Release
1.1
Technical Documentation
01/2006
TD_Repair_L1-L3_AX72_R1.1.pdf
Page 37 of 41
15 SIM Card Problems
Fault Symptoms
Customer: GRT:
Handset does not accept SIM card
SIM Card Problems
SIM Card Problems
Watch for oxidation and
damaged pads of the
SIM Card reader
caused by customer
SCRAP
- has to be send
separately to WSC
okay
not
okay
Check the status of the
EMI Filter visually
Check the status of the
SIM Card reader visually
Use the resistor test
function of a multimeter
to check connection
between spring
contacts and soldering
contacts.
The value must be ~0
Ω
Exchange
SIM Card reader
Continue with
higher repair level
Exchange the
damaged Filter
okay
okay
okay
not
okay
not
okay
- check for twisted or
bent contacts
- check for dry joints
Back to customer
without repair
Connector SIM Card Reader
Use soldering iron to remove defective component. Avoid excessive heat! Watch surrounding components!
Resolder new component afterwards.
E-commerce order number:
L36334-Z97-C337
E-commerce order name:
CONNECTOR SIM CARD READER K1
Soldering temperature:
~ 360°C Tip Temp.
IRIS Diagnose Code:
43300 Interface/SIM Cardreader/Mechanical Damage
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