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CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 05.11.1999 Page 11 of 37
Low stand by time/ operation time
Low standby/ operation mode time
check power consumtion of the phone:
off state > 0-1mA
sleep mode > 2-8mA
call mode GSM 900 / GSM1800 > 0-1A
check consumtion of
N700 > lift R745
G700 > lift R741
G702 > lift R742
change
corresponding if
consumtion is oK
change regulator
N702
change
corresponding
component
Lift L105
change N501 if
consumtion is oK
change N500 if
consumtion is oK
Lift L505
Lift L506
lift capacitors
C111-113, C115
check
outputvoltages of
CCONT
check the charging
circuit, check energy
management
calibration
change N100
CCONT
refer to section: "not
charging (2)"
refer to section:
"RX TX failures"
Calibrate RX and TX
values of the phone
Note: The standby time depends also on the network side, like: PRP (paging repeat
period time), signal strength (min -98dBm), location updates
and on the user handling of the phone (lights on or of, memory activities, games etc.)
check components
in corresponding
output lines
not Ok oK
not oK
oK
not oK
not oK
oK
not oK
oK
not oK
oK
oK
not oK
oK
not oK
oK
not oK
oK