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T200 / T2688
SYMPTOM PROBABLE CAUSE VERIFICATION AND
REMEDY
7. Personal telephone will not
recognize/accept SIM card
a) SIM card defective Initially check that the contacts on the card are not
dirty and that the SIM retention latch is pushed fully
across. Clean if necessary, and check if fault has
been eliminated. If the contacts are clean, insert a
Known good SIM card into the portable telephone.
Power up the unit and confirm whether or not the
card has been accepted. If the fault no longer
Exists, the defective SIM card should be replaced. If
the SIM card is not at fault, proceed to b.
b) SIM retention latch
defective
Remove rear housing as per DISASSEMBLY
instructions and replace with known good rear
housing, ensure the latch is pushed fully across, if
unit now tests OK, replace faulty rear housing. If not
proceed to c)
c) Logic/RF Board
Assembly
Defective.
Replace Logic/RF Assembly (refer to symptom 1c).
Verify that fault has been cleared and replace faulty
unit.
9. Internal Charger not working a) Faulty Charger Attempt to charge unit with known good charger, if
OK replace charger. If fault still exists, proceed to b)
b) Logic/RF Board
Assembly
Defective.
Replace Logic/RF Assembly (refer to symptom 1c).
Verify that fault has been cleared and replace faulty
unit.
10. Weak or No vibrate Function a) Defective Vibrate motor Access Vibrate motor using DISASSEMBLY
procedure, unplug and replace vibrator with known
good assembly. If unit now vibrates OK, build unit
back up with good vibrator. If fault still exists
proceed to b)
b) Logic/RF Board
Assembly
Defective.
Replace Logic/RF Assembly (refer to symptom 1c).
Verify that fault has been cleared and replace faulty
unit.
6.4 Software Upgrade
See DM Tool section
6.5 Flexing
See DM Tools section
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