Nokia Lumia 525 Service Manual Download Page 1

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Check the repair

policy before

performing any

mechanical repair

on Service Level

1&2!

Service Manual for L1 and L2

Nokia Lumia 525

RM-998

Key features

Full WP8 Experience in affordable package

1 GHz Dual core CPU

4.0" IPS LCD Display (800 x 480 pixels)

5 MP Auto focus camera and 720p HD video recording

MicroSD card support up to 64GB

Version 1.0

Exploded view

Disassembly steps

Assembly hints

Solder components

Service devices

Product controls and interfaces

Service concept

Phone reset

Summary of Contents for Lumia 525

Page 1: ...z 1 GHz Dual core CPU z 4 0 IPS LCD Display 800 x 480 pixels z 5 MP Auto focus camera and 720p HD video recording z MicroSD card support up to 64GB Version 1 0 Exploded view Disassembly steps Assembly hints 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 ...

Page 2: ...HESIVE I0008 CAMERA KEY I0027 HEAT SPREADER I0009 TYPE LABEL I0012 AV JACK I0006 SPEAKER GASKET I0022 IHF SPEAKER I0023 POWER KEY I0028 CELL PA SHIELDING LID I0021 RF IC SHIELDING LID I0018 MICROPHONE GASKET I0010 SCREW TORX SIZE 4 M1 4 X 3 4 I0013 EMMC SHIELDING LID I0017 SCREW TORX SIZE 4 M1 4 x 4 5 I0025 DISPLAY SUPPORT ASSEMBLY I0003 I0010 1 B COVER ASSEMBLY I0026 I0028 4 D COVER ASSEMBLY I002...

Page 3: ...Nokia Lumia 525 RM 998 Version 1 0 Disassembly steps 1 For disassembling you need the Nokia Standard toolkit version 2 You will also need the camera removal tool SS 305 and an AV plug 2 Protect the TOUCH WINDOW with protective film ...

Page 4: ...3 Release the BACK COVER by pushing from the top 4 Remove the BACK COVER ...

Page 5: ...5 Lift up the BATTERY from the bottom and remove it 6 Unscrew the five Torx size 4 screws in the order shown Do not use them again Discard them ...

Page 6: ...7 Unscrew the three Torx size 4 screws in the order shown Do not use them again Discard them 8 Release the two clips on the left side of the D COVER with the SRT 6 starting from the bottom ...

Page 7: ...9 Then release the two clips on the right side of the D COVER starting from the bottom 10 Release also the top side of the D COVER from the shown place ...

Page 8: ...11 Lift up and remove the D COVER 12 Release the IHF SPEAKER with the SS 93 and remove it with tweezers Do not use it again Discard it ...

Page 9: ...13 Remove the SPEAKER GASKET with tweezers Do not use it again Disard it 14 Open the DISPLAY connector with the SS 93 Be careful not to damage the connector or any components nearby ...

Page 10: ...connector with the SS 93 Be careful not to damage the connector or any components nearby 16 Release the TOUCH WINDOW connector flex from the ENGINE BOARD by carefully pushing it with the SS 93 Be careful not to damage the flex ...

Page 11: ...17 Release the two clips holding the ENGINE BOARD with the SS 93 18 Lift up and remove the ENGINE BOARD ...

Page 12: ... 305 camera removal tool Insert the tool to the CAMERA socket Then press and hold from the sides and pull up the CAMERA 20 Release the EARPIECE with the sharp end of the SS 93 and remove it with tweezers Do not use it again Discard it ...

Page 13: ...21 Remove the EARPIECE GASKET with tweezers Do not use it again Discard it 22 Lift up the AV JACK with an AV plug while holding the AV JACK flex with finger ...

Page 14: ...23 Then carefully release the AV JACK flex with the SS 93 and remove the AV JACK 24 Remove the HEAT SPREADER with tweezers Do not use it again Discard it ...

Page 15: ...25 Release the DISPLAY SUPPORT from the shown place with the SRT 6 26 Separate the DISPLAY SUPPORT including the DISPLAY from the TOUCH WINDOW ...

Page 16: ...27 Protect the other side of the TOUCH WINDOW with protective film 28 Protect the DISPLAY with protective film ...

Page 17: ...om the hole next to the DISPLAY flex with the sharp end of the SS 93 Note that releasing the DISPAY is allowed ONLY from the shown place 30 Separate the DISPLAY from the DISPLAY SUPPORT Be careful not to damage the DISPlAY flex while guiding it through the DISPLAY SUPPORT ...

Page 19: ...ch the DISPLAY CONDUCTIVE TAPE to the bottom back side of the DISPLAY Start by removing the shown protective film from the DISPLAY CONDUCTIVE FILM 2 Attach the DISPLAY CONDUCTIVE TAPE to the DISPLAY FPC as shown Make sure that the shown holes of the DISPLAY CONDUCTIVE TAPE are aligned correctly with the DISPLAY FPC ...

Page 20: ...3 Fold the DISPLAY CONDUCTIVE TAPE to the front side of the DISPLAY as shown 4 Remove the remaining protective film of the DISPLAY CONDUCTIVE TAPE ...

Page 21: ...5 Fasten the three Torx size 4 screws in the order shown to the torque of 12 Ncm 6 Fasten the five Torx size 4 screws in the order shown to the torque of 11 Ncm ...

Page 22: ... the CAMERA KEY switch is working properly by pressing it halfway focusing and all the way taking a picture If the CAMERA KEY switch is not working it has to be replaced It is a level 2 part and needs soldering 8 Secondly check that the CAMERA KEY is assembled firmly by pushing it outwards from the inside of the BACK COVER ...

Page 23: ...9 Then assemble the BACK COVER to the device bottom left corner first Do not touch the SIDE KEYS 10 Then press the BACK COVER to the device until it snaps ...

Page 24: ...her working device and if it works swap the BACK COVER to a new one 12 After the assembly procedure is complete power on the device and put it in dark environment Then check that there is no light leakage visible on the bottom right corner of the display 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 25: ...tch Antenna GND spring Antenna GND spring Antenna GND spring WLAN Antenna spring GNSS Antenna spring Main antenna GND spring Main antenna spring Micro SD ASIP filter Camera fuse ALS Proxy connector AV Jack connector Volume down switch Power Lock switch Camera switch Antenna GND spring Antenna GND spring IHF Speaker spring IHF Speaker spring BOTTOM TOP 2013 Nokia Confidential All Rights Reserved ...

Page 26: ...harger BL 5J SS 305 Camera removal tool 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 27: ...6 15 10 Camera 9 Micro USB connector 8 Microphone 7 Search key 6 Back key 5 Home key 4 Touch screen 3 Ambient light Proximity sensors 1 3 5 mm AHJ connector 2 Earpiece 11 Volume keys 12 Power Lock key 13 Camera key 14 Loudspeaker 15 GNSS antenna 16 Cellular antenna v1 0 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 28: ...Lumia 525 RM 998 Version 1 0 Service concept Flashing concept Transceiver Service software CA 101 Care Dummy Battery with power supply via Nokia charger or product specific battery 2013 Nokia Nokia Internal Use only All Rights Reserved ...

Page 29: ...orm a hardware reset remove the battery and wait for one minute before reinserting it Boot up the phone normally 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 all consumer data Always first try to perform a hardware reset Option 1 About menu Use this option if the consumer knows the lock code ...

Page 30: ...e 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 Please note that this may take several minutes ...

Page 31: ...ServiceManual Level 1 and2 Nokia Lumia 525 RM 998 Version 1 0 Version history Version Date Description 1 0 28 11 2013 First published version 2013 Nokia Nokia Internal Use only All Rights Reserved ...

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