Energy Management Calibration - Nokia RH-47 Series Description
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Also See for RH-47 Series:
- Rf description and troubleshooting (76 pages) ,
- Disassembly & assembly instructions (22 pages)
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RH-47
7 - Baseband Description & Troubleshooting
Energy management calibration
During energy management calibration, A/D-converter, BSI, Btemp, battery voltage,
charger voltage and charger current are calibrated.
ADC-offset over limits:
Inspect the BSI line and components (R381, R200, pull-up resistor R193). If these are OK,
change UEM.
BSI Gain over limits:
Inspect the BSI line and components (R381, R200, pull-up resistor R193). If these are OK,
change UEM.
Page 38
Company Confidential
Table 1: Limits for calculated calibration
Channel
Low
ADC Offset
-50
ADC Gain
26000
BSI Gain
860
Vbatt Offset
2400
Vbatt Gain
10000
Vchar
57000
Ichar
3600
Copyright © 2004 Nokia Corporation
Company Confidential
Nokia Customer Care
High
50
29500
1180
2600
11000
63000
5000
Issue 1 05/04
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