4. Troubleshooting
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Other Problems
Make a general visual inspection for corrosion or oxidation from liquid damage according to point.
Turn on the phone. Go to service test menu; choose “16. RTC” press any key to check that the RTC
is working properly.
Check that the clock is working and that it does not start up with 00:00 when a battery is mounted.
Replace the Backup battery if necessary (Fig.10.1).
Fig.10.1
Содержание KG300
Страница 3: ... 4 ...
Страница 11: ...2 Software Download Procedure 12 Select default folder Press Install ...
Страница 12: ...2 Software Download Procedure 13 Press Finish Enable Leo Download tool ...
Страница 19: ...3 Assembly and Disassembly 20 v Take off the Main Board from B Cover Receiver Keypad ...
Страница 53: ...4 Troubleshooting 54 7312 RF Placement PX Path TX Path ...
Страница 57: ...4 Troubleshooting 58 RF transceiver U602 ...
Страница 61: ...4 Troubleshooting 62 U602 U601 J601 ...
Страница 62: ...5 Circuit Diagrams 63 SYSTEM BLOCK DIAGRAM 5 CIRCUIT DIAGRAMS ...
Страница 67: ... 68 ...
Страница 76: ... 77 6 PCB LAYOUT ...
Страница 77: ... 78 6 PCB LAYOUT ...
Страница 79: ... 80 ...
Страница 84: ...Note ...
Страница 85: ...Note ...