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Nokia 3720 Classic RM-518

Service Manual Level 1&2

 

3

  

 

 

      CONFIDENTIAL  

    

1.

 

CHANGE HISTORY 

Status Version 

No. 

Date  Comments 

Draft 0.1  16.6.2009 

First 

draft 

Approved 

1.0 

25.6.2009 

First approved version 

 

The purpose of this document is to help NOKIA service levels 1 and 2 workshop technicians to 
carry out service to NOKIA products. This Service Manual is to be used only by authorized 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 notify NOKIA using 
the address below: 

CMO Operation & Logistics 
Training and Vendor Development 
Multimedia Creation & Support 

mailto:[email protected]

 

Please keep in mind also that this documentation is continuously being updated and modified, 
so watch always out for the newest version. 

 

Issue 1  

 

         

Copyright © 2009

 

NOKIA. All rights reserved. 

 

Содержание 3720 classic

Страница 1: ...y Up to 16 7 M colours Camera 2 Mpix with full screen viewfinder 4 x digital zoom LED flash Operating System Series 40 Platform Release 8 1 Connections Bluetooth 2 1 EDR 2 5 mm AV connector Micro USB MicroSD card up to 8 GB Transceiver with BL 6MT battery pack Talk time Standby Note Up to 7 hours Up to 450 hours Depends on network parameters and phone settings Issue 1 Copyright 2009 NOKIA All righ...

Страница 2: ...2 Copyright 4 3 Warnings and cautions 5 3 1 Warnings 5 3 2 Cautions 5 4 ESD protection 6 5 Care and maintenance 7 6 Battery information 8 7 Exploded view 9 8 Service devices 10 9 SW update 11 10 Disassembly instructions 12 11 Assembly hints 18 11 1 Assembling the C COVER 18 11 2 Screw order and torque 19 12 Solder components 20 ...

Страница 3: ...at 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 notify NOKIA using the address below CMO Operation Logistics Training and Vendor Dev...

Страница 4: ... 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 implied including but not limited to the implied warra...

Страница 5: ...N 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 EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE 3...

Страница 6: ...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 metallized 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 protection ESD protected spare part packages MUST NOT ...

Страница 7: ... 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 harsh chemicals cleaning solvents or strong det...

Страница 8: ...ff 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 clip or pen causes direct connection of the and ...

Страница 9: ...a 3720 Classic RM 518 Service Manual Level 1 2 9 CONFIDENTIAL 7 EXPLODED VIEW See corresponding ITEM CIRCUIT REF in the Spare Parts Service Bulletins on NOL Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 10: ...0 Universal Soldering Jig BL 5CT internal battery SS 88 camera removal tool AC 8 charger CA 101 Service Cable NMP 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 Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 11: ...W UPDATE Flash concept Point of Sales To use the FLS 5 Flash Dongle you have to follow the user guide inside the sales package Please check always for the latest version of flash software which is available on Nokia Online Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 12: ...n need to be sent to Level 3 for repair Note All devices with damage caused by liquid and or intrusion need to be sent to Level 3 for repair 1 Use a coin to unlock the C COVER ASSY in the direction shown 2 Lift up the C COVER ASSY using SS 93 3 Remove the C COVER 4 Remove the battery 5 Open the USB DOOR 6 Unscrew the SCREW with Torx 6 Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 13: ...art from the bottom under the rubber sealing 8 Slide SRT 6 towards the top side 9 under the rubber sealing 10 Do the same procedure on the opposite side of the A COVER ASSY 11 Remove the A COVER ASSY and KEYPAD 12 Lift up the KEYPAD with SS 93 from both sides Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 14: ...Protect the LCD with protection foil and unscrew the six screws with Torx 6 15 Remove the PWB including the LCD and UI SHIELDING LID ASSY 16 Release the snaps of the UI SHIELDING LID ASSY with SS 93 as shown 17 Remove the UI SHIELDING LID ASSY Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 15: ... Flip open the LCD 19 and remove the FLEX SHIELDING LID ASSY using dental tool tweezers Do not use the FLEX SHIELDING LID ASSY again 20 Carefully disconnect the LCD with SS 93 21 Remove the LCD 21 Remove the CAMERA GASKET Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 16: ...ease the CAMERA MODULE using SS 88 23 Pull out the USB COVER 24 Do not use the USB COVER again 25 Carefully remove the ANTENNA MODULE ASSY using SS 93 26 Separate the ANTENNA MODULE ASSY inclusive IHF SPEAKER from the B COVER Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 17: ...Nokia 3720 Classic RM 518 Service Manual Level 1 2 17 CONFIDENTIAL 27 Remove the IHF SPEAKER with tweezers End of disassembly Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 18: ...there is any damage that could jeopardize the IP54 water resistancy the damaged cover s need to be changed into new one s 11 1 Assembling the C COVER 1 Start to assemble the C COVER ASSY from the top 2 Use a coin to close the C COVER ASSY in the direction shown in the picture and at the same time push it slightly down until it snaps in 3 This is the position of the closed lock mechanism 4 Make sur...

Страница 19: ...Manual Level 1 2 19 CONFIDENTIAL 11 2 Screw order and torque 1 Tighten the screws to the torque of 18 Ncm in the order shown 2 Tighten the screw to the torque of 7 Ncm in the order shown Issue 1 Copyright 2009 NOKIA All rights reserved ...

Страница 20: ...assic RM 518 Service Manual Level 1 2 20 CONFIDENTIAL 12 SOLDER COMPONENTS 12 SOLDER COMPONENTS Solder components only for Level 2 Solder components only for Level 2 Issue 1 Copyright 2009 NOKIA All rights reserved ...

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