3210repairhints.pdf

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CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 05.11.1999
Page 1 of 37
CONFIDENTIAL
Service & Analysis Center Europe
Training Team
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 3210 phones.
It contains a lot of collected tips and hints, to find failures and repair solutions easily.
I will also 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 with using of 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: ams.sace-training@nokia.com
: Wintesla Version 6.10
: NSE8/9 version 2.41.05
: MJS-13
: Fluke 73
: Hitachi V-1565; Fluke PM 3380A
: Advantest R3361C with an analogue probe
: Rohde & Schwarz CMD 53
version 1.0 / 05.11.1999
Page 2 of 37
CONFIDENTIAL
Service & Analysis Center Europe
Training Team
Contents
INTRODUCTION
D
OESN
'
T
S
WITCH ON
N
O FLASH UPDATE POSSIBLE
/ D
OESN
'
T SWITCH ON
I
NTERMITTENT DOESN
'
T SWITCH ON
N
OT CHARGING
L
OW STAND BY TIME
/
OPERATION TIME
P
HONE SWITCH IT SELF OFF
C
ONTACT SERVICE
COBBA
PARALLEL
/
SERIAL BUS FAIL
C
ONTACT
S
ERVICE
-CCONT
INTERFACE FAIL
C
ONTACT SERVICE
– E
EPROM CHECKSUM FAIL
C
LOCK TIME OR USER SETTINGS PROBLEMS
B
UZZER FAILURES
I
NTERNAL AUDIO FAILURES
D
ISPLAY FAILURES
K
EYPAD FAILURE
I
NSERT
SIM CARD
SIM
CARD NOT ACCEPTED
, SIM LOCK
FAILURE
P
RODUCT
C
ODE
NSE-8
R
ECOMMENDATION FOR REPAIR ACTIONS IN THE
RF-
AREA
L
OW RECEIVER SIGNAL STRENGTH INDICATOR
N
O
S
ERVICE
C
ALL BREAKS
/ N
O SERVICE
N
O
TX-P
OWER OR TO LOW
M
EASUREMENT POINTS
NSE-8
2
4
7
8
8
11
13
15
17
18
19
20
21
23
24
25
26
28
30
30
30
33
34
37
version 1.0 / 05.11.1999
Page 3 of 37
CONFIDENTIAL
Service & Analysis Center Europe
Training Team
Doesn't Switch on
Phone doesn't switch on, section: DC / DC converter
Check VB (Battery 2,4V-3V)
on L102
Yes
No
check connector X101/ X102
change if bend or soiled
check the solderings and
resistance of L102 "0Ohm"
No
resolder or change L102
Yes
check the connection between
L102 and R132 (0 Ohm)
Yes
No
Swap the phone if the
connection is open
check pin 3 from V105
on="low"status 0Ohm
No
check V109 and the
respective voltage deviders
R131,132,134,143,144
Yes
check the voltage on V101
anode 2,6V; cathode 3,2V
No
Check 600KHz switching
frequency on Pin 4,5,12,13 of
V105
Yes
No
check solder of V105 or
change if necessary
Yes
DC/ DCconverter is oK!
continue with CCONT
Check 1,2V operation voltage
on Pin 15 of V105
No
check solder of V105 or
change if necessary
check also R102, R105, R112
version 1.0 / 05.11.1999
Page 4 of 37
CONFIDENTIAL
Service & Analysis Center Europe
Training Team
Phone doesn't switch on (CCONT part)
check if PWRON (3,2V DC)
drops to 0V during pressing
the pwr button on R413.
Yes
No
change S416 if it is
mechanical broken
check 32,768KHz, 700mVpp
on B100
Yes
No
change B100 if frquency or
amplitude of the singnal in not
oK
No
Check also C147, C148,
C153
check 32.768KHz squarewave
signal on C149
Yes
No
change N100
Check PURX (2,8V DC)
afterpressing pwr on button on
R303
Yes
No
change N100
Check SLEEPX (2,8V DC) on
J340
Yes
No
MAD is faulty in all probability.
Swap the phone, because
MAD is not changeable
Check VXO (2,8V DC) on
C102
Yes
No
change N100
Check Vbb (2,8V DC)
No
change N100
Yes
Check Vref (1,5V DC) on
C123
Yes
No
change N100
check 13 MHz clk frequency
on C301
Yes
No
check 13MHz on G701
No
check solder of G700 or
change if neccessary
Try to Flash the phone
No
See section :
can't flash the phone
version 1.0 / 05.11.1999
Page 5 of 37

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