LG -D175F Service Manual page 68

3.2.2.1 Checking DC Power supply circuit
+1V225_VREG_L1 is OK?
DC Power Supply Circuit is OK
See Next page to Check XO Circuit
LGE Internal Use Only
START
Check TP1(C1501)
+2V05_VREG_L9 is OK?
Yes
Check TP2(C1507)
Yes
Check TP3(C1516)
+1V8_VREG_L10 is OK?
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