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No
DC Power supply Circuit is OK?
Yes
Yes
Check TP1(C1506),TP2(C1504),
TP3(C1505),TP4(C1503)
+1V825_MTK_VRF is OK?
Check TP5(R1506)
+2V8_VTCXO_MTK is OK?
The Problem may be Logic part
Refer to Logic troubleshoot
The Problem may be Logic part
Refer to Logic troubleshoot
No
3.4.1.1 Checking DC Power supply circuit
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