Panasonic EB-VS3 Service Manual page 52

4. Click "Connection" button.
5. Click "Non signaling mode".
6. Check the "On" box located on the ADC measurement box.
7. Change the power supply voltage from 3.7 V to 4.2 V.
8. Monitor the vbat ADC value in the ADC Meas. Box.
If this average value is outside the range of 3436 to 3927, then the unit has failed.
9. Enter the average vbat ADC into the "VS3_ADC_Cal" Excel sheet in the vbat = 4.2 V field.
10. Change the power supply voltage from 4.2 V to 3.2 V.
If this average value is outside the range of 3138 to 3503, then the unit has failed.
11. Enter the average vbat ADC into the "VS3_ADC_Cal" Excel sheet in the vbat = 3.2 V field.
12. Change the power supply voltage from 3.2 V to 3.7 V.
VBAT = 4.2
3718
OK
for Calibration
VBAT = 3.2 Gain
3344 -641
OK OK
for Confirmation
Offset adc value
-2147 3500
OK
– 9-6 –
cal. value
3617