press it gently Remove the SIM DOOR ...

Page 5: ... TORX size 2 screw Do not use it again Discard it 6 To release the DISPLAY MODULE insert the SRT 6 to the top left corner of the device and slide to the direction shown Be careful not to damage the UNIBODY ASSEMBLY ...

Page 6: ...e UNIBODY ASSEMBLY to the direction shown to release the top part of the DISPLAY MODULE 8 Release the left side of the UNIBODY ASSEMBLY by sliding the SRT 6 to the direction shown Be careful not to damage the UNIBODY ASSEMBLY ...

Page 7: ...ps on the right side of the device with the SRT 6 Do not slide the SRT 6 as it might damage the SIDEKEY FLEX 10 Lift the top end of the DISPLAY MODULE up first The DISPLAY MODULE and the UNIBODY ASSEMBLY can now be separated ...

Page 8: ...11 Use the AV plug to lever up the AV MODULE Remove the AV MODULE 12 Lift one corner of the BATTERY GASKET with the SS 93 and peel it off Do not use it again Discard it ...

Page 9: ...13 Use the SS 93 to release the top end of the WLC FLEX Be careful not to damage it 14 Then release the middle part of the WLC FLEX Be careful not to bend the flex ...

Page 10: ...15 Carefully release the bottom end of the WLC FLEX and remove it Be careful not to damage the flex 16 Use the SS 93 to release the FLASH LED Remove it with tweezers ...

Page 11: ...the BATTERY connector with the SS 93 Be careful not to damage the connector or any components nearby 18 Use the SS 93 to release the top parts of the HEATSPREADER Be careful not to damage the BATTERY connector ...

Page 12: ...19 Peel off the HEATSPREADER completely Do not use it again Discard it 20 Lift up the BATTERY with the SS 93 from the bottom end Remove the BATTERY ...

Page 13: ...21 Unscrew the three Torx size 4 screws in the order shown Do not use them again Discard them 22 Lift up and remove the MAIN ANTENNA ...

Page 14: ... tool to lever up the IHF SPEAKER Be careful not to injure yourself with the sharp end of the dental tool The IHF SPEAKER is not reusable Discard it 24 Release also the IHF SPEAKER GASKET with the dental tool Discard it ...

Page 15: ...areful when opening the connector Be also careful not to damage any components nearby 26 Unscrew the four Torx size 4 screws in the order shown Remove the screws with tweezers to avoid damaging the components on the ENGINE BOARD Do not use these screws again Discard them ...

Page 16: ...SIDEKEY FLEX connector Be careful not to damage the connector or any components nearby 28 Turn the ENGINE BOARD over as shown Open the DISPLAY connector with the SS 93 Be careful not to damage the connector or any components nearby ...

Page 17: ...29 Open also the USB FLEX connector with the SS 93 Be careful not to damage the connector or any components nearby 30 The ENGINE BOARD can now be separated ...

Page 18: ... connector with the SS 93 and remove it Be careful not to damage the connector or any components nearby 32 Open the CAMERA connector with the SS 93 and remove it Be careful not to damage the connector or any components nearby ...

Page 19: ...33 Remove the CAMERA CONNECTOR GASKET with tweezers Do not use it again Discard it 34 Remove the CAMERA BOOT ...

Page 20: ...35 Release the IC GASKET with the dental tool Be careful not to damage the ENGINE BOARD Do not use the IC GASKET again 36 Lift up the RF COAX CABLE HOLDER with the RF COAX CABLE from the shown places ...

Page 21: ...tor of the RF COAX CABLE with the SRT 6 Be very careful not to damage the connector or any components nearby Remove the RF COAX CABLE and the RF COAX CABLE HOLDER 38 Separate the RF COAX CABLE from the RF COAX CABLE HOLDER as shown ...

Page 22: ...39 Release the USB FLEX with the SS 93 Be careful not to damage the flex Lift up and remove the USB FLEX 40 Release the EARPIECE with the SS 93 and remove it with tweezers Do not use it again Discard it ...

Page 23: ...41 Remove the EARPIECE GASKET with the dental tool and discard it 42 Remove the SIDEKEY FLEX with the SS 93 The SIDEKEY FLEX is not reusable Discard it ...

Page 24: ...43 Remove the adhesive remains from the DISPLAY FRAME 44 Use the dental tool to remove the FRONT CAMERA GASKET Do not use it again Discard it ...

Page 25: ...45 The Nokia Lumia 720 disassembly procedure is complete END OF DISASSEMBLY 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 26: ... 1 and 2 Nokia Lumia 720 RM 885 Version 1 0 Assembly steps For assembling you need the Nokia Standard toolkit version 2 Remove the shown protective film from the SIDEKEY FLEX Do not remove rest of the protective films yet ...

Page 27: ...DEKEY FLEX to the DISPLAY FRAME Align the two shown SIDEKEY FLEX holes with the DISPLAY FRAME pins Remove the remaining protective films Lower down the bottom end of the SIDEKEY FLEX and align it with the shown pin ...

Page 28: ...Press the SIDEKEY FLEX for 5 seconds to activate the adhesive Remove the shown protective film from the EARPIECE GASKET ...

Page 29: ...Place the EARPIECE GASKET to the DISPLAY FRAME Press the EARPIECE GASKET to activate the adhesive Remove the remaining protective film Remove the EARPIECE from its package ...

Page 30: ...AME Note the alignment of the EARPIECE Press the EARPIECE gently to activate the adhesive Do not touch the center part of the EARPIECE Bend the shown protective film of the FRONT CAMERA GASKET upwards Then remove the other protective film ...

Page 31: ...e FRONT CAMERA GASKET to the DISPLAY FRAME and press it to activate the adhesive Remove the protective film Place the CAMERA BOOT to the ENGINE BOARD Be careful not to damage any components on the ENGINE BOARD ...

Page 32: ...Remove the IC GASKET protective film Place the IC GASKET to the ENGINE BOARD as shown ...

Page 33: ...Remove the CAMERA CONNECTOR GASKET protective film Place the CAMERA CONNECTOR GASKET and align it with the shown edge Bend the CAMERA flex slightly Be careful not to damage the CAMERA flex ...

Page 34: ... the SS 93 Be careful not to damage the connector or any nearby components Turn over the CAMERA and push it to its place Connect the FRONT CAMERA connector with the SS 93 Be careful not to damage the connector or any nearby components ...

Page 35: ...Place the USB FLEX to the DISPLAY FRAME Make sure the two shown guiding pins are aligned correctly Press the USB FLEX gently with the SS 93 to activate the adhesive ...

Page 36: ...e the bigger connector of the RF COAX CABLE on of top the shown connector and attach it by pressing gently with the SS 93 Be very careful not to damage the connector Place the COAX CABLE HOLDER to its place ...

Page 37: ...Push the COAX CABLE to the COAX CABLE HOLDER as shown Make sure that the COAX CABLE is correctly placed to the COAX CABLE HOLDER Remove the PROXY SENSOR protective film ...

Page 38: ...GINE BOARD as shown and connect the DISPLAY connector Be careful not to damage the connector or any nearby components Connect also the USB connector Be careful not to damage the connector or any nearby components ...

Page 39: ...own the ENGINE BOARD and press it slightly Use the SS 93 to push the PROXY SENSOR to its place Connect the SIDEKEY FLEX connector with the SS 93 Be careful not to damage the connector or any nearby components ...

Page 40: ...Fasten the four TORX size 4 screws in the order shown to the torque of 13Ncm Connect the RF COAX CABLE connector as shown Be very careful not to damage the connector ...

Page 41: ...Place the IHF SPEAKER GASKET Press it gently to activate the adhesive Place the IHF SPEAKER Note the alignment of the IHF SPEAKER Press the IHF SPEAKER to its place ...

Page 42: ...Place the MAIN ANTENNA and press it gently Fasten the three TORX size 4 screws in the order shown to the torque of 10Ncm ...

Page 43: ...Place the BATTERY top end first Lower down and press the bottom end to lock the BATTERY into its place Remove the shown protective film of the HEATSPREADER ...

Page 44: ... end of the BATTERY as shown Then align the top end of the HEATSPREADER with the shown corner of the ENGINE BOARD SHIELDING LID While placing the HEATSPREADER be careful not to damage the BATTERY connector Press the HEATSPREADER to activate the adhesive and remove the protective film ...

Page 45: ...Connect the BATTERY CONNECTOR Be careful not to damage the connector or any nearby components Place the AV MODULE on the UNIBODY ASSEMBLY Press the AV MODULE to lock it into its place ...

Page 46: ...Use the SS 93 to attach the AV MODULE flex Check that the AV MODULE flex is aligned with the two pins Place the FLASH LED and press it gently to activate the adhesive ...

Page 47: ...f the WLC FLEX Place the top end of the WLC FLEX first and align the two shown holes of the flex with the UNIBODY ASSEMBLY Be careful not to damage the flex while attaching it Press the top end of the flex gently to activate the adhesive ...

Page 48: ...ce the bottom end of the WLC FLEX to its cavity and press it gently to activate the adhesive At last press the middle part of the WLC FLEX to activate the adhesive Remove the BATTERY GASKET protective film ...

Page 49: ...Place the BATTERY GASKET on top of the WLC FLEX Align the BATTERY GASKET to the center of the UNIBODY ASSEMBLY as shown Remove the FLASH LED and the CAMERA protective films ...

Page 50: ...first Then lower down the top end When lowering down the top end of the DISPLAY MODULE note that the SIM DOOR button might be in the up position as shown Use the SS 93 to push in the SIM DOOR button and insert the top end of the DISPLAY MODULE into the UNIBODY ASSEMBLY ...

Page 51: ...Press the DISPLAY MODULE from all sides to properly attach it to the UNIBODY ASSEMBLY Push in the SD DOOR ...

Page 52: ...Fasten the TORX size 2 screw to the torque of 7Ncm Push in the SIM DOOR ...

Page 53: ...Remove the DISPLAY protective film Remove the UNIBODY ASSEMBLY protective film ...

Page 54: ...The Nokia Lumia 720 assembly procedure is complete END OF ASSEMBLY 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 55: ... X1351 Grounding spring clip Touch panel connector Grounding spring clip Camera fuse Grounding spring clip BT WLAN antenna spring B1 diversity antenna spring Wireless charging connector LED Flash connector LED Flash grounding NFC antenna spring NFC antenna grounding spring AV connector GPS antenna spring BOTTOM v1 0 2013 Nokia Confidential All Rights Reserved ...

Page 56: ...0 Travel charger SIM door key 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 57: ...r Lock key 17 Camera key 18 Wireless charging cover connector 19 Loudspeaker 20 Main antenna area 9 Search key 8 Start key 7 Back key 6 Touch screen 5 Ambient light Proximity sensors 4 Earpiece 3 Front camera 2 SIM card holder 1 Nokia AV 3 5 mm connector 10 Micro USB connector 11 Microphone 12 Camera 13 Micro SD card holder v1 0 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 58: ...1 and 2 Nokia Lumia 720 RM 885 Version 1 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 59: ... the volume down and power keys are pressed for 10 seconds To perform the hardware reset press the Volume down and Power keys and hold them for 10 seconds The phone screen will turn black phone is off Then press the Power key to turn on the phone 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 erases a...

Page 60: ...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 61: ...Service Manual Level 1 and 2 Nokia Lumia 720 RM 885 Version 1 0 Version history Version Date Description 1 0 26 02 2013 First published version 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 62: ...www s manuals com ...

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