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3. TROUBLE SHOOTING
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START
No
DC Power Supply Circuit is OK
See Next page to Check XO Circuit
Yes
Check TP1(C1501)
+2V05_VREG_L9 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(C1507)
+1V225_VREG_L1 is OK?
Yes
Check TP3(C1516)
+1V8_VREG_L10 is OK?
3.1.1.1 Checking DC Power supply circuit