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7.4. Battery Calibration
7.4.1
Preliminaries
There are three procedures to calibrating the battery, voltage, temperature and charging calibration. A Battery Calibration
Voltage Control Unit (BCVCU) is used to provide the necessary voltage levels for these checks. The BCVCU replaces the two
regulated power supplies and 82 Ohm resistor required to caibrate previous mobile products.
1.
Connect the telephone, test battery, BCVCU and Interface Box as shown in the diagram below.
2.
Set the Interface box to POWER ON, IGN and EXT PWR OFF.
Set the BCVCU to 82 τ OFF and 4.2 V.
3.
4.
With the Channel Box software running, click on the TX CAL button
MCUK011201C8
Service Manual
Figure 7.1: Battery calibration test connections
Section 7
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ADJUSTMENT PROCEDURES
B C V C U
T O
T E S T
B A T T E R Y
10551-1
Issue B
Revision 0
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