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CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 05.11.1999 Page 9 of 37
Do the energy
management
calibration
Check VCHAR on
voltage devider
R100 / R101 (10:1)
=0,8V
Try to charge after
calibration
Change N100
(CCONT)
Check resistance
0f fuse (F100) and
L100 (0Ohm)
change if
necessary
Not charging (2)
error message/ beep is coming from phone if charger is pluged in
Charge voltage
failed
Check R103 if it is
mechanical broken
check voltage
devider R106 /
R111 (1:2)
Check BTEMP A/D
in ADC readings
(317=25°C)
Check the
connection
between R125 and
R127
Battery voltage
failed
Cange N100
(CCONT)
Change R103 and
N101 (PSCC)
swap phone if there
is a disconnection
check NTC resistor
R127 (47Kohm)
Check battery
connector X101
X102. change if
bended
failed oK
not oK
not oK
oK
not oK
Yes
oK
not oK
oK
Yes
Yes
not oK
oK