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










