Software Upgrade - Motorola M3682 Service Manual

M3682
SYMPTOM
9. Internal Charger not working
10. No / Weak audio when using headset
6.4

Software Upgrade

For information on setting up and equipment required for the flashing of software, contact Technical
Support at 1 - 877 777 - 7520 55#.
32
PROBABLE CAUSE
b) Reed Switch defective
c) Logic/RF Board Assembly
Defective.
a) Faulty charger circuit on main
Board.
a) Headset not fully pushed home
b) Faulty Jack Socket / Defective PCB
European Customer Services
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.
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.
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.
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.