User Guide
Table Of Contents
- Amendment Record Sheet
- Copyright
- Warnings and cautions
- For your safety
- Care and maintenance
- ESD protection
- Battery information
- Company Policy
- Nokia 1680c; Nokia 1681c Service Manual Structure
- 1 General Information
- 2 Service Tools and Service Concepts
- 3 Baseband Troubleshooting Instructions
- General baseband troubleshooting
- SIM related faults
- User interface
- Audio troubleshooting
- Audio troubleshooting using phoenix
- Check microphone using "Hp microphone in Ext speaker out" loop
- Check earpiece using "Ext microphone in Hp speaker out" loop
- Check IHF & ringing tone function using "Buzzer"
- Check vibra function using "Vibra control"
- Earpiece fault
- IHF/ringing tone fault
- Microphone fault
- Headset earpiece fault
- Headset microphone fault
- 4 RF Troubleshooting Instructions
- 5 Camera Module Troubleshooting (Only for RM-394/RM-395)
- 6 System Module
- Glossary

Video resolutions 128x96, at 13 frames per second
Video clip length 9 seconds or free, maximal clip length in free mode
is 2 minutes (limited by the data storing capabilities
of the device)
Video file format 3GPP, *.3gp
Exposure Automatic
White Balance Automatic
Colours 16.7 million / 24-bit
Capture Modes Night mode, Sequence mode, self timer
Figure 96 Camera module cross section and assembly principle
RM-394; RM-395; RH-118
Camera Module Troubleshooting (Only for RM-394/
RM-395)
Issue 1 COMPANY CONFIDENTIAL Page 5 –11
Copyright © 2008 Nokia. All rights reserved.










