CONFIDENTIAL
5 (29)
NPE-4 6310/NPL-1 6310i Repair Hints
Customer Care Europe, Middle East & Africa Version 3.0 Approved
SCCE Training Group Date 22.04.2003
© NMP 2003
Checked by:
SCCE Training Group
Approved by:
SCCE
Contents
PREFACE
GENERAL 2
CHAPTER 1
Additional information 6
- BB shield removing instructions 6
- Different battery connectors 7
- Auto power off 7
NPE-4 (6310) & NPL-1 (6310i) 8
CHAPTER 2
CarKit problems 8
- “Phone not connected” or “Phone error” 8
- Problems Solved by the MCU SW 5.50(only NPL1) 8
CHAPTER 3
Totally dead/ “Does not switch on” 9
- Check current consumption 9
- Flash the phone 9
- Voltages and signals to check 10
NPE-4 6310 12
CHAPTER 4
Electrical faults 12
- Drop calls 12
- No service, memory problem 13
- No service, no RSSI 13
- RX flowchart 15
- No service, no TX 16
- TX flowchart 18
- Display too dark/ too light 19
CHAPTER 5
Hookswitch problems 20
- Sometimes not possible to release “incoming call” 20
- No voice dial possible 20