Testing And Tuning Bb After Component Replacement; Testing Interfaces - Nokia RM-51 Service Manual

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4. Select "Tune".
Calibration is carried out automatically regarding the calibration item(s) that you selected.
5. The candidate of the new calibration values is shown in the "calculated" field. If the new calibration values
seem to be reasonable (please refer to the calibration value limit table), select Write to store the new
calibration value in the phone permanent memory.
Parameter
ADC Gain
ADC Offset
BSI Gain
VBAT Gain
VBAT Offset
VCHAR Gain
ICHAR Gain
ICHAR Offset
IBAT Gain
6. Select "Read from phone" and confirm that the new calibration values are stored in the phone memory
correctly. If not, please try to store by selecting "Write" again.
7. Close the Energy Management Calibration window.

Testing and tuning BB after component replacement

Context
The replacement of certain components which influences the energy management in the phone should be
followed by a calibration.
Steps
1. Calibrate R133, the UEMEK - D250, the ZOCUS - N130 and R259.

Testing interfaces

The mobile device has a testing interface that is easy to access by service battery. The following signals are
allocated on test pads.
Table 6 Testing and flashing interface electrical specifications
Pad Name Dir
No
1 STI_Tx ->
2 VPP
3 FBusT ->
x
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Table 5 Calibration value limits
Min.
26500
-50
950
10000
2300
58000
3750
0
50
Parameter Min
Vo
Voh 0.8*VIO
To Phone 0 / 2.8 / 9 +/-3%
Vol 0
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Max.
28500
50
1100
11000
2900
62000
4650
150
160
Typ Max Unit
0.22*VIO
2.7 0.3*VFlash
1
Baseband troubleshooting
Notes
V
V
V Prommer Select
V
9238460 (Issue 1)
RM-51