Nokia_112_1120_-Service_Manual1.pdf

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Nokia 112, 1120 (RM-837)
L1L2 Service Manual
SERVICE MANUAL
Level 1&2
Nokia 112, 1120
RM-837
Transceiver characteristics
Band
EGSM 900/1800
Display
1.8” TFT display, 128x160 pixels
Camera
VGA camera
Operating System
S40
Connections
3.5mm AV Jack
2.0mm DC Jack
Micro SD card slot
FM Radio
Bluetooth
GPRS/EGPRS
WAP 2.0
External 2nd SIM card slot (Dual SIM
ONLY)
Transceiver with BL-6C battery pack
Talk time
Standby
GSM:
Up to 8h 20 min
GSM:
Up to 733 hours
Note:
Talk times are dependent on network
parameters and phone settings
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Nokia 112, 1120 (RM-837)
L1L2 Service Manual
Table of contents
1.
2.
2.1
2.2
3.
4.
5.
6.
7.
8.
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Nokia 112, 1120 (RM-837)
L1L2 Service Manual
CHANGE HISTORY
Status
Version No.
Date
Comments
Approved
1.0
19.06.2012
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:
Nokia Care Academy
Please keep in mind also that this documentation is continuously being updated and
modified, so watch always out for the newest version.
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Nokia 112, 1120 (RM-837)
L1L2 Service Manual
1. COPYRIGHT
Copyright © 2012 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.
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Nokia 112, 1120 (RM-837)
L1L2 Service Manual
2. 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:
2.1Warnings
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.
2.2Cautions
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
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