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Nokia RM-914 Service Manual

Lumia 520
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See also: Service Schematics , User Manual
Service Manual for L1 and L2
Nokia Lumia 520
RM-914, RM-915
Key features
Full WP8 Experience in affordable package
1 GHZ Dual core CPU
4.0" LCD Display (800 x 480 pixels)
720P HD Video recording
MicroSD card support up to 64GB
Version 1.0
Exploded view
Solder components
Service concept
Disassembly steps
More
Service devices
More
Phone reset
More
©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
Check the repair
policy before
performing any
mechanical repair
on Service Level
1&2!
Assembly hints
More
Product controls and interfaces
More
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Summary of Contents for Nokia RM-914

  • Page 1 1&2! Version 1.0 Exploded view Disassembly steps Assembly hints More More More Solder components Service devices Product controls and interfaces More More More Service concept Phone reset More More ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 2: Exploded View

    I0013 B-COVER ASSEMBLY (I0026 - I0028) CAMERA KEY I0027 POWER KEY VOLUME KEY I0028 I0026 Only available Not reuseable Repair/swap v1.0 as assembly after removal only in level 3 ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 3: Disassembly Steps

    Disassembly steps Nokia Lumia 520 RM-914, RM-915 Version 1.0 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 15) Open the TOUCH WINDOW 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 19) Remove the CAMERA with the SS-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.
  • 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 29) Carefully release the DISPLAY from the DISPLAY SUPPORT by pushing from 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 18 31) The Nokia Lumia 520 disassembly procedure is complete. -END OF DISASSEMBLY- ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 19: Assembly Hints

    Service Manual Level 1 and 2 Assembly hints Nokia Lumia 520 RM-914, RM-915 Version 1.0 1) Before assembling the DISPLAY attach the DISPLAY CONDUCTIVE TAPE to the bottom back side of the DISPLAY as shown. 2) After the DISPLAY connector is connected, hold the connector with a finger and use the SS-93 to bend the flex down from the edge of the ENGINE BOARD, so that the result is as shown.
  • Page 20 3) Fasten the three Torx+ size 4 screws in the order shown to the torque of 12 Ncm. 4) Fasten the five Torx+ size 4 screws in the order shown to the torque of 14 Ncm. ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 21: Solder Components

    Antenna connector connector GND spring BOTTOM Main antenna spring X7760 Main antenna X7761 GND spring X7720 X7767 Z5200 X1401 WLAN Antenna GNSS Antenna Micro SD Display spring spring ASIP filter connector v1.0 ©2013 Nokia | Confidential | All Rights Reserved.

  • Page 22: Service Devices

    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 23 9 — Micro USB connector 10 — Camera 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 24 Service Manual Level 1 and 2 Service concept Nokia Lumia 520 RM-914, RM-915 Version 1.0 Flashing concept Service CA-101 software Care Dummy Battery with power supply via Nokia charger or product specific battery Transceiver ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 26: Phone Reset

    Service Manual Level 1 and 2 Phone reset Nokia Lumia 520 RM-914, RM-915 Version 1.0 Hardware reset If the phone hardware is jammed, you should first recommend that the consumer performs a hardware reset. The hardware reset does not reset the Windows Live ID or remove any consumer data.
  • Page 27 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. ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 28: Version History

    Service Manual Level 1 and 2 Version history Nokia Lumia 520 RM-915, RM-915 Version 1.0 Version Date Description 28.02.2013 First published version ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

This manual is also suitable for:

Rm-915Lumia 520

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