LG LG-K430DSF - 3.11 Checking LCD Block

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3. TROUBLE SHOOTING
3.11 Checking LCD Block
The LCD control signals are generated by MT6753. Its interface is MIPI having four data lanes and one clock lane.
Checking Flow Image
END
Press PWR key
turn the power ON
Change the LCD Module
Change the Main Board
Start
Is the circuit Powered ?
No
Yes
Disconnect and re-connect
LCD Connector(CN5001)
Yes
LCD display is OK ?
No
Yes
Check LCD Power
TP1~TP2
MIPI CLK/DATA & LEDA TP3
No
Follow the Power ON
Troubleshooting
The LCD works
CN5001
TP2
TP3
TP1