Motherboard Code: 71SG3786-M1A-000-004V

How to repair:

U-7106 (G-973-120) +5V OK, BUT NO 3,3V

U-7104 No 3,3V and 1,2V

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Dead Parts:
U-7106 (G-973-120)

Parts that you must control:
C-7153
C-7158
C-7155
C-7157