Vibra Troubleshooting; Baseband Manual Tuning Guide; Energy Management Calibration - Nokia 300 Service Manual
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- User manual (143 pages) ,
- Service manual (20 pages) ,
- User manual (56 pages)
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RM-781
BB Troubleshooting and Manual Tuning Guide
Vibra troubleshooting
Troubleshooting flow
Baseband manual tuning guide
Energy management calibration
Prerequisites
Energy Management (EM) calibration is performed to calibrate the setting (gain and offset) of AD converters
in several channels (that is, battery voltage, BSI, battery current) to get an accurate AD conversion result.
Hardware setup:
• An external power supply is needed.
• Supply 12V DC from an external power supply to CU-4 to power up the phone.
• The phone must be connected to a CU-4 control unit with a product-specific flash adapter.
Issue 1
COMPANY CONFIDENTIAL
Page 3 – 47
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