Programming: Software Upgrade And Flexing - Motorola T720 Instruction Manual

Tri-band digital wireless telephone
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Level 3 Service Manual
Table 4. PF B65 Telephone: Level 1 and 2 Troubleshooting Chart (Continued)
Symptom
9. Vibrator feature not functioning.
10. Internal Charger not working.
11. Real Time Clock resetting when
standard battery is removed.
12. No or weak audio when using headset. a) Headset not fully pushed home. Ensure the headset plug is fully seated in the jack

Programming: Software Upgrade and Flexing

Related Publications
Motorola T720 User Guide, English
6881040B60
Probable Cause
Transceiver board assembly
defective.
Faulty charger circuit on
transceiver board assembly.
Lithium button cell in the display
board may be depleted.
b) Faulty jack socket on transceiver
board assembly.
Contact your local technical support engineer for information about equipment and
procedures for flashing and flexing.Part Number Charts
The following charts are provided as a reference for the parts associated with
PF B65 telephones.
August 01, 2002
Verification and Remedy
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.
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.
Refer service to a Level 3 service center for
replacement.
socket. If fault not cleared, proceed to b.
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.
6809441A06
Troubleshooting
43

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