LG VX8500 Service Manual page 51

VX8500
4.1.2.1 Checking DC Power supply Circuit (PMIC)
Test Point
R324 L302
LG Electronics Inc.
L301
Check L301
of U301
Check L411
of R324
Check L302
of L302
Circuit Diagram
59
Checking Flow
+2.9V_RX0 is OK?
No
The Problem may be Logic part
Yes
Refer to Logic troubleshoot
+2.6V_MSMP2 is OK?
No The Problem may be Logic part
Yes
Refer to Logic troubleshoot
+2.9V_RX1 is OK?
The Problem may be Logic part
No
Yes
Refer to Logic troubleshoot
DC Power supply Circuit
is OK. See next Page to
check VCTCXO circuit.