L7089 / L7189 SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY 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 of 48 European Customer Services 30 b) Reed Switch defective 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. 9. Internal Charger not working a) Faulty charger circuit on main Board. 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. 10. No / Weak audio when using headset a) Headset not fully pushed home Fully ensure the ‘click’ is felt on the jack socket.
If still at fault proceed to b) b) Faulty Jack Socket / Defective PCB 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. 11. No IrDA Connection a) Alignment of handset / IrDA device 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) b) Remote Device faulty Check unit against known good IrDA device to see if connection is made. If fault still present refer to c) c) Logic/RF Board Assembly Defective. 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.