Trouble Shooting Guide, Advanced
4/00021-3/FEA 209 544/25 C
Ericsson Mobile Communications AB
77(78)
25 ADC-Values
You can use EFRA to read off the digital values of two ADC channels:
Temperature in N500 and VBAT in N700, Fig. 25.1.
Fig. 25.1
You can choose to read the values once or continuously.
25.1 Temperature
ADC limits for “Temperature” is shown in the Table 25.1 below.
Min. max
Temperature 6E 82 HEX
105 135 DEC
Table 25.1
The values in the table are valid for a temperature around 25
o
C.
If “Temperature” is not correct according to the table,
the fault is probably due to R505, R506 or N500.
25.2 VBATT
ADC limits for “VBATT” is shown in the Table 25.2 below.
VBATT(V) min. max UNIT
3.2 V 20 34 HEX
4.1 V 73 87 HEX
Table 25.2
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