6210_6250_repair_hints_v1_2.pdf

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Service & Analysis Center Europe
SACE CC Training Group
CONFIDENTIAL
HDa-13/S 893
Introduction
Date 2001-03-16
1 (29)
Repairhints
Version 1.2 Approved
Repairhints
6210/6250
NPE-3/NHM-3
HDa13/S 893
©
2001 NMP
Checked by:
CC Training Group
Approved by:
SACE
Service & Analysis Center Europe
SACE CC Training Group
CONFIDENTIAL
HDa-13/S 893
Introduction
Date 2001-03-16
2 (29)
Repairhints
Version 1.2 Approved
GENERAL
-How to use this document
Put the QUICK REPAIR layouts behind this manual.
Now you are able to follow these specifications with graphical layouts and it is easier for you to find the
components and measuring points.
-Component characteristics:
Some components contain important data.
Several described steps are only practicable if you are able to reflash/ realign the phone and/or rewrite
IMEI/SIMlock in certain cases. Please pay attention to separate notes.
-Underfills, broken balls, µBGA
It is not possible to change underfilled components. The trial will damage PCB surely. All replaceable
µBGA-components must be renewed after removing. Reflow is not allowed.
Check soldering points, remove oxidated solderings (broken balls) carefully by enclosing few new solder
before placing new components.
µBGA must be soldered only with NMP approved µBGA-rework machines (e.g. Zevac/OK International).
Use only recommended Fluxtype and an appropriate amount of it.
-PCB handling
Only use appropriate cleaning materials, don`t use scratching or rubbing tools. Clean PCB carefully after
every rework and take great pains over the keyboard area. Don´t make any loose wiring connections
anywhere.
If it is necessary to change any item located under the metal shields, remove the shield first, don´t cut
partially or bend it.
Take care: Corners of the lids are sharp, insuries are possible !
Shields and screws must be renewed after removal.
-Realign after repair
Characteristics of replacement parts are different.
To prevent additional faults after repair (eg. low standby time, loosing network etc…) it is necessary
to retune phone values after repair.
©
2001 NMP
Checked by:
CC Training Group
Approved by:
SACE
Service & Analysis Center Europe
SACE CC Training Group
CONFIDENTIAL
HDa-13/S 893
Introduction
Date 2001-03-16
3 (29)
Repairhints
Version 1.2 Approved
INTRODUCTION
IMPORTANT:
This document is intended for use by authorized NOKIA service centers only.
The purpose of this document is to provide some further service information for NOKIA 6210/6250 phones.
It contains a lot of collected tips and hints to find failures and repair solutions easily.
It also will give support to the inexperienced technicians.
Saving process time and improving the repair quality is the aim of using this document.
We have build it up based on fault symptoms (listed in "Contents") followed by detailed description for further
analysis.
It is to be used additionally to the service manual and other service information like Service Bulletins, for that
reason it doesn't contain any circuit descriptions or schematics.
All measurements are made using following equipment:
Nokia repair SW
DLL version
Nokia Module Jig
Digital multimeter
Oscilloscope
Spectrum Analyzer
RF-Generator /
GSM Tester
While every endeavour has been made to ensure the accuracy of this document, some errors may exist. If any errors
are found by the reader, NOKIA should be notified in writing, using following procedure :
Please state:
Title of the Document + Issue Number/Date of publication.
Page(s) and/or Figure(s) in error.
Please send to:
Nokia GmbH
Service & Analysis Center Europe
Meesmannstr.103
D-44807 Bochum / Germany
Email:
training.sace@nokia.com
: WinTesla Version 6.43
: 311.03.00
: JBT-13 / MJS-23
: Fluke 73
: Hitachi V-1565; Fluke PM 3380A/B
: Advantest R3162 with an analogue probe
: Rohde & Schwarz CMU 200
©
2001 NMP
Checked by:
CC Training Group
Approved by:
SACE
Service & Analysis Center Europe
SACE CC Training Group
CONFIDENTIAL
HDa-13/S 893
Introduction
Date 2001-03-16
4 (29)
Repairhints
Version 1.2 Approved
Contents
GENERAL
INTRODUCTION
GENERAL TUNING INFORMATION
USER INTERFACE FAILURES
SIMCARD FAILURES
CHARGING PROBLEMS
CONTACT SERVICE
PHONE DOES NOT SWITCH ON
LOW STANDBY/OPERATION MODE TIME
FLASH UPDATE NOT POSSIBLE
NO SERVICE PROBLEMS
SIGNAL CHARTS
FREQUENCY LIST
SPECIAL INFORMATION FOR NHM-3
CHANGE HISTORY
2
3
5
11
13
14
15
17
18
18
19
25
26
27
29
©
2001 NMP
Checked by:
CC Training Group
Approved by:
SACE
Service & Analysis Center Europe
SACE CC Training Group
CONFIDENTIAL
HDa-13/S 893
Introduction
Date 2001-03-16
5 (29)
Repairhints
Version 1.2 Approved
GENERAL TUNING INFORMATION - DIFFERENCES TO EARLIER PHONES
Energy management calibration information
If it is necessary to realign, it is imperative to follow the instructions displayed in the pop-up windows!
As soon as you take an other order as given from WinTesla, the alignment will be failed or will stop and you must begin once
more.
Follow these instructions as shown in pictures and your energy management calibration will work.
First step: (Charge current)
Second step: (Charge current)
If all of the measurements are OK, the values are now adjusted.
If one or more values failed, see charging problems on page #14.
©
2001 NMP
Checked by:
CC Training Group
Approved by:
SACE

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