Motorola V3 SERIES, Руководство по обслуживанию

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32 September 26, 2006 6809505A6
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Troubleshooting V3xx
c) Transceiver board defective. Forward to an authorized level 3 service center.
6. Receive audio from earpiece speaker is
weak or distorted. a) Connections to or from transceiver
board assembly defective. Gain access to the transceiver board assembly
as described in the procedures. Check flex and
the flex connector from the flip assembly to the
transceiver board assembly. If flex is at fault,
replace flip assembly. If flex connector is at fault,
proceed to d. If connection is not at fault,
proceed to b.
b) Flip assembly defective. Temporarily replace the flip assembly with a
known good assembly. If fault has been cleared,
reassemble with the new flip assembly. If fault
not cleared, proceed to c.
c) Antenna assembly defective. Check to make sure the antenna is installed
correctly. If the antenna is installed correctly,
substitute a known good antenna assembly. If
this does not clear the fault, reinstall the original
antenna assembly and proceed to d.
d) Transceiver board assembly
defective. Forward to an authorized level 3 service center.
7. Telephone will not recognize or accept
USIM. a) USIM defective. Check the USIM contacts for dirt. Clean if
necessary and check if fault has been cleared. If
the contacts are clean, insert a known good
USIM into the telephone. Power up the unit and
confirm that the USIM has been accepted. If the
fault no longer exists, replace the defective
USIM. If the USIM is not at fault, proceed to b.
b) Flip assembly defective. Temporarily replace the flip assembly with a
known good assembly. If fault has been cleared,
reassemble with the new flip assembly. If fault
not cleared, proceed to c.
c) Transceiver board assembly
defective. Forward to an authorized level 3 service center.
8. Phone does not sense when flip is
opened or closed (usually indicated by
inability to answer incoming calls by
opening the flip, or inability to make
outgoing calls). a) Flip assembly defective. Temporarily replace the flip assembly with a
known good assembly. If fault has been cleared,
reassemble with the new flip assembly. If fault
not cleared, proceed to b.
b) Transceiver board assembly
defective. Forward to an authorized level 3 service center.
9. Vibrator feature not functioning. Transceiver board assembly defective. Forward to an authorized level 3 service center.
10. Internal Charger not working. Faulty charger circuit on transceiver
board assembly. Test a selection of batteries in the rear pocket of
the desktop charger. Check LED display for the
charging indications. If these are charging
properly, then the internal charger is at fault.
Replace the transceiver board assembly (refer
to 1c). Verify that the fault has been cleared and
reassemble the unit with the new transceiver
board assembly.
Table 3. : Level 1 and 2 Troubleshooting Chart (Continued)
SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY