Sharp LC-20VM2 Connection Pin Assignments, RGB Input Signals Recommended Timing, Input signal

Models: LC-20VM2

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Connecting to computer

Connection Pin Assignments

RGB input terminal: 15-pin mini D-sub female connector

5

4

 

3

2

1

 

Pin No.

Signal

 

Pin No.

Signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Analog input(red)

9

Not connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Analog input(green)

10

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Analog input(blue)

11

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Not connected

12

Not connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

Composite sync

13

Horizontal sync signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

GND (Analog red)

14

Vertical sync signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

GND (Analog green)

15

Not connected

 

10

9

 

 

8

 

7

6

8

GND (Analog blue)

 

 

15

14

 

13

12

11

 

 

 

 

 

 

CONTROL terminal: 9-pin mini Din female connector

 

 

 

8

 

 

 

 

 

 

 

 

 

 

Pin No.

Signal

Name

I/O

Reference

9

 

 

 

 

 

 

 

 

 

7

 

 

1

-

 

 

Not connected

 

 

 

 

 

 

 

 

 

 

 

2

RD

Receive Data

Input

Connected to internal circuit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

SD

Send Data

Output

Connected to internal circuit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

-

 

 

Not connected

6

 

 

 

 

 

 

 

 

 

3

5

SG

Signal Ground

 

Connected to internal circuit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

-

 

 

Not connected

5

 

 

 

 

 

 

 

 

 

4

 

7

RS

Request to send

Output

Connected to internal circuit

 

 

 

 

 

 

 

 

 

 

8

-

 

 

Not connected

2

 

 

 

 

 

 

1

 

 

 

 

 

9

-

 

 

Not connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RGB Input Signals (Recommended Timing)

 

 

 

Input signal

 

 

 

 

 

 

 

 

Video signal:

 

 

 

 

 

 

 

IBM

Analog input 0 to 0.7Vp-p 75Ω terminal (positive

 

 

 

 

VGA

polarity)

 

 

 

MODE

 

 

 

GRAPHIC

Horizontal synchronizing signal:

 

 

 

 

dot

640

TTL level (negative polarity)

 

 

 

 

line

480

Vertical synchronizing signal:

 

VIDEO

 

 

LEVEL

0.7Vp-p, 75Ω load

TTL level (negative polarity)

 

 

 

TYPE

RGB

 

 

 

 

Video signal time chart

 

 

FRONT PORCH a

dot

-

 

 

SYNC

b

dot

-

IBM, DOS/V type

 

 

 

 

BACK PORCH

c

dot

50

 

 

 

1H

 

VIDEO PERIOD d

dot

640

VIDEO SIGNAL

 

 

 

1H

 

dot

800

 

 

 

H-SYNC

 

 

 

 

 

 

 

s

31.7776

HORIZONTAL

 

 

 

 

 

 

 

 

 

 

1dot

 

ns

39.7219

SYNC SIGNAL

 

 

 

 

 

 

 

 

 

1/H

 

kHz

31.4688

a

b

c

d

 

 

 

1/dot

 

MHz

25.175

VIDEO SIGNAL

 

 

 

 

LEVEL

 

 

TTL

 

 

 

 

 

 

 

VERTICAL

 

 

 

 

SYNC POLARITY

+ / –

SYNC SIGNAL

 

 

 

 

FRONT PORCH w

H

-

w

x

y

z

 

SYNC

x

H

-

 

BACK PORCH

y

H

32

 

 

 

1V

 

 

 

 

 

VIDEO PERIOD z

H

480

 

 

 

 

V-SYNC

1V

 

H

525

 

 

 

 

 

 

 

ms

16.6832

 

 

 

 

 

1/V

 

Hz

59.9405

 

 

 

 

 

LEVEL

 

 

TTL

 

 

 

 

 

SYNC POLARITY

+ / –

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Sharp LC-20VM2 Connection Pin Assignments, RGB Input Signals Recommended Timing, Connecting to computer, Input signal

LC-20VM2 specifications

The Sharp LC-20VM2 is a notable entry in the world of compact television models, distinguished for its blend of performance, design, and innovative technology. Launched in the early 2000s, it quickly gained recognition as a reliable choice for consumers looking for a small yet powerful television solution.

One of the primary features of the LC-20VM2 is its display quality. The television boasts a 20-inch LCD screen with a resolution of 1280 x 768 pixels, providing users with sharp images and vibrant colors. The LCD technology utilized in this model ensures that the visuals are crisp and clear, making it suitable for various viewing experiences, from watching movies to enjoying video games. The wide viewing angles inherent in LCD screens allow family and friends to enjoy the same high-quality picture regardless of their seating position.

The LC-20VM2 is equipped with multiple input options, enhancing its versatility. Users can connect the television to various devices through its multiple HDMI ports, component inputs, and composite video connectors, allowing for seamless integration with DVD players, gaming consoles, and other media sources. The inclusion of a built-in tuner means that the LC-20VM2 can receive over-the-air broadcasts, making it a complete entertainment solution without the need for additional components.

One of the standout technological features of the LC-20VM2 is its use of Sharp's advanced image processing technology. This technology optimizes color performance and enhances contrast, ensuring a rich viewing experience that brings images to life. Additionally, the TV includes features like Noise Reduction and Adaptive Contrast, which further improve picture quality by reducing artifacts and enhancing details.

Design-wise, the LC-20VM2 boasts a sleek and modern aesthetic, making it a fitting addition to any home environment. Its compact size allows it to be placed easily on a countertop, shelf, or even mounted on a wall, providing flexibility in terms of space usage. The integrated speakers deliver decent sound quality, balancing clear dialogues with a respectable bass response, which complements the visual experience.

Overall, the Sharp LC-20VM2 exemplifies the features and quality that consumers seek in compact televisions. With its excellent picture quality, versatile connectivity options, and modern design, it remains a relevant choice for those desiring a reliable and robust viewing experience in smaller spaces. Whether for a bedroom, kitchen, or simply as an additional screen in a home, the LC-20VM2 continues to deliver performance that resonates with a wide audience of television enthusiasts.