Software Upgrade; Flexing - Motorola T200 Service Manual

T200 / T2688
SYMPTOM
7. Personal telephone will not
recognize/accept SIM card
9. Internal Charger not working
10. Weak or No vibrate Function
6.4

Software Upgrade

See DM Tool section
6.5

Flexing

See DM Tools section
28 of 51
PROBABLE CAUSE
a) SIM card defective
b) SIM retention latch
defective
c) Logic/RF Board
Assembly
Defective.
a) Faulty Charger
b) Logic/RF Board
Assembly
Defective.
a) Defective Vibrate motor
b) Logic/RF Board
Assembly
Defective.
GSM Field Service Support
VERIFICATION AND
REMEDY
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.
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)
Replace Logic/RF Assembly (refer to symptom 1c).
Verify that fault has been cleared and replace faulty
unit.
Attempt to charge unit with known good charger, if
OK replace charger. If fault still exists, proceed to b)
Replace Logic/RF Assembly (refer to symptom 1c).
Verify that fault has been cleared and replace faulty
unit.
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)
Replace Logic/RF Assembly (refer to symptom 1c).
Verify that fault has been cleared and replace faulty
unit.