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 flash
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 |
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up to 3.1 h |
up to 9 days |
Depends on network |
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parameters |
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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 |
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Service Manual Level 1&2 |
TABLE OF CONTENTS |
Page |
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1. |
CHANGE HISTORY |
3 |
2. |
COPYRIGHT |
3 |
3. |
WARNINGS AND CAUTIONS |
4 |
4. |
ESD PROTECTION |
4 |
5. |
CARE AND MAINTENANCE |
5 |
6. |
BATTERY INFORMATION |
5 |
7. |
PRODUCT CONTROLS & INTERFACES OVERVIEW |
6 |
8. |
EXPLODED VIEW |
7 |
9. |
LEVEL 2 SOLDER COMPONENTS |
8 |
10. |
SERVICE DEVICES |
9 |
11. |
SW-UPDATE |
10 |
12. |
DISASSEMBLY INSTRUCTION |
11 |
13. |
ASSEMBLY INSTRUCTION |
14 |
14. |
GT-TAPE EXCHANGE - DISASSEMBLY |
16 |
15. |
GT-TAPE EXCHANGE - ASSEMBLY |
17 |
16. |
LEGEND FOR QUICK TROUBLE SHOOTER |
19 |
17. |
QUICK TROUBLE SHOOTER - POWER ON |
20 |
18. |
QUICK TROUBLE SHOOTER - CHARGING |
21 |
19. |
QUICK TROUBLE SHOOTER - NO SERVICE |
22 |
20. |
QUICK TROUBLE SHOOTER - BLUETOOTH |
23 |
21. |
QUICK TROUBLE SHOOTER - EARPIECE |
24 |
22. |
QUICK TROUBLE SHOOTER - IHF SPEAKER |
25 |
23. |
QUICK TROUBLE SHOOTER - DISPLAY |
26 |
24. |
QUICK TROUBLE SHOOTER - KEYMAT |
27 |
25. |
QUICK TROUBLE SHOOTER - MICROPHONE |
28 |
26. |
QUICK TROUBLE SHOOTER - VOLUME/CAMERA KEYS |
29 |
27. |
QUICK TROUBLE SHOOTER - FLASH LIGHT |
30 |
Page 2 (30) |
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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 Service Manual Level 1&2
1. CHANGE HISTORY
Status |
Version No. |
Date |
Comments |
Draft |
0.1 |
07.Feb.2008 |
Initial draft |
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Approved |
1.0 |
07.Apr.2008 |
Approved |
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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.
2. COPYRIGHT
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 fitness 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 qualified service personnel only.
Page 3 (30) |
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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 Service Manual Level 1&2
3. WARNINGS AND CAUTIONS
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:
1.CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE MANAGEMENT SYSTEMS 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.
2.THE HANDPORTABLE TELEPHONE 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 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.
4. ESD PROTECTION
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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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 Service Manual Level 1&2
5. CARE AND MAINTENANCE
This product is of superior design and craftsmanship and should be treated with care. The suggestions below will help you to fulfil 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, modifications 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.
6. BATTERY INFORMATION
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 fire! Dispose of batteries according to local regulations (e.g. recycling).
Do not dispose as household waste.
Page 5 (30) |
CONFIDENTIAL |
ISSUE 1 |
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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 Service Manual Level 1&2
7. PRODUCT CONTROLS & INTERFACES OVERVIEW
6124c RM-422/RM-448 / 6122c RM-425
Product Controls & Interfaces
19
2
1
3
4 |
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6 |
5 |
7 |
8 |
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9 |
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10 |
14 |
15 |
16 |
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22 |
18
17
11
20
21 |
12 |
13
1― Secondary camera lens (RM-422/RM-448 only)
2― Earpiece
3― Display
4― Left and right selection keys
5― Clear key C
6― Menu key
7― Call key
8― End key
9― Navi™ scroll key. Hereinafter referred to as the scroll key.
10― Number keys
11― Monospeaker
12― MicroSD card slot
13― Strap holder
14―USB connector
15― Nokia AV 2.5 mm connector
16― Charger connector
17― Main camera lens
18― Camera flash
19― Power key
20― Volume keys
21― Camera key
22― Microphone
Ver. 1.0
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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 Service Manual Level 1&2
8. EXPLODED VIEW
See corresponding ITEM/CIRCUIT REF in the Spare Parts Service Bulletins on NOL.
6124c RM-422/RM-448 / 6122c RM-425
EXPLODED VIEW
A-COVER ASSEMBLY I0001
(RM-422 & RM-448 only)
Hole is not visible in
RM-425
FRONT CAMERA DUST SHIELD I0003
(RM-422 & RM-448 only)
SCREW M1.6x5.3
I0004
DISPLAY FRAME (A1)
I0007
EARPIECE (A1)
I0008
DISPLAY ASSY WULM
I0009
GT TAPE
I0010
(RM-422 & RM-448 only)
LIGHT SWAP PWB (A2)
I0013
RF SHIELD LID (A2)
I0014
MAIN CAMERA SMIA85
I0017
IHF SPEAKER 11x15 (A3)
I0018
AUDIO GASKET 1 +
SPEAKER NET (A3)
I0019
C-COVER (A3)
I0024
A3=C-COVER ASSY (I0018-I0025)
ANTENNA ASSY 
I0027
ANTENNA COVER ASSY
I0028
Ver. 1.0
KEYMAT ASSY
I0002
A1=DISPLAY FRAME ASSY (I0005-I0008)
DOME SHEET (A1) 
I0005 
UI FLEX ASSY (A1) I0006 
DISPLAY BACK ADHESIVE I0011
(RM-425 only)
A2=LIGHT SWAP PACKAGE (I0012-I0016)
(LEVEL 3&4 ONLY)
BT SHIELD LID (A2) I0012
RAPIDO SHIELD LID (A2) I0015
MICROPHONE CLAPTON STAR (A3) I0020
CONN CHR DIA 2.0mm COMPRESS (A3) 
I0021
BT ASSY (A3) I0023
MEMORY CARD DOOR (A3) 
I0022
C-COVER METAL PLATE (A3) (LEVEL 3&4 ONLY)
I0025
CONNECTOR LABEL
I0026
TYPE LABEL (A2) (LEVEL 3&4 ONLY) I0016
BATTERY COVER
I0029
= These parts can not be reused after removal.
= only available as assembly
Page 7 (30) |
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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 Service Manual Level 1&2
9. LEVEL 2 SOLDER COMPONENTS
6124c RM-422/RM-448 / 6122c RM-425
Level 2 solder components
Solder components only for LEVEL 2
X2401
G2200
Not assembled in 6122c RM-425
X7555 |
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S2401 |
X5046 |
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X7552 |
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X7550 |
X5045 |
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F2000 |
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X7551 |
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S2402 |
S2403 |
S2404 |
X6000 |
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Ver. 1.0
Page 8 (30) |
CONFIDENTIAL |
ISSUE 1 |
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Copyright © 2008 NOKIA. All rights reserved. |
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6124classic RM-422/RM-448 / 6122c RM-425 |
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Service Manual Level 1&2 |
10.SERVICE DEVICES |
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FLS-5 incl. ACF-8, Driver and User |
ACF-8 |
Travel Charger AC-4 |
Guide |
Universal Power Supply is used to |
Small and lightweight charger for |
Dongle and flash device incorporated |
power FLS-4S. |
fast charging of your phone battery. |
into one package, developed specifi- |
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cally for POS use. |
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DKE-2 |
SS-102 |
RJ-176 |
Service Cable to connect the PC with |
Camera removal tool. One side is for |
Soldering Jig |
the mini USB connector. |
disassembly, the other side for as- |
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sembly. |
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Internal Battery BL-5B |
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0772040 |
Inserted under the back cover, this |
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NMP Standard Toolkit (V2) |
Li-Ion battery provides power in a |
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For more informations refer to the |
lightweight package. |
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Service Bulletin (SB-011) on NOKIA On- |
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line. |
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Supplier or manufacturer contacts for |
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tool re-order can be found in “Recom- |
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mended service equipment” docu- |
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ment on NOKIA Online. |
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Page 9 (30) |
CONFIDENTIAL |
ISSUE 1 |
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Copyright © 2008 NOKIA. All rights reserved. |
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