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L7082 / L7089
SYMPTOM
9. Internal Charger not working
10. No / Weak audio when using headset
11. No IrDA Connection
6.4
Software Upgrade
For information on setting up and equipment required for the flashing of software, contact should be
made with the local technical support engineer.
Flashing must take place using the Emmi2D box.
6.5
Flexing
For information on setting up and equipment for flexing, contact should be made with the local
technical support engineer.
*IrDA does not support flashing or flexing, only Data transfer
30
of 48
PROBABLE CAUSE
b) Reed Switch defective
a) Faulty charger circuit on main
Board.
a) Headset not fully pushed home
b) Faulty Jack Socket / Defective PCB
a) Alignment of handset / IrDA device
b) Remote Device faulty
c) Logic/RF Board Assembly
Defective.
VERIFICATION AND REMEDY
Gain access to RF / Logic PCB as described
in the DISASSEMBLY instructions in this
manual. Unsolder the reed switch and
replace with a known good one. Reassemble
unit. Place call to portable phone and verify
ability to answer by opening flip. If fault still
present, replace original reed switch and
proceed to c.
Test a selection of batteries in the rear
pocket of the desktop charger.
Check LED display for the charging
indications. If these are charging ok, then the
internal charger is at fault. Replace Logic/RF
Board Assembly (refer to symptom 1c).
Verify that the
Fault has been cleared and re-assembles the
unit with the new PCB.
Fully ensure the 'click' is felt on the jack
socket. If still at fault proceed to b)
Replace Logic/RF Board Assembly (refer to
symptom 1c). Verify that the fault has been
cleared and re-assemble the unit with the
new PCB.
Ensure unit is no more than 25cm away from
the IrDA device that will be talked to, also
ensure as good as alignment as possible. If
still no connection proceed to b)
Check unit against known good IrDA device
to see if connection is made. If fault still
present refer to c)
Replace Logic/RF Board Assembly (refer to
symptom 1c). Verify that the fault has been
cleared and re-assembles the unit with the
new PCB.
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