Motorola V3682, Service Manual

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of 46 European Customer Services 27
V3682
SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY
b) Reed Switch defective Gain access to Keypad board 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.
c) Keypad board is
Defective. Replace the Keypad board with a known
good one. Place call to portable phone
and verify that the fault has been
eliminated. If not at fault, proceed to d.
d) 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.
9. Vibrator feature not functioning
a) Vibrator defective Replace vibrator. If fault still present,
replace original vibrator motor and
proceed to b.
b) 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.
10. 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.
11. Real Time Clock resetting when
standard battery is removed.
Lithium button cell in the Flip may
be depleted. Remove RF / Logic PCB from housing
and insert into known good housing with
flip, ensure good flex connection. Check
RTC time does not reset If Ok, rebuild
with good housing. If fault is still
present then replace front / flip Assy.
12. No / Weak audio when using headset
a) Headset not fully pushed home Fully ensure the ‘click’ is felt on the
jack socket.
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.
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#.
6.5 Flexing
For information on setting up and equipment for flexing, contact should be made with the local
technical support engineer.