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