Motorola V323i, Руководство по обслуживанию

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6809507A01-O October 02, 2006 39
Level 2 Service Manual Troubleshooting
b) Microphone defective.
Gain access to microphone. Disconnect and
substitute a known good microphone. Place a
call and verify improvement in transmit signal as
heard by called party. If good, reassemble with
new microphone. If microphone is not at fault,
reinstall original microphone and proceed to c.
c) Transceiver board assembly
defective.
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.
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.
Replace the transceiver board assembly (refer to
1c). Verify that the fault has been cleared and
reassemble with the new transceiver board
assembly.
7. 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.
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.
8. Vibrator feature not functioning. Vibrator/Motor assembly defective.
Replace the Vibrator/Motor assembly. Verify that
the fault has been cleared and reassemble the unit
with the new Vibrator/Motor assembly.
9. 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.
11. No or weak audio when using headset. a) Headset not fully pushed home.
Ensure the headset plug is fully seated in the jack
socket. If fault not cleared, proceed to b.
b) Faulty jack socket on transceiver
board assembly.
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 2. Level 1 and 2 Troubleshooting Chart (Continued)
Symptom Probable Cause Verification and Remedy