3. TROUBLE SHOOTING
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3.4.1.1 Checking DC Power supply circuit
START
No
DC Power Supply Circuit is OK
See Next page to Check XO Circuit
Yes
Check TP1,2,3
+1V825_VRF_MTK is OK?
The Problem may be Logic part
Refer to Logic troubleshoot
The Problem may be Logic part
Refer to Logic troubleshoot
No
Check TP4,5,6
+2V8_VTCXO_MTK is OK?
Yes