Motorola L6 Service Manual page 40

Troubleshooting
Table 4. Level 1 and 2 Troubleshooting Chart (Continued)
Symptom
6. Receive audio from earpiece speaker is
weak or distorted.
7. Vibrator feature not functioning.
8. Internal Charger not working.
40
Probable Cause
a) Connections to or from transceiver
board defective.
b) Earpiece speaker defective.
c) Transceiver board defective.
a) Vibrator defective.
b) Transceiver board defective.
Faulty charger circuit on transceiver
board.
The following section provides a reference for the parts associated with L6
telephones.
October 14, 2005
Verification and Remedy
Check connection from the earpiece to the
transceiver board. If connection is not at fault,
proceed to b.
Temporarily replace the speaker with a known
good speaker. Ensure good connection. Place a
call and verify improvement in earpiece audio. If
fault is cleared, reassemble the phone with the
good transceiver board. If fault is not cleared,
proceed to c.
Replace the transceiver board (refer to 1c).
Verify that the fault has been cleared and
reassemble the phone with the new transceiver
board.
Replace vibrator. If the fault has not been
cleared, proceed to b.
Replace the transceiver board (refer to 1c).
Verify that the fault has been cleared and
reassemble the phone with the new transceiver
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
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 phone with the new transceiver
board assembly.
L6
6809495A75-O