LG LAS950M - Power on Error (12 V, 5 Va)

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ONE POINT REPAIR GUIDE
2. POWER ON ERROR (12 V, 5 VA)
Fundamental power check points
2-1. 12 V
1) Check 12 V at WFC602.
2) If 12 V is not checked at the point, then find PVDD at pin1 of WIC607.
3) 1), 2) is NG  Replace WIC607.
If you can’t check PVDD voltage, then you replace woofer SMPS board.
2-2. 5 VA
1) Check 5 VA at WFC601.
2) If 5 VA is not checked at the point, then find PVDD at pin1 of WIC606.
3) 1), 2) is NG  Replace WIC606.
If you can’t check PVDD voltage, then you replace woofer SMPS board.
< Woofer AMP board top view >
< Woofer AMP board top view >
12 V
12 V
at WFC602
at WFC602
PVDD
PVDD
at pin1 of WIC607
at pin1 of WIC607
PVDD
PVDD
at pin1 of WIC606
at pin1 of WIC606
5 VA
5 VA
at WFC601
at WFC601