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SERVICE MANUAL
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COMPANY CONFIDENTIAL
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Level 1&2
Draft 4.0
MGR
14.May.2007
RM-237
RM-274
Transceiver characteristics:
Band: Tri-band phone for EGSM 900/1800/1900MHz
Display: Active TFT color display with 262.144 colors,
resolution 128 x 160 pixel
Camera:
RM-237 only: 1.3 Megapixel camera with 8x digital zoom
Operating System: Series 40
Bluetooth
IRDA
FM radio (RM-237 only)
Connector: mini USB Connector
Memory Card: microSD™
Transceiver with BL-5c Li-Ion battery pack
Talk time Standby Note
up to 4h up to 16,5days
Environmental characteristics:
• Lead-free soldered
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
Depends on network
parameters
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Draft 4.0
MGR
14.May.2007
TABLE OF CONTENTS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
INTRODUCTION 3
EXPLODED VIEW
SPARE PARTS OVERVIEW
GENERAL RECYCLING RECOMMENDATION
LEVEL 2 SOLDER COMPONENTS
SERVICE TOOLS
SW-UPDATE 1
DISASSEMBLY INSTRUCTION 1
ASSEMBLY HINTS 1
DOME SHEET ALIGNMENT INSTRUCTION 2
LEGEND FOR QUICK TROUBLE SHOOTER 2
QUICK TROUBLE SHOOTER - POWER ON 2
QUICK TROUBLE SHOOTER - CHARGING 2
QUICK TROUBLE SHOOTER - NO SERVICE 2
QUICK TROUBLE SHOOTER - EARPIECE 2
QUICK TROUBLE SHOOTER - IHF SPEAKER 2
QUICK TROUBLE SHOOTER - DISPLAY 2
QUICK TROUBLE SHOOTER - MICROPHONE 2
QUICK TROUBLE SHOOTER - KEYMAT 3
QUICK TROUBLE SHOOTER - AV CONNECTOR 3
QUICK TROUBLE SHOOTER - VOLUME KEYS 3
QUICK TROUBLE SHOOTER - CARD READER 3
QUICK TROUBLE SHOOTER - CAMERA (RM-237 only) 34
Page
4
5
6
7
8
0
1
8
1
2
3
4
5
6
7
8
9
0
1
2
3
CHANGE HISTORY
Status Version No. Date Comments
Draft 0.1 03.Jan.2007 Initial draft
Approved 1.0 06.Mrz.2007 Approval
Approved 2.0 16.Mrz.2007 Disassembly/Assembly Hints updated
Approved 3.0 21.Mrz.2007 2 missing screws added to Exploded- and Spare Parts overview
Approved 4.0 14.May.2007 3109c RM-274 added
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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Draft 4.0
MGR
14.May.2007
INTRODUCTION1.
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:
mailto:cc-ts-rc.documentation@nokia.com
Please keep in mind also that this documentation is continuously being updated and modified, so watch always out
for the newest version.
Warnings and Cautions
Please refer to the phone’s user guide for instructions relating to operation, care and maintenance including important safety information. Note also the following:
Warnings:
CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE MANAGEMENT SYSTEMS
1.
AND ANTI–SKID BRAKING SYSTEMS. UNDER CERTAIN FAULT CONDITIONS, EMITTED RF ENERGY CAN AFFECT THEIR
OPERATION. IF NECESSARY, CONSULT THE VEHICLE DEALER/MANUFACTURER TO DETERMINE THE IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO RF ENERGY.
THE HANDPORTABLE TELEPHONE MUST NOT BE OPERATED IN AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE
2.
ATMOSPHERES, EG PETROL STATIONS (SERVICE STATIONS), BLASTING AREAS ETC.
OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR TELEPHONES, MAY INTERFERE WITH
3.
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.
Cautions:
1. Servicing and alignment must be undertaken by qualified personnel only.
2. Ensure all work is carried out at an anti–static workstation and that an anti–static wrist strap is worn.
3. Use only approved components as specified in the parts list.
4. Ensure all components, modules screws and insulators are correctly re–fitted after servicing and alignment.
5. Ensure all cables and wires are repositioned correctly.
Electrostatic discharge can easily damage the sensitive components of electronic products.
Therefore every Service Supplier has to take care of all precautions, which are mentioned in the
service level related “Service Partner Requirements”, available on NOKIA Online. Also see ESD
Protection Requirements in this Service Manual.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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EXPLODED VIEW2.
See corresponding ITEM/CIRCUIT REF in the Spare Parts Service Bulletins on NOL.
Draft 4.0
MGR
14.May.2007
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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SPARE PARTS OVERVIEW3.
Draft 4.0
MGR
14.May.2007
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
Page 6
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GENERAL RECYCLING RECOMMENDATION4.
Draft 4.0
MGR
14.May.2007
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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LEVEL 2 SOLDER COMPONENTS5.
Draft 4.0
MGR
14.May.2007
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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8
SERVICE TOOLS6.
FLS-5 incl. ACF-8, Driver and User Guide
Dongle and flash device incorporated into one package, developed specifically for POS use.
Draft 4.0
MGR
14.May.2007
ACF-8
Universal Power Supply is used to power FLS-4S.
Travel Charger AC-4
Small and lightweight charger for fast charging of your phone
battery.
Internal Battery BL-5c
Inserted under the back cover, this Li-Ion battery provides
power in a lightweight package.
SS-45
Camera removal tool. One side is for disassembly, the other side
for assembly. (Only for RM-237)
DKE-2
Service Cable to connect the PC with the mini USB connector.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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RJ-148
Soldering Jig
Lead-free Solder Wire
Mandatory for lead-free products (Level 2 only).
9
Draft 4.0
MGR
14.May.2007
0772040 NMP Standard Toolkit (V2)
For more informations 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.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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Draft 4.0
14.May.2007
SW-UPDATE7.
Flash Concept – (Point of Sales)
To use 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.
MGR
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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DISASSEMBLY INSTRUCTION8.
Draft 4.0
MGR
14.May.2007
1. Needed tools: A Torx driver, a Torx Plus© size 6 bit, a torque
driver, the SS-93 opening tool, a dental pick, at bladed
screwdriver, metal tweezers, the SS-45 camera opening tool
(RM-237 only), the SRT-6 and the DC plug.
3. First unlock the A-COVER with the SRT-6 at the lower side
and lift it a bit.
2. Unlock and open the C-COVER ASSEMBLY.
4. Release the marked clips with the at bladed screwdriver...
5. ...and then, carefully separate the A-COVER from the unit by
slighting the SRT-6 along the edges of the cover.
6. Remove the Keymat and discard the A-COVER.
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7. Unlock the screws in the order shown.
9. Gently, remove the ENGINE MODULE. Avoid damaging the
guide pin of the B-COVER.
8. Lift the Engine Module a bit as shown.
10. Take a special care to the spring contacts on the ENGINE
MODULE.
11. Use a at bladed screwdriver to open the FLEX SHIELDING
LID. Do not touch the spring contacts with the tool. Discard the
FLEX SHIELDING LID after removal.
12. Unlock the UI-SHIELD ASSY.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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14.May.2007
13. Turn the UI-SHIELD ASSY to the position shown and
carefully open the LCD connector.
15. (RM-237 only) Remove the CAMERA GASKET.
14. Unlock and remove the LCD from the UI-SHIELD ASSY.
16. (RM-237 only) Remove the CAMERA with the SS-45.
17. Remove the USB DOOR.
18. Take care to the guide pin when removing the ANTENNA
MODULE ASSY.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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MGR
14.May.2007
19. Use the SS-93 as a lever to remove the ANTENNA MODULE
ASSY.
21. Use the dental pick to remove the IHF GASKET. Discard the
IHF GASKET after removal.
20. Remove the EARPIECE ASSEMBLY.
22. Lift the IHF SPEAKER from its guidance and remove it.
23. Use the DC plug to remove the DC-JACK.
24. Remove the MICROPHONE with the dental pick.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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Draft 4.0
MGR
14.May.2007
25. Open the SIM door...
27. Turn the B-COVER and release the three snaps in front of
SIM door.
26. ...and unlock the LABEL COVER ASSY beginning at the shown
side.
28. Do the same on the other side.
29. Finally, release the both clips on the lower side of the BCOVER and remove the LABEL COVER ASSY.
30. Release the clips of the DECO TRIM RIGHT...
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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MGR
14.May.2007
31. ...and discard it after removal.
33. Separate the other side of the DECO TRIM from the BCOVER...
32. Release the clips of the DECO TRIM LEFT.
34. ...and discard it after removal.
35. Unlock the rst snap of the TOP COVER with the SS-93.
36. Now unlock the other two snaps in the order shown.
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MGR
14.May.2007
37. Remove the TOP COVER from the B-COVER.
39. Now unlock the second snap ...
38. Release the snap from the CONNECTOR in the edge with the
dental tool.
40. ...and remove the CONNECTOR COVER by lifting it up.
41. The disassembly procedure is now complied.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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ASSEMBLY HINTS 9.
Draft 4.0
MGR
14.May.2007
1. (RM-237 only) Note the right position of the guide when
inserting the CAMERA.
3. Place the LCD into the UI-SHIELD ASSY. Note the right
position of the LCD ex.
2. (RM-237 only) Turn the SS-45 and gently press the CAMERA in
to place.
4. Always use a new FLEX SHIELDING LID. Note the right position
when assembling.
5. Place the IHF SPEAKER into its holding. Make sure that the
spring contacts are in the right place.
6. Fit the IHF GASKET exactly into its position avoiding touching
the IHF SPEAKER.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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14.May.2007
7. First slide the CONNECTOR COVER from top into the guiding
from the B-COVER.
9. Note the guide pin of the B-COVER when inserting the
ANTENNA MODULE.
8. Bent the CONNECTOR COVER a bit and close the snaps in the
order shown.
10. Hold the USB DOOR in place while tting the ENGINE
MODULE...
11. Take care to the guide pin of the B-COVER.
12. First, bend back the power key a bit to avoid damaging of
the power switch and then place the ENGINE MODULE onto the
B-COVER.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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14.May.2007
13. To avoid damaging the plastic threads, rst turn the
screws slightly left to engage the thread...
14. ...and then tighten the screws to the torque of 21Ncm in the
order shown.
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DOME SHEET ALIGNMENT INSTRUCTION10.
Draft 4.0
MGR
14.May.2007
1. Place the 2CB ENGINE MODULE onto the B-COVER ASSY.
3. Use a new DOME SHEET and ip back a part of the protective
lm. Align the DOME SHEET with the corner markings and ...
2. Find the two corner markers. Check if the surface of the 2CB
ENGINE MODULE is clean and no residue is remaining.
4. ... afx it whilst removing the protective lm.
5. Press the DOME SHEET evenly onto the 2CB ENGINE MODULE
to make sure that it is glued correctly.
6. Check the correct placement and be sure that the two holes
in the DOME SHEET are aligned with ones in the 2CB ENGINE
MODULE.
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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LEGEND FOR QUICK TROUBLE SHOOTER11.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - POWER ON12.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - CHARGING13.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - NO SERVICE14.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - EARPIECE15.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - IHF SPEAKER 16.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - DISPLAY 17.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - MICROPHONE 18.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - KEYMAT 19.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - AV CONNECTOR20.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - VOLUME KEYS 21.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - CARD READER 22.
Draft 4.0
MGR
14.May.2007
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QUICK TROUBLE SHOOTER - CAMERA (RM-237 only) 23.
Draft 4.0
MGR
14.May.2007
Service Manual 3110c RM-237 / 3109c RM-274 Copyright © 2007 NOKIA Corporation. All rights reserved.
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