Name: Nokia 7110
Brand: Nokia
Rating: 5 (1 reviews)

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CONFIDENTIAL 8 (30)

NSE-5

Service & Analysis Center Europe Repairhints Version 1.0 Approved

SACE AMS Training Group 30.07.2000

Repairhints_nse5_002508 Checked by:

AMS TRAINING GROUP

Approved by:

SACE

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,

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