Table of Contents
Advertisement
Service & Analysis Center Europe
SACE AMS Training Group
X100 SIMcard Reader
-
Check solderings of connector.
-
Check if bend or soiled, change if necessary.
SIM lines shorts to GND
-
Check resistance of SIM lines to GND at C116, C129, C130, C131,- value should be higher than
100kOhm.
-
Check also R120.
N100 CCONT faulty
-
Check SIMClock, SIMData, SIMReset and VSIM.
-
It´s also possible that broken solderings under CCONT N100 are the reason for this fault. Remove CCONT,
tinplate oxidized pads carefully with only a little bit of flux and solder, replace CCONT with µBGA
rework machine.
N200 COBBA faulty
-
If "SIM card not accepted" appears on LCD, but SIMlock-settings are ok or no SIMlock is set, it is
necessary to change COBBA N200.
Note that you have to rewrite SIMlock-data and tune Rx/Tx-values of the phone after changing the
COBBA,
Repairhints_nse5_002508
CONFIDENTIAL
NSE-5
Repairhints
30.07.2000
Checked by:
AMS TRAINING GROUP
8 (30)
Version 1.0 Approved
Approved by:
SACE
Advertisement
Table of Contents
