4. Troubleshooting
- 30 -
Power on/off Problem
Start
Replace the U400
Re-Download SW
Go to step 2
Check the voltage of the following pins at U400
VCORE_C407=1.8V?
VDD_C408=2.
AVDD_C409=2.8V?
VMEM_C411=2.7V?
VBAT_C405= 3.8V?
Power will work properly
YES
YES
YES
NO
NO
NO
Check the X100=32.768KHZ
Change X100
Check the U603_C642=26MHZ
Change U603
Replace the U400
NO
NO
YES
YES
Содержание KG200
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 43: ...4 Troubleshooting 44 RF transceiver U602 RX Path TX Path ...
Страница 48: ...4 Troubleshooting 49 U600 PA U602 U601 T R J601 U603 J601 ...
Страница 52: ...4 Troubleshooting 53 U400 U100 ...
Страница 54: ...5 Circuit Diagrams 55 SYSTEM BLOCK DIAGRAM 5 Circuit Diagrams ...
Страница 63: ... 64 ...
Страница 70: ... 71 6 PCB LAYOUT ...
Страница 71: ... 72 6 PCB LAYOUT ...
Страница 73: ... 74 ...
Страница 78: ...Note ...
Страница 79: ...Note ...