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Service Manual for L1 and L2
RM-840, RM-841
RM-839
Key features
2.4 " LCD display (320 x 240 pixels)
3.2 Mpix camera
Dual SIM functionality (RM-839)
GSM/WCDMA
MicroSD card support up to 32 GB
Version 1.0
Service concept
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©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
Check the repair
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mechanical repair
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Product controls and interfaces
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Table of Contents
Related Manuals for Nokia 301
Summary of Contents for Nokia 301
- Page 1 MicroSD card support up to 32 GB 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 More ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
- Page 2 Service Manual Level 1 and 2 Exploded view Nokia 301, 301 Dual SIM RM-840, RM-841, RM-839 Version 1.0 Nokia 301 Dual SIM RM-839 A-COVER I0001 KEYMAT I0002 UI FLEX DISPLAY I0005 I0003 SCREW TORX+ SIZE 4 M1.4 x 4.5 I0004...
- Page 3 I0014 ANTENNA MODULE I0019 SCREW TORX+ SIZE 4 BATTERY COVER M1.4 x 4.5 I0021 I0020 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 4 RM-840, RM-841, RM-839 Version 1.0 1) For disassembling you need the Nokia Standard toolkit version 2. You will also need the camera removal tool SS-276. Note that the device used in this disassembly procedure is the single SIM variant, RM-840/RM-841. All the disassembly steps are the same for both single and dual SIM variants.
- Page 5 3) Release the BATTERY COVER by lifting up from the release notch. 4) Remove the BATTERY COVER.
- Page 6 5) Unscrew the four Torx+ size 4 screws in the order shown. Do not use them again. Discard them. 6) To remove the D-COVER, first release the shown clip on the bottom side with the SRT-6.
- Page 7 7) Then release the clips from the left side, starting from the bottom. 8) Then release the clips from the right side, starting from the bottom.
- Page 8 9) Release also the two clips from the top. 10) Lift up and remove the D-COVER including the ENGINE BOARD and UI SHIELDING.
- Page 9 11) Protect the other side of the A-COVER with protective film. 12) Push out the KEYMAT from the A-COVER.
- Page 10 13) Protect the DISPLAY with protective film. 14) Unscrew the two Torx+ size 4 screws in the order shown. Do not use them again. Discard them.
- Page 11 15) Separate the ENGINE BOARD and the UI SHIELDING from the D-COVER by first releasing the bottom corners with the SRT-6. 16) Lift up to remove the ENGINE BOARD including the UI SHIELDING from the D-COVER.
- Page 12 17) Open the DISPLAY connector with the SS-93. Be careful not to damage the connector or any components nearby. 18) Open the UI FLEX connector with the SS-93. Be careful not to damage the connector or any components nearby.
- Page 13 19) Use the SS-93 to release the two clips holding the UI SHIELDING on the ENGINE BOARD. 20) Separate the UI SHIELDING including the DISPLAY from the ENGINE BOARD.
- Page 14 21) Use the dental tool to carefully release the DISPLAY from the UI SHIELDING. Be careful not to injure yourself with the sharp end of the dental tool. Release the DISPLAY little by little to avoid breaking it. 22) Remove the DISPLAY.
- Page 15 23) Peel off the UI FLEX with tweezers. Do not use it again. Discard it. 24) Release the EARPIECE with the SS-93 and remove it with tweezers. Do not use the EARPIECE again. Discard it.
- Page 16 25) Peel off and discard any EARPIECE ADHESIVE remains from the UI SHIELDING. 26) Insert the camera removal tool SS-276 to the CAMERA socket and press and hold down the button on top of the SS-276.
- Page 17 27) Pull up to remove the CAMERA. 28) Release the IHF SPEAKER with the dental tool and remove it with tweezers. Do not use it again. Discard it.
- Page 18 29) Release the SPEAKER GASKET with the dental tool and remove it with tweezers. Do not use it again. Discard it. 30) Push down to remove the ANTENNA MODULE from the D-COVER.
- Page 19 31) The Nokia 301 disassembly procedure is complete. -END OF DISASSEMBLY- ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
- Page 20 Service Manual Level 1 and 2 Assembly hints Nokia 301, 301 Dual SIM RM-840, RM-841, RM-839 Version 1.0 1) When assembling the UI FLEX, first remove the adhesive foil and place the UI FLEX on the UI SHIELDING. Use the shown guiding holes to get the right alignment.
- Page 21 3) Fasten the two Torx+ size 4 screws in the order shown to the torque of 15 Ncm. 4) Fasten the four Torx+ size 4 screws in the order shown to the torque of 15 Ncm. ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
- Page 22 Service Manual Level 1 and 2 Solder components Nokia 301, 301 Dual SIM RM-840, RM-841, RM-839 Version 1.0 Nokia 301 RM-840, RM-841 RTC Backup capacitor G2080 BOTTOM Display UI Flex RF antenna RF antenna USB fuse connector connector GND connector...
- Page 23 Nokia 301 Dual SIM RM-839 RTC Backup capacitor G2080 BOTTOM Display UI Flex RF antenna RF antenna USB fuse connector connector GND connector connector F2050 X2400 X7452 X7454 X7453 RF antenna GND connector v1.0 ©2013 Nokia | Confidential | All Rights Reserved.
- Page 24 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 25 11 — Microphone 12 — Camera 13 — MicroSD card slot 14 — SIM2 slot (Only in Dual SIM) 15 — Loudspeaker 16 — Cellular antenna Dual SIM Single SIM v1.0 ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
- Page 26 Service Manual Level 1 and 2 Service concept Nokia 301, 301 Dual SIM RM-840, RM-841, RM-839 Version 1.0 Flashing concept Service CA-101 software FLS-5 Product specific battery Transceiver ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
- Page 27 Service Manual Level 1 and 2 Version history Nokia 301, 301 Dual SIM RM-840, RM-841, RM-839 Version 1.0 Version Date Description 25.03.2013 First published version ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
- Page 28 www.s-manuals.com...