Nokia 5250 RM-684 Service Manual Download Page 15

Nokia  5250  RM-684 

 

Service Manual Level 1&2 

   

15   

                                               

Confidential

Copyright © 2011 NOKIA

All rights reserved

 

     

 

                           

Version 3.0

 

 

 

 

13.  The  BOTTOM  DECO  can  now  be  separated.  The 
above  operations  will  damage  the  BOTTOM  DECO.  Do 
not use it again. Discard it. 

14. To remove the TOP DECO, first detach the USB cap. 

 

 

15. And then insert the SS-93 into the gap between the 
TOP DECO and B-COVER ASSY as shown. 

16. Slide the SS-93 between the TOP DECO and B-COVER 
ASSY as shown. 

 

 

17. Turn over the SS-93 to separate the TOP DECO and 
the B-COVER ASSY. 

18. Remove the remaining adhesive on A-COVER ASSY. 

 

 

 

Summary of Contents for 5250 RM-684

Page 1: ...00 1800 1900 Display LCM 16 7M color support resolution is 640 x 360 Camera Camera 2 0 megapixel 10x digital zoom Operating System Symbian V5 Connections Wireless Bluetooth Connector Wired Micro USB Memory Internal Memory total 150MB 59 5MB for end user External Memory Micro SD up to 16GB Talk time Standby Up to 7 hours Up to 420 hours Note Talk times are dependant on network parameter settings ...

Page 2: ...ble of Contents 1 CHANGE HISTORY 3 2 COPYRIGHT 4 3 WARNINGS AND CAUTIONS 5 4 ESD PROTECTION 6 5 CARE AND MAINTENANCE 7 6 BATTERY INFORMATION 8 7 EXPLODED VIEW 9 8 LEVEL 2 SOLDER COMPONENTS list 10 9 SERVICE DEVICES 11 10 SW UPDATE 12 11 DISASSEMBLY INSTRUCTION 13 12 ASSEMBLY INSTRUCTION 23 13 SOLDER COMPONENTS 30 ...

Page 3: ...ized NOKIA service suppliers and the content of it is confidential Please note that NOKIA provides also other guidance documents e g Service Bulletins for service suppliers follow these regularly and comply with the given instructions While every endeavor has been made to ensure the accuracy of this document some errors may exist If you find any errors or if you have further suggestions please not...

Page 4: ...t to make changes and improvements to any of the products described in this document without prior notice Under no circumstances shall Nokia be responsible for any loss of data or income or any special incidental consequential or indirect damages howsoever caused The contents of this document are provided as is Except as required by applicable law no warranties of any kind either express or implie...

Page 5: ... MUST NOT BE OPERATED IN AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES EG PETROL STATIONS SERVICE STATIONS BLASTING AREAS ETC 3 OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT INCLUDING CELLULAR TELEPHONES MAY INTERFERE WITH THE FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS OTHER ELECTRONIC ...

Page 6: ...s ESD protection must be applied All electronic parts of the product are susceptible to ESD Resistors too can be damaged by static electricity discharge All ESD sensitive parts must be packed in metalized protective bags during shipping and handling outside any ESD Protected Area EPA Every repair action involving opening the product or handling the product components must be done under ESD protect...

Page 7: ...amaged Do not store the phone in hot areas High temperatures can shorten the life of electronic devices damage batteries and warp or melt certain plastics Do not store the phone in cold areas When it warms up to its normal temperature moisture can form inside which may damage electronic circuit boards Do not drop knock or shake the phone Rough handling can break internal circuit boards Do not use ...

Page 8: ...the product switched on until it turns itself off or by using the battery discharge facility of any approved accessory available for the product Do not attempt to discharge the battery by any other means Use the battery only for its intended purpose Never use any charger or battery which is damaged Do not short circuit the battery Accidental short circuiting can occur when a metallic object coin c...

Page 9: ...Nokia 5250 RM 684 Service Manual Level 1 2 9 Confidential Copyright 2011 NOKIA All rights reserved Version 3 0 7 EXPLODED VIEW ...

Page 10: ... 0 4_19 217 GHC 2 V2302 1 8002294 LED_RED_Top_1 6 0 8 0 4mm 2 X2470 1 8002297 50 Pin connector socket 2 X5040 1 8002300 CONN_BTB_Socket_10PIN_4 7 3 6 1 45mm 2 X2502 1 8002299 CONN_Slide Switch_4PIN_13 2 6 4 4 5mm 2 X2450 1 5469334 CONN_BTB_Socket_10PIN_4 2 4 6 0 9mm 2 X7401 1 6442619 Spring_Antenna_3 7 1 5 2 6_CLN 2 X6000 1 6443094 Spring_BT_3 1 5 1 45_CLN 2 X2500 X2501 X2503 3 8002298 CONN_Switch...

Page 11: ...RJ 230 Soldering Jig This tool is used for PWB component de soldering and soldering Travel Charger AC 3E Small and lightweight charger for fast charging of your phone battery Internal Battery BL 4D Inserted under the back cover this Li Ion battery provides power in a sales package Nokia Standard Toolkit V2 For more information refer to the Service Bulletin SB 011 on NOKIA Online Supplier or manufa...

Page 12: ...Please check always for the latest version of flash software which is available on NOKIA Online For detailed flashing instruction please refer to Nokia Care Suite Store version user manual Note The service software used for flashing this product is Nokia Care Suite The correct name for the store application in Care Suite is Product Support Tool for Store ...

Page 13: ...50 disassembly 2 You will need the Nokia Standard Toolkit version 2 as shown and camera removal tool SS 88 3 First remove the STYLUS 4 Use the opening notch to release the BATTERY COVER 5 Remove the BATTERY COVER If there is a battery inserted remove it as well 6 Unscrew the two TORX size 5 screws in order as shown Remove them with the tweezers 1 2 ...

Page 14: ...h the tweezers 8 To remove the BOTTOM DECO first insert the SS 93 into the gap between the BOTTOM DECO and B COVER ASSY as shown 9 Slide the SS 93 between the BOTTOM DECO and B COVER ASSY as shown till encountering an obstacle 10 Re insert the SS 93 as shown 11 Turn over the SS 93 to separate the BOTTOM DECO and the B COVER ASSY 12 Remove the remaining adhesive on A COVER ASSY ...

Page 15: ... damage the BOTTOM DECO Do not use it again Discard it 14 To remove the TOP DECO first detach the USB cap 15 And then insert the SS 93 into the gap between the TOP DECO and B COVER ASSY as shown 16 Slide the SS 93 between the TOP DECO and B COVER ASSY as shown 17 Turn over the SS 93 to separate the TOP DECO and the B COVER ASSY 18 Remove the remaining adhesive on A COVER ASSY ...

Page 16: ...our TORX size 5 screws in order as shown Remove them with the tweezers 22 Release the two clips above the KEYMAT with the flat head screwdriver and then remove the KEYMAT 23 In order not to damage the surface of B COVER ASSY in the following operations find a protective sponge for the screwdriver and cover the flat head screwdriver with sponge as shown 24 Release the snap between A COVER ASSY and ...

Page 17: ...en A COVER ASSY and B COVER ASSY near it 27 Insert the flat head screwdriver into the position as shown and then turn it to release the clip between A COVER ASSY and B COVER ASSY near it 28 Insert the flat head screwdriver into the position as shown and then turn it to release the clip between A COVER ASSY and B COVER ASSY near it 29 Lift up the bottom of the A COVER ASSY Be careful not to break t...

Page 18: ...age the connector or any nearby components and flex 33 The upper and lower modules can now be separated 34 Release the clip between LCM METAL FRAME and A COVER ASSY by inserting the flat head screwdriver into the gap near it Be careful not to damage the structure of the housings 35 Continue to release the remaining clips by inserting the flat head screwdriver into the gaps as shown above Be carefu...

Page 19: ...A COVER ASSY with a protective tape 38 Protect the LCM with a protective tape 39 The A COVER ASSY can now be separated 40 Lever out the LCM with SS 93 as shown Be careful not to bend the LCM 41 The LCM and LCM METAL FRAME can now be separated 42 Lever out the FPC PROXIMITY with the dental tool Discard the FPC PROXIMITY Be careful not to injure yourself ...

Page 20: ...e the EARPIECE with the tweezers Discard it Do not use it again 46 Remove also the remains of the mesh of the EARPIECE from A COVER ASSY 47 Release the two clips as shown between IHF SPEAKER and B COVER ASSY by inserting the flat head screwdriver into the gap near them Be careful not to damage the housing structure 48 Pull the side wall of B COVER ASSY out with thumbs and push the PWB up with othe...

Page 21: ...ttom side of the PWB and remove it as the direction shown above 50 The PWB and B COVER ASSY can now be separated 51 Remove the DC JACK with the tweezers 52 Remove the AV JACK with the tweezers 53 Cut off the USB CAP Discard it Don t use it again 54 Unscrew the TORX size 5 screw on B COVER ASSY as shown Remove it with the tweezers ...

Page 22: ...e GROUNDING CLIP with tweezers as shown 56 Lever out the CAMERA LENS with the dental tool Discard the CAMERA LENS Be careful not to injure yourself 57 Release the snaps of IHF SPEAKER Side clips first and then bottom clips 58 Use the camera removal tool SS 88 to lever out the camera 59 Nokia 5250 disassembly is now complete ...

Page 23: ...of IHF SPEAKER should be fitted into the corresponding positioning holes of PWB 4 Put the CAMERA into the camera socket as shown Note that there are camera direction features on both CAMERA and camera socket to prevent mis alignment 5 The PWB assembly is now complete During the operations please be careful not to damage the springs and side switches on PWB 6 Take a new USB CAP Let the rubber bar g...

Page 24: ...ar will interfere with the vibrator 8 Assemble the AV JACK into the B COVER ASSY with the tweezers 9 Assemble the DC JACK into the B COVER ASSY with the tweezers 10 Push the lock key to the end of the direction as shown and fix it on the outer surface with a tape 11 The B COVER ASSY is now complete 12 Fix the top side fixing feature on PWB into the corresponding holes of B COVER ASSY as shown USB ...

Page 25: ...h thumbs and push the PWB down as shown 14 Be careful not to damage the side switches on PWB 15 Fix the two clips as shown between IHF SPEAKER and B COVER ASSY 16 The lower module assembly is now complete 17 Remove the protective tape of the EARPIECE adhesive and assemble it to the A COVER ASSY as shown 18 Assemble the RUBBER PROXIMITY with tweezers as shown ...

Page 26: ... LCM METAL FRAME as shown Note the two positioning pins on LCM METAL FRAME 21 The LCM METAL FRAME is now complete 22 Put the LCM into the LCM METAL FRAME and fix the four grounding snaps as shown Be careful not to bend the LCM during the assembly 23 Remove the protective tape on LCM and then remove the protective tape on A COVER ASSY as well 24 Fix the top clip of LCM METAL FRAME into the A COVER ...

Page 27: ... COVER ASSY as shown 26 The upper module assembly is now complete 27 Fix the LCM FPC PROXIMITY and A COVER ASSY connectors to PWB in order as shown Be careful not to damage the connectors and flex 28 Fix the top clip of A COVER ASSY to B COVER ASSY as shown 29 Fix the remaining clips as shown 30 Fix the downside two snaps of KEYMAT into the A COVER ASSY as shown 2 3 1 ...

Page 28: ...rews to the torque of 10 8 1 Ncm in the order shown 33 Tighten the screw to the torque of 10 8 1 Ncm to fix the GROUNDING CLIP as shown Also assemble the CAMERA LENS to B COVER ASSY 34 Tighten the two screws to the torque of 7 8 1 Ncm in the order shown 35 Tighten the screw to the torque of 7 8 1 Ncm as shown 36 Fix the adhesive onto the B COVER ASSY as shown and remove the protective tape 1 2 3 4...

Page 29: ... tape on a new TOP DECO and Fix it onto the A COVER ASSY in the direction as shown 38 Remove the protective tape on a new BOTTOM DECO and Fix it onto the A COVER ASSY in the direction as shown 39 Assemble the BATTERY COVER in the direction as shown 40 Insert the STYLUS in the direction as shown 41 The Nokia 5250 assembly is now complete ...

Page 30: ...Nokia 5250 RM 684 Service Manual Level 1 2 30 Confidential Copyright 2011 NOKIA All rights reserved Version 3 0 13 SOLDER COMPONENTS ...

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