User Guide

Nokia Customer Care Service Tools
Company Confidential RH-37
Issue 1 07/04  2004 Nokia Corporation Page 7
JVB-1 Docking Station (Product Code: 0770298) with DA-16 Docking Station
Adapter
The JVB-1 docking station has been designed for calibration and software update use.
The DA-16 docking station adapter makes signal connections to the phone. JVB-1 and
DA-16 are used as one unit.
JVB-1 main electrical functions include the following:
• adjustable VBATT calibration voltage, current measurement limit voltage
“VCHAR”, current measurement calibration “ICHAR”
• adjustable ADC calibration voltage via BTEMP and BSI signal
• BTEMP and BSI calibration resistor
• signals from FBUS to the phone via parallel jig
• control via FBUS or USB
• Flash OK/FAIL indication
In calibration mode JVB-1 is powered by external power supply 11-16V DC. In flashing
power for the phone can be taken from FPS-8 or external power supply 11-16V DC.