LG H990ds - Charger Circuit Troubleshooting

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3. TROUBLE SHOOTING
The I/O connector and Type-C cable voltage(5V or 9V) is used as the reference one of PMIC for charging.
Checking Flow
NO
Yes
NO
Yes
NO
Yes
Change the Charger
( U4700 )
NO
Change PMI8996
(U4200)
Yes
Yes
START
Connection OK?
Check the Connection
of Type-C cable and battery
Change I/O connector
Change TA
(or Type-C Cable)
END
END
END
Is the Type-C Cable
voltage 5V(or 9V) C17026?
Is it charging properly
After turning on?
Change Battery module,
Normal booting?
Change Battery module
YES
Replace Main board
VBUS(C17026)
SMB1350
(U4700)
PMI8996
(U4200)
3.12 Charger
68