Battery Calibration - Panasonic EB-X70 Service Manual
Digital cellular phone
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- Operating instructions manual (158 pages) ,
- Service manual (82 pages) ,
- Technical information (4 pages)
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9.4. Battery Calibration
9.4.1
Preliminaries
There are two procedures associated with battery calibration, battery temperature and battery voltage.
1.
Connect the RF Adaptor / Baseband Jig, telephone and PC as shown in the diagram below.
10743-1
2.
Set the Interface box to POWER ON, IGN and EXT PWR OFF.
3.
With the CB2000 software running, select the 'Baseband Calibration' button.
4.
Select the Battery Calibration tab.
5.
The Battery Calibration window is divided into three areas:
a) Semi-Auto Voltage Calibration
b) Temperature Calibration.
c) Charging Calibration.
9.4.2
Semi-Auto Battery Calibration
1.
Ensure that VBAT is set to 3.7 V.
2.
Carry out the instructions described in the main dialogue window. Note that the VBAT HIGH voltage is 4.2 V and that VBAT
LOW voltage is 3.0 V.
9.4.3.
Temperature Calibration
1.
Ensure that VBAT is set to 3.7 V.
2.
Carry out the instructions described in the main dialogue window.
3.
If at any time the message "Temperature Cal failed", the calibration procedure has failed. Check all test equipment
connections and that the correct resistor has been selected before suspecting a problem with the handset. Further
information may be displayed in the dialogue window.
4.
When the message "Temperature Cal Done" is displayed in the dialogue window, the calibration procedure has been
completed.
9.4.4
Charging Calibration
1.
On the Interface Box, ensure that the EXT PWR switch is ON. Check that the RF Adaptor / Baseband Jig 82 Ohms switch
is set to ON.
2.
Carry out the instructions described in the main dialogue window.
3.
When prompted, measure the RF Adaptor / Baseband Jig voltage by connecting a voltmeter to the terminals on the top of
the RF Adaptor / Baseband Jig.
4.
If at any time the message "Charging Cal failed", the calibration procedure has failed. Check all test equipment
connections and that the correct resistor has been selected before suspecting a problem with the handset. Further
information may be displayed in the dialogue window.
5.
When the message "Charging Cal Done" is displayed in the dialogue window, the calibration procedure has been
completed.
PMCD030901C8
Service Manual
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CABLE 1
Figure 9.3: Battery calibration test connections
Section 9
– 55 –
CALIBRATION PROCEDURES
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