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Hone switch it self off, Low stand by time/ operation time – Nokia 3210 User Manual

Page 11

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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