CONFIDENTIAL 4 (48)
NSE-8/9 Repairhints
Customer Care Europe & Africa Version 5.0 Approved
Technical Services Training Group Date: 05.09.2001
© 2001 Nokia Mobile Phones
Checked by:
CC Training Group
Approved by:
Technical Services
Contents
PREFACE GENERAL 2
Introduction 3
CHAPTER 1 HW CHANGES IN NSE-8/9 7
-Most importand changes-summary 7
-Charging problems 8
-Not charging 8
-Poor or no service 8
-Time and ringtone problems 8
-Phone does not switch on 9
-L102 soldering problems 9
-Keypad problems 9
-PCN PA Buffer change 9
New PCB (GD7) component & vendor changes 10
-Z700 71MHz filter – New ceramic package 10
-N500/501 Philips poweramplifier 10
-Different CCONT N100 versions implemented 10
-New COBBA N200 version implemented 10
-COBBA N200 underfilled 10
-New GSM TX filter 10
HW changes summary for GD7 boards 11
HW changes summary for GF boards 12
CHAPTER 2 PHONE DOES NOT SWITCH ON 14
-Does not switch on with battery (also with service battery) 14
-X504 related faults 14
-Power switch S416 faulty 14
-L102 broken soldered 14
-VB line faulty 14
-DC/DC converter V105 faulty 15
-Flash D301 / SRAM D302 related faults 15
-G701 faulty 16
-MAD D300 faulty 17
-CCONT N100 faulty 17
-B100 faulty 17
-Phone does not switch on: SectionDC/DC converter (Flowchart) 19
-Phone does not switch on: Section CCONT (Flowchart) 20
-Phone does not switch on: Flash update not possible (Flowchart) 21
CHAPTER 3 NOT CHARGING FAILURES 22
-X101/102 and X503 faulty 22
-F100 faulty 22
-R103 faulty or broken 22
-R125 to R127 connection faulty 22
-C100 broken 22
-Charging problems with ACP – 8/9 charger 22
-Not charging (Flowchart) 23