Page 1
6124classic RM-422/RM-448 / 6122c RM-425
SERVICE MANUAL
Level 1&2
Service Manual Level 1&2
RM-422 RM-448
RM-425
Transceiver characteristics:
Band:
EGSM: Quad-band 850/900/1800/1900MHz
RM-422: WCDMA/HSDPA: 900/2100MHz
RM-448: WCDMA/HSDPA: 800/2100MHz
RM-425: WCDMA/HSDPA: -----------------------
Display:
LCD: 5.08cm (2.0”) QVGA (320x240 pixel); 16M colors
Camera:
Camera: 2.0 Megapixel SMIA85 with integrated ash
RM-422/448: 2nd Camera CIF+
Operating System:
Series 60
Connections:
Wireless: Bluetooth,
Connector: Mini USB Connector; 2.5mm AV Connector
Memory:
MicroSD™ (max 4GB)
Transceiver with BL-5B Li-Ion battery pack
Talk time Standby Note
up to 3.1 h up to 9 days
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CONFIDENTIAL
Depends on network
parameters
Page 2
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
TABLE OF CONTENTS
CHANGE HISTORY 1. 3
COPYRIGHT 2. 3
WARNINGS AND CAUTIONS 3. 4
ESD PROTECTION 4. 4
CARE AND MAINTENANCE 5. 5
BATTERY INFORMATION 6. 5
PRODUCT CONTROLS & INTERFACES OVERVIEW 7. 6
EXPLODED VIEW 8. 7
LEVEL 2 SOLDER COMPONENTS 9. 8
SERVICE DEVICES 10. 9
SW-UPDATE 111. 0
DISASSEMBLY INSTRUCTION 112. 1
ASSEMBLY INSTRUCTION 113. 4
GT-TAPE EXCHANGE - DISASSEMBLY 114. 6
GT-TAPE EXCHANGE - ASSEMBLY 115. 7
LEGEND FOR QUICK TROUBLE SHOOTER 116. 9
QUICK TROUBLE SHOOTER - POWER ON 217. 0
QUICK TROUBLE SHOOTER - CHARGING 218. 1
QUICK TROUBLE SHOOTER - NO SERVICE 219. 2
QUICK TROUBLE SHOOTER - BLUETOOTH 220. 3
QUICK TROUBLE SHOOTER - EARPIECE 221. 4
QUICK TROUBLE SHOOTER - IHF SPEAKER 222. 5
QUICK TROUBLE SHOOTER - DISPLAY 223. 6
QUICK TROUBLE SHOOTER - KEYMAT 224. 7
QUICK TROUBLE SHOOTER - MICROPHONE 225. 8
QUICK TROUBLE SHOOTER - VOLUME/CAMERA KEYS 226. 9
QUICK TROUBLE SHOOTER - FLASH LIGHT 327. 0
Page
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CONFIDENTIAL
Page 3
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
CHANGE HISTORY1.
Status Version No. Date Comments
Draft 0.1 07.Feb.2008 Initial draft
Approved 1.0 07.Apr.2008 Approved
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:Service.Manuals@nokia.com
Please keep in mind also that this documentation is continuously being updated and modified, so watch always out
for the newest version.
COPYRIGHT2.
Copyright © 2008 Nokia. All rights reserved.
Reproduction, transfer, distribution or storage of part or all of the contents in this document in any form
without the prior written permission of Nokia is prohibited.
Nokia, Nokia Connecting People, and Nokia X and Y are trademarks or registered trademarks of Nokia
Corporation. Other product and company names mentioned herein may be trademarks or tradenames of
their respective owners.
Nokia operates a policy of continuous development. Nokia reserves the right 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 implied, including, but not limited to, the implied warranties of merchantability
and tness for a particular purpose, are made in relation to the accuracy, reliability or contents of this
document. Nokia reserves the right to revise this document or withdraw it at any time without prior notice.
The availability of particular products may vary by region.
IMPORTANT
This document is intended for use by qualied service personnel only.
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CONFIDENTIAL
Page 4
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
WARNINGS AND CAUTIONS 3.
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.
ESD PROTECTION4.
Nokia requires that service points have sufficient ESD protection (against static electricity) when
servicing the phone.
Any product of which the covers are removed must be handled with ESD protection. The SIM card
can be replaced without ESD protection if the product is otherwise ready for use.
To replace the covers 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 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 be opened/closed out of an ESD Protected Area.
For more information and local requirements about ESD protection and ESD Protected Area, contact
your local Nokia After Market Services representative.
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6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
CARE AND MAINTENANCE5.
This product is of superior design and craftsmanship and should be treated with care. The suggestions below
will help you to full any warranty obligations and to enjoy this product for many years.
• Keep the phone and all its parts and accessories out of the reach of small children.
• Keep the phone dry. Precipitation, humidity and all types of liquids or moisture can contain minerals that
will corrode electronic circuits.
• Do not use or store the phone in dusty, dirty areas. Its moving parts can be damaged.
• 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 harsh chemicals, cleaning solvents, or strong detergents to clean the phone.
• Do not paint the phone. Paint can clog the moving parts and prevent proper operation.
• Use only the supplied or an approved replacement antenna. Unauthorised antennas, modications or
attachments could damage the phone and may violate regulations governing radio devices.
All of the above suggestions apply equally to the product, battery, charger or any accessory.
BATTERY INFORMATION6.
Note: A new battery’s full performance is achieved only after two or three complete charge and discharge cycles!
The battery can be charged and discharged hundreds of times but it will eventually wear out.
When the operating time (talk-time and standby time) is noticeably shorter than normal, it is time to buy a new battery.
Use only batteries approved by the phone manufacturer and recharge the battery only with the chargers
approved by the manufacturer.
Unplug the charger when not in use. Do not leave the battery connected to a charger for longer than a week, since
overcharging may shorten its lifetime.
If left unused a fully charged battery will discharge itself over time Temperature extremes can affect the ability of
your battery to charge.
For good operation times with Ni-Cd/NiMh batteries, discharge the battery from time to time by leaving 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, clip or
pen) causes direct connection of the + and - terminals of the battery (metal strips on the battery) for example
when you carry a spare battery in your pocket or purse. Short-circuiting the terminals may damage the battery
or the connecting object.
Leaving the battery in hot or cold places, such as in a closed car in summer or winter conditions, will reduce
the capacity and lifetime of the battery. Always try to keep the battery between 15°C and 25°C (59°F and 77°F).
A phone with a hot or cold battery may temporarily not work, even when the battery is fully charged.
Batteries’ performance is particularly limited in temperatures well below freezing.
Do not dispose batteries in a re! Dispose of batteries according to local regulations (e.g. recycling).
Do not dispose as household waste.
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6124classic RM-422/RM-448 / 6122c RM-425
1
13
14
11
12
10
7
8
21
2
3
4
5
9
6
15
16
17
18
19
20
6124c RM-422/RM-448 / 6122c RM-425
Product Controls & Interfaces
Ver. 1.0
1
― Power key
2
― Nokia AV 2.5 mm connector
3
― Earpiece
4 ― Left and right selection keys
5
― Call key
― Display
6 ― Menu key
7
― Number keys
8
― Microphone
9 ― Navi™ scroll key. Hereinafter referred to as the
scroll key.
10
― Clear key C
11
― Camera key
12
― End key
13
14
― Secondary camera lens (RM-422/RM-448 only)
18
― Monospeaker
19
― Volume keys
20
17
― Camera flash
16
― Main camera lens
21
22
22
― USB connector
― MicroSD card slot
― Charger connector
15
― Strap holder
Service Manual Level 1&2
PRODUCT CONTROLS & INTERFACES OVERVIEW7.
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6124classic RM-422/RM-448 / 6122c RM-425
A-COVER ASSEMBLY
I0001
(RM-422 & RM-448 only)
= only available as
assembly
Ver. 1.0
FRONT CAMERA DUST SHIELD
I0003
(RM-422 & RM-448 only)
DISPLAY ASSY WULM
I0009
GT TAPE
I0010
(RM-422 & RM-448 only)
KEYMAT ASSY
I0002
DOME SHEET (A1)
I0005
LIGHT SWAP PWB (A2)
I0013
CONN CHR DIA 2.0mm COMPRESS (A3)
I0021
C-COVER METAL PLATE (A3)
(LEVEL 3&4 ONLY)
I0025
BATTERY COVER
I0029
MEMORY CARD DOOR (A3)
I0022
MICROPHONE CLAPTON STAR (A3)
I0020
BT ASSY (A3)
I0023
CONNECTOR LABEL
I0026
BT SHIELD LID (A2)
I0012
RAPIDO SHIELD LID (A2)
I0015
TYPE LABEL (A2)
(LEVEL 3&4 ONLY)
I0016
IHF SPEAKER 11x15 (A3)
I0018
C-COVER (A3)
I0024
DISPLAY FRAME (A1)
I0007
EARPIECE (A1)
I0008
RF SHIELD LID (A2)
I0014
MAIN CAMERA SMIA85
I0017
AUDIO GASKET 1 +
SPEAKER NET (A3)
I0019
ANTENNA ASSY
I0027
ANTENNA COVER ASSY
I0028
UI FLEX ASSY (A1)
I0006
DISPLAY BACK ADHESIVE
I0011
(RM-425 only)
= These parts can
not be reused
after removal.
6124c RM-422/RM-448 / 6122c RM-425
EXPLODED VIEW
SCREW M1.6x5.3
I0004
Hole is not visible in
RM-425
A1=DISPLAY FRAME ASSY
(I0005-I0008)
A3=C-COVER ASSY
(I0018-I0025)
A2=LIGHT SWAP PACKAGE
(I0012-I0016)
(LEVEL 3&4 ONLY)
EXPLODED VIEW8.
See corresponding ITEM/CIRCUIT REF in the Spare Parts Service Bulletins on NOL.
Service Manual Level 1&2
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Copyright © 2008 NOKIA. All rights reserved.
Page 8
6124classic RM-422/RM-448 / 6122c RM-425
6124c RM-422/RM-448 / 6122c RM-425
Level 2 solder components
Solder components only for LEVEL 2
Not assembled in
6122c RM-425
F2000
G2200
S2402 S2403
S2404
X5046
X6000
X5045
S2401
X7552
X7555
X2401
X7550
X7551
Ver. 1.0
Service Manual Level 1&2
LEVEL 2 SOLDER COMPONENTS9.
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6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
SERVICE DEVICES10.
FLS-5 incl. ACF-8, Driver and User
Guide
Dongle and flash device incorporated
into one package, developed specifi-
cally for POS use.
DKE-2
Service Cable to connect the PC with
the mini USB connector.
ACF-8
Universal Power Supply is used to
power FLS-4S.
SS-102
Camera removal tool. One side is for
disassembly, the other side for as-
sembly.
Travel Charger AC-4
Small and lightweight charger for
fast charging of your phone battery.
RJ-176
Soldering Jig
Internal Battery BL-5B
Inserted under the back cover, this
Li-Ion battery provides power in a
lightweight package.
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CONFIDENTIAL
0772040
NMP Standard Toolkit (V2)
For more informations refer to the
Service Bulletin (SB-011) on NOKIA On-
line.
Supplier or manufacturer contacts for
tool re-order can be found in “Recommended service equipment” docu-
ment on NOKIA Online.
Page 10
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
SW-UPDATE11.
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.
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Page 11
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
DISASSEMBLY INSTRUCTION12.
1. Nokia 6124 classic, Disassembly. 2. You will need the Nokia Standard Toolkit version 2 as well as
the opening tool SS-34 and the camera removal tool SS-102.
3. Unlock and remove the BATTERY COVER. Remove the Battery
if inserted.
5. Remove the KEYMAT with the SS-93 in the order shown. 6. The A-COVER is attached with clips to the C-COVER. Unlock
4. Place the SS-93 between the C-COVER and the ANTENNA
COVER ASSY, and release the clips beginning on the shown side.
the clips on the shown side rst. Avoid damaging the clips.
7. Undo the SCREWS in the order shown and remove them. 8. Remove the FRONT CAMERA GASKET.
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6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
9. Gently lift the DISPLAY FRAME, paying attention to the UI
FLEX.
11. Remove the PWB with the Display from the C-COVER
ASSY.
10. Carefully open the UI FLEX connector with the SS-34 and
remove the DISPLAY FRAME.
12. Use the A-COVER ASSY as a support when removing the
MAIN CAMERA. Protect all sensitive surfaces with a lm.
13. Unlock and remove the MAIN CAMERA. 14. Remove the IHF SPEAKER.
15. Remove the AUDIO GASKET and discard it. Ensure that no
adhesive remains.
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16. Open the MEMORY CARD DOOR and remove it.
Copyright © 2008 NOKIA. All rights reserved.
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6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
17. Remove the CONNECTOR LABEL and discard it. 18. Lift the BT ASSY with the SS-93 as shown and discard it.
19. Release the both clips of the ANTENNA ASSY with the
opening tool.
20. Now, the ANTENNA ASSY can be removed easily.
21. Unlock the two hooks of the C-COVER METAL PLATE. 22. Remove the C-COVER METAL PLATE from the C-COVER. The
disassembly procedure is now complete.
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Page 14
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
ASSEMBLY INSTRUCTION13.
1. Nokia 6124 classic, Assembly hints. 2. You will need the Nokia Standard Toolkit version 2 as well as
the camera removal tool SS-102.
3. Remove the C-COVER METAL PLATE from the C-COVER. 4. Check the correct position of the C-COVER METAL PLATE.
5. Secure the C-COVER METAL PLATE by pressing it into position. 6. Ensure the correct position of the MAIN CAMERA.
7. Check the correct position of the FLASH LIGHT WINDOW
before assembling the unit.
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Copyright © 2008 NOKIA. All rights reserved.
8. First close the UI-ex connector and then place the
DISPLAY FRAME onto the PWB.
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6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
9. Fit the FRONT CAMERA DUST SHIELD.
11. Fit the KEYMAT starting with the shown side. 12. Press the KEYMAT into its place. Ensure that the
10. Tighten the six screws to the torque of 23Ncm in the order
shown.
KEYMAT is secured correctly.
13. Always use a new CONNECTOR LABEL when assembling the
unit.
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Page 16
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
GT-TAPE EXCHANGE - DISASSEMBLY 14.
1. Carefully open the LCD connector. 2. Place the SS-93 between the LCD and the PWB and carefully
lift the Display.
3. Now, gently lift the shown corner of the LCD. 4. Lift the LCD on the other side and remove it from the PWB.
5. Remove the GT-Tape from the LCD. Ensure that no residues
remain.
6. Gently remove the adhesive residues with the SS-93. Ensure
that no residues remain.
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Page 17
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
GT-TAPE EXCHANGE - ASSEMBLY15.
1. Hold the GT-Tape as shown. Do not touch the adhesive
when tting the GT-Tape.
3. Check the correct position of the GT-Tape. Ensure that
the GT-Tape is not touching the electrical components.
2. Place the GT-Tape onto the PWB using the markings.
4. Carefully press the GT-Tape onto the PWB.
5. Remove the protective lm from the GT-Tape as shown. 6. Use the Display Frame as a support for centering of the
Display.
7. Align the screw openings of the PWB with the screw
openings of the DISPLAY FRAME ASSY and carefully press the
parts together.
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CONFIDENTIAL
8. Place the parts onto the C-COVER and remove the DISPLAY
FRAME ASSY.
Copyright © 2008 NOKIA. All rights reserved.
Page 18
9. Close the DISPLAY connector.
6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
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6124classic RM-422/RM-448 / 6122c RM-425
Service Manual Level 1&2
LEGEND FOR QUICK TROUBLE SHOOTER16.
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Service Manual Level 1&2
QUICK TROUBLE SHOOTER - POWER ON17.
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Service Manual Level 1&2
QUICK TROUBLE SHOOTER - CHARGING18.
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QUICK TROUBLE SHOOTER - NO SERVICE19.
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QUICK TROUBLE SHOOTER - BLUETOOTH20.
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Service Manual Level 1&2
QUICK TROUBLE SHOOTER - EARPIECE21.
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Service Manual Level 1&2
QUICK TROUBLE SHOOTER - IHF SPEAKER 22.
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Service Manual Level 1&2
QUICK TROUBLE SHOOTER - DISPLAY 23.
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QUICK TROUBLE SHOOTER - KEYMAT 24.
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Service Manual Level 1&2
QUICK TROUBLE SHOOTER - MICROPHONE25.
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QUICK TROUBLE SHOOTER - VOLUME/CAMERA KEYS 26.
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QUICK TROUBLE SHOOTER - FLASH LIGHT27.
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