LG KU250 Service Manual - Page 61

LCD Module NM176CN1 : Tovis, 11.8. Display & LCD FPC Interface - driver

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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 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 LCD CONNECTOR LCD_RESET_N LCD_IF_MODE_0 LCD_IF_MODE_1 LCD_VSYNC ICVE21184E150R500FR INOUT_A1 INOUT_B1 1 9 INOUT_A2 INOUT_B2 2 8 INOUT_A3 INOUT_B3 3 7 INOUT_A4 INOUT_B4 4 6 5 G1 10 G2 FL401 LCD_CS_N LCD_ADS EBI2_WE_N EBI2_OE_N ICVE21184E150R500FR 9 INOUT_B1 8 INOUT_B2 7 INOUT_B3 6 INOUT_B4 1 INOUT_A1 2 INOUT_A2 3 INOUT_A3 4 INOUT_A4 G2 10 G1 5 FL400 ICVE21184E150R500FR 9 INOUT_B1 8 INOUT_B2 7 INOUT_B3 6 INOUT_B4 1 INOUT_A1 2 INOUT_A2 3 INOUT_A3 4 INOUT_A4 G2 10 G1 5 FL402 ICVE21184E150R500FR INOUT_A1 1 INOUT_A2 2 INOUT_A3 3 INOUT_A4 4 INOUT_B1 9 INOUT_B2 8 INOUT_B3 7 INOUT_B4 6 FL403 EBI2_DATA(0) EBI2_DATA(1) EBI2_DATA(2) EBI2_DATA(3) EBI2_DATA(4) EBI2_DATA(5) EBI2_DATA(6) EBI2_DATA(7) EBI2_DATA(8) EBI2_DATA(9) EBI2_DATA(10) EBI2_DATA(11) 5 G1 10 G2 ICVE21184E150R500FR INOUT_A1 1 INOUT_A2 2 INOUT_A3 3 INOUT_A4 4 INOUT_B1 9 INOUT_B2 8 INOUT_B3 7 INOUT_B4 6 5 G1 10 G2 FL405 EBI2_DATA(12) EBI2_DATA(13) EBI2_DATA(14) EBI2_DATA(15) LCD_MAKER_ID VREG_LCD_2.8V WLED_1 WLED_2 WLED_3 WLED_PWR EVL14K02200 VA410 EVL14K02200 VA409 C409 0.1u PLW0501H-LF D402 INSTPAR Figure 1.23 Interface between LCD Module and MAIN PCB. - 62 -

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3. TECHNICAL BRIEF
- 62 -
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.
LCD
CONNECTOR
INSTPAR
PLW0501H-LF
D402
G1
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
ICVE21184E150R500FR
FL401
33
34
35
4
5
6
7
8
9
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
CN400
1
10
11
12
13
14
15
16
17
18
19
C409
0.1u
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
FL400
ICVE21184E150R500FR
G1
INOUT_A3
3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
FL402
ICVE21184E150R500FR
5
G1
10
G2
1
INOUT_A1
INOUT_A2
2
EVL14K02200
VA410
FL403
G1
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
ICVE21184E150R500FR
10
G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
ICVE21184E150R500FR
FL405
5
G1
EVL14K02200
VA409
EBI2_DATA(7)
EBI2_DATA(5)
EBI2_DATA(4)
EBI2_DATA(6)
WLED_1
WLED_3
VREG_LCD_2.8V
LCD_ADS
LCD_CS_N
LCD_RESET_N
LCD_VSYNC
LCD_IF_MODE_0
LCD_IF_MODE_1
EBI2_DATA(13)
EBI2_DATA(15)
EBI2_DATA(11)
EBI2_DATA(9)
EBI2_DATA(14)
EBI2_DATA(12)
EBI2_DATA(0)
EBI2_DATA(2)
EBI2_DATA(3)
EBI2_DATA(1)
EBI2_DATA(8)
EBI2_DATA(10)
EBI2_WE_N
EBI2_OE_N
WLED_PWR
WLED_2
LCD_MAKER_ID
Figure 1.23 Interface between LCD Module and MAIN PCB.