Main Lcd Ts - LG -D325 Service Manual

3.14 Main LCD TS

The LCD control signals are generated by MSM8210. It needs two external powers like +1.8V_VREG_L14 and +2.85V_VREG_L19.
And its interface is MIPI having two data lanes and one clock lane.
Change the LCD Module
LGE Internal Use Only
Press PWR key turn the power ON
Is the circuit Powered ?
Disconnect and re-connect
LCD Connector(CN80000)
LCD display is OK ?
Check LCD Power +1V8_VREG_L14(C8003)TP1,
Yes
+2V85_VREG_L19(C8006)TP2,
MIPI_DATA (FL8001)TP3, MIPI_CLK (FL8000)TP4
LT8542(U8001)TP5, output LEDA(C8013)TP6
Change the Main Board
The LCD works
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3. TROUBLE SHOOTING
START
No
Yes
No
No
END
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Troubleshooting
Yes
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