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
FPS-10 Flash prommer
FPS-10 interfaces with:
• PC
• Control unit
• Flash adapter
• Smart card
FPS-10 flash prommer features:
• Flash functionality for BB5 and DCT-4 terminals
• Smart Card reader for SX-2 or SX-4
• USB traffic forwarding
• USB to FBUS/Flashbus conversion
• LAN to FBUS/Flashbus and USB conversion
• Vusb output switchable by PC command
FPS-10 sales package includes:
• FPS-10 prommer
• Power Supply with 5 country specific cords
• USB cable
Note: FPS-21 is substitute FPS-10 if FPS-10 has not been set
up.
JBV-1 Docking station
The JBV-1 docking station is a general tool that has been designed for
calibration and software update use. The JBV-1 is used together with
a docking station adapter as one unit
In calibration mode the JBV-1 is powered by an external power supply:
11-16V DC. When flashing the power for the phone must be taken from
the flash prommer.
Note: JBV-1 main electrical functions are:
• adjustable VBATT calibration voltage, current
measurement limit voltage: VCHAR, current measurement:
ICHAR
• adjustable ADC calibration voltage via BTEM and the BSI
signal
• BTEMP and BSI calibration resistor
• signal from FBUS to the phone via the parallel jig
• control via FBUS or USB
• Flash OK/FAIL indication
RM-394; RM-395; RH-118
Service Tools and Service Concepts
Page 2 –8 COMPANY CONFIDENTIAL Issue 1
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