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3.4.1.1 Checking DC Power supply circuit
Check TP1(C109)
+1V8_VRF_MTK is OK?
Check TP2(C103)
+2V85_VRF_MTK is OK?
+2V8_VTCXO_MTK is OK?
DC Power Supply Circuit is OK
See Next page to Check XO Circuit
LGE Internal Use Only
START
Yes
Yes
Check TP3(C118)
Yes
No
The Problem may be Logic part
Refer to Logic troubleshoot
No
The Problem may be Logic part
Refer to Logic troubleshoot
No
The Problem may be Logic part
Refer to Logic troubleshoot
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3. TROUBLE SHOOTING
Only for training and service purposes
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Troubleshooting
