Nokia Lumia 1520 User manual

Check the repair
policy before
performing any
mechanical repair
on Service Level
1&2!
Service Manual for L1 and L2
Nokia Lumia 1520
RM-937, RM-938,
RM-939, RM-940 (AT&T)
Key features
5.98" ClearBlack display
2GB RAM
32 GB Internal mass memory (16 GB AT&T)
20 MP camera
Wireless charging
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.
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Service Manual Level 1 and 2
Nokia Lumia 1520
RM-937, RM-938, RM-939, RM-940 (AT&T)
Version 1.0
Exploded view
DISPLAY
I0003
VIBRA FLEX
I0004
SKYPE CAMERA
I0013
LIGHT SWAP PWB
I0014
HEAT SPREADER
I0008
SHOCK ADHESIVE
I0029
CAMERA
I0020
PMA FLEX
I0028
*Only in AT&T
variant RM-940
SIDE KEY FLEX
I0005
EARPIECE
I0009
VIBRA SUPPORT
I0022
BRIDGE CONNECTOR SUPPORT
I0023
DISPLAY CONNECTOR SUPPORT
I0021
LED FLASH
I0011
AV FLEX
I0012
SD TRAY
I0027
CHASSIS
I0002
BATTERY
I0006
BATTERY ADHESIVE
I0007
TYPE LABEL
I0015
TYPE LABEL
I0015
COAX CABLE 2
I0019
UNIBODY
I0010
IMEI LABEL
I0015
SIM TRAY
I0026
IHF ANTENNA
I0016
BOTTOM MODULE
0017
COAX CABLE 1
I0018
TOUCH WINDOW
I0001
SCREW TORX+
SIZE 4 M1.2 X 2.6
I0024
SCREW TORX+
SIZE 4 M1.2 X 2.6
I0024
SCREW TORX+
SIZE 4 M1.2 X 2.6
I0024
SCREW TORX+
SIZE 2 M1.4 x 2.0
I0025
DISPLAY ASSEMBLY
(I0001 - I0003)
1
LIGHT SWAP PACKAGE
(I0013 - I0015)
3
UNIBODY MODULE
(I0010 - I0012, I0028*)2
Only available
as assembly
Not reuseable
after removal
Repair/swap
only in level 3
©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2
Nokia Lumia 1520
RM-937, RM-938, RM-939, RM-940 (AT&T)
Version 1.0
Disassembly steps
1) For disassembling you need the Nokia Standard toolkit version 2. You will also need the SIM door key,
the unibody opening frame SS-321, the RF cable disassembly/assembly tool SS-298 and the battery
release tool SS-317.
Note that the device used in this disassembly procedure is RM-940.
2) The power must be off during the disassembly procedure.

3) Protect the DISPLAY with protective film.
4) Release the SD TRAY with the SIM door key and pull the tray out.

5) Release the SIM TRAY with the SIM door key and pull the tray out.
6) Use tweezers to remove the IMEI LABEL. Store the IMEI LABEL on non-stick surface so it can be re-
assembled.

7) Unscrew the TORX+ size 2 LOCKING RAIL SCREW.
8) Use the unibody opening frame SS-321 to separate the DISPLAY ASSEMBLY and the UNIBODY
ASSEMBLY. First place the bottom end of the device into the frame.

9) Place the top end of the device into the frame.
10) Start releasing the DISPLAY by pressing the device upper end from back side. Press both sides so
that the top end of the DISPLAY lifts up from UNIBODY ASSEMBLY.

11) Remove the unibody opening frame SS-321 and continue separating the DISPLAY by moving the
UNIBODY ASSEMBLY carefully from side to side with hands.
12) The DISPLAY and the UNIBODY ASSEMBLY can now be separated.

13) Use the SS-93 to detach one corner of the SHOCK ADHESIVE and then peel it off with fingers. Do not
use it again. Discard it.
14) Use the SS-93 to detach one corner of the HEAT SPREADER then peel it off with fingers. Do not use
it again. Discard it.
Do not damage the battery surface. Be careful not to leave residues from HEAT SPREADER around the
battery connector as it may cause shortcircuit. If adhesive residues are left on MSM shield lid, remove
them with isopropyl alcohol.

15) Unscrew this TORX+ size 4 screw. Do not use it again. Discard it.
16) Detach the BRIDGE CONNECTOR SUPPORT with tweezers.
Be careful not to damage the connectors underneath or any nearby components.

17) Use the SS-93 to open the BATTERY CONNECTOR.
Be careful not to damage the connector or any nearby components.
18) Use the SS-93 to open the BRIDGE CONNECTOR.
Be careful not to damage the connector or any nearby components.

19) Detach the BRIDGE FLEX from the BATTERY with fingers.
20) Use the SS-93 to release the DISPLAY CONNECTOR SUPPORT.

21) Remove the DISPLAY CONNECTOR SUPPORT with tweezers.
22) Use the SS-93 to open the SIDE KEY FLEX CONNECTOR.
Be careful not to damage the connector or any nearby components.

23) Use the SS-93 to open the DISPLAY CONNECTOR.
Be careful not to damage the connector or any nearby components.
24) Disconnect this RF CABLE with the SS-298. Lock the SS-298 to the top of the connector as shown
and lift it up carefully.
Be careful not to damage the connector or any nearby components.

25) Also disconnect the second RF CABLE with the SS-298. Lock the SS-298 to the top of the connector
as shown and lift it up carefully.
Be careful not to damage the connector or any nearby components.
26) Lift the first RF CABLE carefully from the cavity with fingers.
Do not use tweezers or sharp tools as those may damage the cable.

27) Lift the second RF CABLE carefully from the cavity with fingers.
Do not use tweezers or sharp tools as those may damage the cable.
28) Unscrew the four TORX+ size 4 screws. Do not use them again. Discard them.

29) Separate the IHF ASSEMBLY.
30) Use the SS-93 to carefully detach the BOTTOM MODULE from the IHF ANTENNA. Lever the BOTTOM
MODULE from both ends to loosen the adhesive.
Be careful not to damage the components underneath the BOTTOM MODULE.

31) The BOTTOM MODULE and the IHF ANTENNA can now be separated.
32) Disconnect the RF CABLEs with the SS-298. Lock the SS-298 to the top of the connectors as shown
and lift it up carefully.
Be careful not to damage the connectors or any nearby components.

33) Unscrew the five TORX+ size 4 screws. Do not use them again. Discard them.
34) Lift the ENGINE BOARD. Use the SS-93 if needed.
Be careful not to damage the components underneath the ENGINE BOARD.

35) Use the SS-93 to open the CAMERA CONNECTOR.
Be careful not to damage the connector or any nearby components.
36) Remove the CAMERA with tweezers.