User Guide

Issue 1 04/2005 COMPANY CONFIDENTIAL 7
Copyright © 2005 Nokia. All Rights Reserved.
RM-94
4 - Service Tools Nokia Customer Care
JVB-1 Docking Station 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.