Nokia 6020b Service Manual
Issue 1 03/2005
COMPANY CONFIDENTIAL
7
Copyright © 2005 Nokia. All Rights Reserved.
RM-31
4 - Service Tools
4 - Service Tools
Nokia Customer Care
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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.
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”
“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.
for the phone can be taken from FPS-8 or external power supply 11-16V DC.