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3.2.1.1 Checking DC Power supply circuit
START
Dc powersupply Circuit is O.K.
See next Page to check XO citcuit
CheckTP1(C1506),TP2(C1504),
TP3(C1505),TP4(C1503)
+1V825_MTK_VRF is OK?
check
TP5(R1503
+2V8VTCXO_MTK is OK?
The Problem may be Logic part
Refer to Logic troubleshoot
The Problem may be Logic part
Refer to Logic troubleshoot
YES
YES
NO
NO