3. TROUBLE SHOOTING
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No
DC Power Supply Circuit is OK
See Next page to Check XO Circuit
Yes
Check TP1(C109)
+1V8_VRF_MTK is OK?
The Problem may be Logic part
Refer to Logic troubleshoot
The Problem may be Logic part
Refer to Logic troubleshoot
The Problem may be Logic part
Refer to Logic troubleshoot
No
No
Yes
Check TP2(C103)
+2V85_VRF_MTK is OK?
Yes
Check TP3(C118)
+2V8_VTCXO_MTK is OK?
3.1.1.1 Checking DC Power supply circuit
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