Troubleshooting Chart MOTOFONE F3
Troubleshooting Chart
Table 3. Level 1 and 2 Troubleshooting Chart
SymptomProbable CauseVerification And Remedy
Measure the voltage at TP_BATT+ with battery
attached. If voltage is below 3.0V, attach a
charger to the phone and ensure that the phone
a) Battery either discharged or
1. Telephone will not turn on or stay on.is charging. If the phone does not charge,
defective.
change the battery and repeat the measurement
charging procedure. If the phone still does not
turn on, proceed to b).
Forward unit to a level 3 service center for
b) Transceiver board defective.
replacement.
Check connection between the speaker/antenna
2. Telephone exhibits poor reception or assembly and the transceiver board. If the
a) Speaker/antenna assembly
erratic operation such as calls frequently contact is intermittent visually, replace with a
defective
dropping or weak or distorted audio.known good speaker/antenna assembly. If the
fault is still present, proceed to b.
Forward unit to a level 3 service center for
b) Transceiver board defective.
replacement.
Check connections between transceiver board
a) Connections between transceiver
3. No display.and display. If display still does not come up,
and display faulty.
proceed to b.
Replace with a known good display module.
b) Display module defective.Verify that the fault has been cleared with the
new display module and reassemble the unit.
Replace the antenna/speaker assembly with a
4. Incoming call alert transducer audio known good antenna/speaker assembly. If the
a) Faulty antenna/speaker assembly.
distorted or volume is too low.problem goes away, replace with a new antenna/
speaker assembly. Else proceed to b.
Forward unit to a level 3 service center for
b) Transceiver board defective
replacement.
5. Telephone transmit audio is weak.
Replace the microphone as described in the
(usually indicated by called parties a) Microphone defective.
procedures. If fault is not cleared, proceed to b.
complaining of difficulty in hearing voice).
Forward unit to a level 3 service center for
b) Transceiver board defective
replacement.
Replace the earpiece speaker with a known
6. Receive audio from earpiece speaker is a) Contacts between earpiece good one. Reassemble with a new front housing
weak or distorted.speaker and transceiver board faulty.if the fault goes away. If the fault is still present,
proceed to b.
Forward unit to a level 3 service center for
b) Transceiver board defective.
replacement.
Check the SIM card contacts for dirt. Clean if
necessary, and check if fault has been cleared.
If the contacts are clean, insert a known good
7. Telephone will not recognize or accept
a) SIM card defective.SIM card into the telephone. Power up the unit
SIM card.
and confirm that the card has been accepted. If
the fault goes away, replace the defective SIM
card. If the SIM card is not at fault, proceed to b.
Forward unit to a level 3 service center for
b) Transceiver board defective
replacement.
Ensure the headset plug is fully seated in the
8. No or weak audio when using headset. a) Headset plug not pushed in fully.
jack.
36 October 27, 2006 6809505A65-A |
ACEC
MOTOROLA
