User Guide

CCS Technical Documentation 4 - Service Tools
Company Confidential NMM-3
Issue 1 (11/2003) Copyright 2003 Nokia Corporation Page 4-3
Company Confidential
JBV-1 Docking Station and MJF-29 Adapter
The JBV-1 Docking Station has been designed for calibration and software update use.
The MJF-29 Docking Station Adapter makes signal connections to the phone. JBV-1 and
MJF-29 are used as one unit.
JBV-1 main electric functions are:
adjustable VBATT calibration voltage, current measurement limit voltage ”VCHAR”,
current measurement calibration current ”ICHAR”
adjustable ADC calibration voltage for BSI
BSI calibration resistor
FBUS signal routing to handset
controlled via FBUS or USB
Programming Pass / FAIL indication
In calibration mode JBV-1 is powered by external supply set at 11-16V DC. During flash-
ing power is supplied from the FPS-8 or FLS-4S.
Product Code
JBV-1 Docking Station: 0770298
MJF-29 Docking Station Adapter: 0770592
View of MJF-29
Figure 1: MJF-29