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Only for training and service purposes

DESCRIPTION OF BLOCK DIAGRAM

1. Video Controller Part.

This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the

digital video signal using a pixel clock.

The pixel clock for each mode is generated by the PLL.

The range of the pixel clock is from 25MHz to 149MHz.

This part consists of the Scalar, ADC converter, TMDS receiver and LVDS transmitter.

The Scalar gets the video signal converted analog to digital, interpolates input to 1366 x 768 resolution signal and

outputs 8-bit R, G, B signal to transmitter.

2. Power Part.

This part consists of the one 3.3V, and one 1.8V regulators to convert power which is provided 5V in Power board.

14.5V is provided for inverter board, 5V is provided for LCD panel.

Also, 5V is converted 3.3V and 1.8V by regulator. Converted power is provided for IC in the main board.

The inverter operates back-light lamps of module.

3. MICOM Part.

This part is including video controller part. And this part consists of Reset IC and the Micom.

The Micom distinguishes polarity and frequencies of the H/V sync are supplied from signal cable.

The controlled data of each mode is stored in scalar.

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LG E1941S Specifications

General

3D	No
Pixel pitch	0.30 x 0.30 mm
Aspect ratio	16:9
Display diagonal	18.5 \
Display resolution	1366 x 768 pixels
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	-
Contrast ratio (typical)	1000:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	1366 x 768
HDCP	Yes
DVI-D ports quantity	0
Product color	Black
LED indicators	Power
Tilt angle range	-5 - 15 °
Panel mounting interface	- mm
Power consumption (standby)	0.3 W
Power consumption (typical)	18 W
Cables included	VGA

Weight and Dimensions