P7689 / P7789 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 59 GSM Field Service Support 45 (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.