![Motorola A1000 Скачать руководство пользователя страница 43](http://html.mh-extra.com/html/motorola/a1000/a1000_service-manual_242266043.webp)
6809490A77-O
October 4, 2004
39
Level 1 and 2 Service Manual
Troubleshooting
Programming: Software Upgrade and Flexing
Contact your local technical support engineer for information about equipment and
procedures for flashing and flexing.
b) Earpiece speaker defective.
Temporarily replace speaker with a known
good speaker. Ensure good connection. Place
a call and verify improvement in earpiece
audio. If fault is cleared, reassemble phone
with good transceiver board. If fault is not
cleared, proceed to c.
c) Transceiver board defective.
Replace transceiver board (refer to 1c). Verify
that fault has been cleared and reassemble
phone with new transceiver board.
7. Telephone will not recognize or accept
SIM card.
a) SIM card defective.
Check the SIM card contacts for dirt. Clean if
necessary, and check if fault has been
cleared. If contacts are clean, insert a known
good SIM card into phone. Power up phone
and confirm that card has been accepted. If
fault no longer exists, replace defective SIM
card. If SIM card is not at fault, proceed to b.
b) Transceiver board defective.
Replace transceiver board (refer to 1c). Verify
that fault has been cleared and reassemble
phone with new transceiver board.
b) Transceiver board defective.
Replace transceiver board (refer to 1c). Verify
that fault has been cleared and reassemble
phone with new transceiver board.
9. Internal Charger not working.
Faulty charger circuit on 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 unit with the new
transceiver board assembly.
10. No or weak audio when using
headset.
a) Headset plug not pushed in fully.
Ensure the headset plug is fully seated in the
jack.
b) Faulty jack on transceiver board.
Replace transceiver board (refer to 1c). Verify
that fault has been cleared and reassemble
phone with new transceiver board.
Table 7. Level 1 and 2 Troubleshooting Chart (Continued)
Symptom
Probable Cause
Verification and Remedy
Содержание A1000
Страница 1: ...Level 1 and 2 Service Manual A1000 Wireless Telephone A1000 GSM and WCDMA 900 1800 1900 2100 MHz ...
Страница 2: ......
Страница 4: ...ii October 4 2004 6809490A77 O Contents A1000 ...
Страница 51: ......