LG U250 Service Manual page 61

3. TECHNICAL BRIEF
3.11.7. LCD Module (NM176CN1 : Tovis)
- The NM176CN1 model is a Color TFT Main supplied by Tovis. This LCD Module has a 1.76 inch
diagonally measured active display area with 176(RGB)X220 resolution. each pixel is divided into
Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.
* Features
- Display mode(Main LCD) : Normally White, Transmissive TN mode 265K colors.
- LCD Driver IC: NT3916 (NOVATEK).
- 16 bit CPU interface Parallel
3.11.8. Display & LCD FPC Interface
LCD module is connected to LCD KEY FPCB with 35 pin (XF2B-3545-31A / OMROM) The LCD
module is controlled by 16-bit EBI2 in MSM6245.
CN400
35
34
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Figure 1.23 Interface between LCD Module and MAIN PCB.
LCD CONNECTOR
ICVE21184E150R500FR
LCD_RESET_N
LCD_IF_MODE_0
INOUT_A1 INOUT_B1
1
LCD_IF_MODE_1
INOUT_A2 INOUT_B2
2
LCD_VSYNC
INOUT_A3 INOUT_B3
3
INOUT_A4 INOUT_B4
4
FL401
- 62 -
ICVE21184E150R500FR
9
INOUT_B1
8
INOUT_B2
7
LCD_CS_N
INOUT_B3
9 6
LCD_ADS
INOUT_B4
8
EBI2_WE_N
7
EBI2_OE_N
6
ICVE21184E150R500FR
9
INOUT_B1
8
INOUT_B2
7
INOUT_B3
6
INOUT_B4
ICVE21184E150R500FR
INOUT_A1
1
INOUT_A2
2
INOUT_A3
3
INOUT_A4
4
ICVE21184E150R500FR
INOUT_A1
1
INOUT_A2
2
INOUT_A3
3
INOUT_A4
4
1
INOUT_A1 EBI2_DATA(0)
2
EBI2_DATA(1)
INOUT_A2
3
EBI2_DATA(2)
INOUT_A3
4
EBI2_DATA(3)
INOUT_A4
FL400
1
EBI2_DATA(4)
INOUT_A1
2
EBI2_DATA(5)
INOUT_A2
3
EBI2_DATA(6)
INOUT_A3
4
EBI2_DATA(7)
INOUT_A4
FL402
EBI2_DATA(8)
INOUT_B1
9
EBI2_DATA(9)
INOUT_B2
8
INOUT_B3 EBI2_DATA(10)
7
INOUT_B4 EBI2_DATA(11)
6
FL403
INOUT_B1 EBI2_DATA(12)
9
INOUT_B2 EBI2_DATA(13)
8
INOUT_B3 EBI2_DATA(14)
7
INOUT_B4 EBI2_DATA(15)
6
FL405
LCD_MAKER_ID
VREG_LCD_2.8V
WLED_1
WLED_2
WLED_3
WLED_PWR