Nokia 2650 Service Manual page 174

RH-53/54
The error "SIM card rejected" means that the ATR message received from SIM card is corrupt-
ed, e.g. data signal levels are wrong. The first data is always ATR and it is sent from card to
phone.
For reference a picture with normal SIM power-up is shown below.
Ch1 : VSIM
Ch2 : RESET
Vibra failure
1. Flex B2B connector pressed in?
2. Change C2 cover assembly(new vibra)/Vibra works?
3. Change LCD can assembly (new flex) works?
4. Change main PWB (UEM)?
Issue 2 06/2005
Normal SIM power-up sequence
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
Ch3 : CLOCK
Ch4 : DATA
Nokia Customer Care
17