LG KU730 Service Manual page 58

3.11.8 LCD Module (IM200CST5A : LGINNOTEK)
- The IM200CST5A module is a Color Active Matrix Liquid Crystal Display with an Light Emission
Diode(LED) Back Light system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive type display operating in the normally white mode.
This TFT-LCD has a 2.0 inch diagonally measured active display area with 176 * RGB * 220
resolution. Each pixel is divided into R,G,B dots which are arranged in vertical stripes. Also, this LCD
has a 1.17 inch sub panel with 96 * RGB * 96 resolution.
Gray scale or the brightness of the dots color is determined with a 6 bit gray scale signal for each dot,
thus, presenting a palette of more than 262,000 colors.
* Features
- Display mode : Transmissive TN ( Twisted Nematic ) mode 262K colors
- LCD Driver : HD66789R ( Gate/Source 1chip )
- 16 /9 bit CPU interface
- Sleep, Still, Moving mode display
- Low power consumption driving ( Line Inversion )
- Mobile Phone Application
176 x 3(R,G,B) x 220
Main Display
(TFT LCD Transmissive)
Source Signal
(176x3)
/WR,/CS,/RS,
/RESET,/RD,
Data(0~15)
Control Signal
/DATA
Gate
Signal
(220)
Driver & Controller (All-In-One)
(HCD66784R)
Vcc/Vci
Power
MSM6275 & MAIN BOARD SYSTEM
Figure. LCD Module Block Diagram
- 59 -
3. TECHNICAL BRIEF
96 x 3(R,G,B) x 96
Gate
Sub Display
Signal
(TFT LCD
(96)
Transmissive)
Source Signal
(96x3)
VMLED,
MLED1
~3
Backlight