CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 19.10.1999 Page 11 of 41
Low Stand by time
Low standby time
(battery is Ok)
check powerconsumtion
of the phone:
Off state > 0-1,35mA
sleep mode > 1-5mA
Call mode GSM900>
250-440mA (level 19/5)
GSM 1800>200-420mA
(level 15/0)
change N501,
N502 if consumtion
is Ok
check C142,
C680-82, C105,
N101, change if
necessary
lift L560 lift L103
change N100,
CCONT if
consumtion is Ok
check the charging
circuit, use battery
management
calibration
refer to section "not
charging (2)" if any
A/D value is wrong
check if sleep mode
function works
propably
section
"not charging (2)"
resolder or change
D200, MAD if
necessary
Calibrate RX and TX
values of the phone
refer to section
receiver /
transmitter failure
section "receiver /
transmitter failure"
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.)
No
No No
Ok
Ok
Ok
No
Ok
No
Ok
No
Ok
N501 / N502 / N100 / N101 / D200 / Battery calibration - faulty
• Check the current consumption in different operations mode