Main Lcd Ts - LG -D295 Service Manual

3.17. Main LCD TS

The LCD control signals are generated by MSM8212(U2100) and powered by PM8110 (U4100 : PMIC).
Change the LCD Module
LGE Internal Use Only
START
Press PWR key
turn the power ON
Is the circuit Powered ?
Disconnect and re-connect
LCD Connector(CN7100)
LCD display is OK ?
Check LCD Power
+1V8_LCD_VDD (TP1),
Yes
+3V0_LCD_VDD (TP2),
+5V5_DDVDH (TP3), -5V5_DDVDL(TP4)
MIPI_DATA (TP5),
MIPI_CLK (TP6),
Change the Main Board
The LCD works
- 145 -
Yes
No
No
END
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3. TROUBLE SHOOTING
No
Follow the Power ON
Troubleshooting
Yes
Only for training and service purposes