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
Examples of good quality images
Figure 94 Good image taken indoors
Figure 95 Good image taken outdoors
Camera construction
This section describes the mechanical construction of the camera module for getting a better understanding
of the actual mechanical structure of the module.
Table 7 Camera specifications
Sensor type CMOS Sensor
Photo detectors 0.3 million
F number/Aperture f/2.8
Focal length 1.78 mm
Focus range 20 cm to infinity
Still Image resolutions 640x480, 320x240, 160x120
Still images file format EXIF (JPEG), *.jpg
RM-394; RM-395; RH-118
Camera Module Troubleshooting (Only for RM-394/
RM-395)
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