LG KT520 Service Manual page 49

3. TECHNICAL BRIEF
The 3M Camera modules are connected to 34-pin main board and VGA Camera module is connected
to LCD FPCB with 20-pin Board to Board through 70 pin Board to Board connector. Its interface is
dedicated camera interface port in DB3150. The camera port supply 24MHz master clock to camera
module and receive 60MHz pixel clock(15fps) for 3M camera, 24MHZ pixel clock(15fps) for VGA
camera, vertical sync signal, horizontal sync signal, reset signal and 8bits YUV data from camera
module. The camera module is controlled by I2C port.
pin no. Symbol
1 GND
2 PCLK
3 GND
4 GND
5 RSTN(Ative Low)
6 GND
7 NC
8 SDA
9 SCL
10 NC
11 NC
12 GND
13 STBYN(Ative Low)
14 LVDD1(Actuator)
15 LVDD2(Driver IC)
16 VDDA
17 VDDA
Table 2-2-1. Interface between Main board and 2M camera (in Main)
LGE Internal Use Only
pin no. Symbol
18 HSYNC
19 VSYNC
20 GND
21 EXTCLK
22 GND
23 D0
24 D1
25 D2
26 D3
27 D4
28 D5
29 D6
30 D7
31 VDDIO
32 VDDIO
33 VDDD
34 VDDD
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