Lcd Display Trouble - LG KG330 Service Manual

4.3 LCD Display Trouble (1)

• LCD Control signals
- From CL8524 :L_RD, L_WR, L_ADS, L_CS ,L_DATA(0:15)
From DBB : A(1:3),D(0:15),_WR,_RD
• Check point
- The assembly status of the LCD Module
- The Soldering of connector
- The connection between B to B connector and FPCB
from LCD Module.
DBB
(CALYPSO PLUS)
LCD module Block Diagram
A(1:3)
_WR
_RD
D(0:15)
LCD_RESET
LCD_BACKLIGHT
- 33 -
4. TROUBLE SHOOTING
(B TO B Connecotor
L_ADS
L_RD
MMP
(CL8524) L_WR
L_CS
L_DATA(0:15)
Charge pump
(SM8150)
to LCD Module)
LCD
C 704