Samsung 570DX - SyncMaster - 57" LCD Flat Panel... Manuel utilisateur

SERVICEManual

TFT-LCD Monitor Feature

LCD-Monitor

Chassis Model

LS57BPP 570DX

570DXN

Samsung Electronics Co.,Ltd.

416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Gyeonggi-Do,

Korea, 443-742

Printed in Korea

P/N : BN82-00135L-01

URL : http://itself.sec.samsung.co.kr/

-This Service Manual is a property of

Samsung Electronics Co., Ltd.

Any unauthorized use of Manual can be

punished under applicable International

and/or domestic law.

3. Alignment and Adjustments

3-1

3 Alignment and Adjustments

3-1 Service Mode

3-1-1 Entering the Factory menu on the Main board(using REMOCON)

- Power Off > MUTE > 1> 8 > 2 > Power On

-When use the Factory remote control: INFO > Factory

3. Alignment and Adjustments

3-2

3-2 Service Mode Menu

Auto-Color Adjusting

Adjust color by R/G/B Offset and Gain

Adjust Sharpness

Improving display quality

Noise Reduction, Fleshtone Correction

Panel lifespan and replacement frequency

Adjust H,V size and position

Apply Spread Spectrum

Factory Reset

Check the version and date of MICOM

Baudrate, nMFM operation status, Audio delay

value, selection of country

3. Alignment and Adjustments

3-3

- AutoColor Part

PC analog Only ( 1024x768@60 16gray

pattern)

The Color Control properly operates only in

the certain pattern with certain mode and the

color warps in other patterns and modes.

Also the proper color control is not supported

in the mode other than XGA 60Hz.

Component ( 720p color bar pattern)

Color control operates normally only in certain modes

of certain patterns, but in other cases, the operation

may distort color.

Extreme caution needed.!!

- White Balance Part

RED / BLUE / GREEN

Adjust the Gain and Offset

On: Display factory

adjusting value

Off: Display default

setting value

Used for color control.

But excessive setting may saturate the color.

Extreme caution needed.!!

3. Alignment and Adjustments

3-4

- Sharpness Part (1)

Adjusting the sharpness of displayed image.

- Sharpness Part (2)

Scaling Filter Sharpness Control - Peaking Y / Peaking UV

This adjusts the sharpness of luminance(Y) and color(UV).

The bigger the number is in the range of 1~127, the clearer

the picture is. The bigger the number is in the range of

128~255, the more natural video is. Too high sharpness may

cause the vivid noise.

Noise Coring Control - Peaking Coring

Display only the sharp large-edge without assuming the small-

edge of the video as a noise and amplifying it.

NonLinear Sharpness Control - Peaking Resion1/2 Threshold, Gain

Divide the frequency area and apply the different Gain for each area rather

than evenly apply the sharpness level over the whole image.

Nonlinear Out

Assign the threshold value to

improve the sharpness.

Noise Coring Out

3. Alignment and Adjustments

3-5

- Enhancers Part

Adjust to display the clear and sharp image.

This function is used to adjust the appropriate value for

each target region. Change only when it is needed.

HLE : Horizontal Large Edge Enhancer

HDP : Horizontal Detail Processor

HCE : Horizontal Chroma Enhancer

VDP : Vertical Detail Processor

- Back End Part

The MPEG NR menu is used to reduce the Mosquito noise

and Gaussian noise. The Fleshtone menu is used to display

the natural skin color.

3. Alignment and Adjustments

3-6

- Panel Info Part

Display the panel use time and the number of change.

Time Reset : Press the menu button on the front panel for 5 seconds.

- AV Size Part

AV size, position Adjustment

H,V size / H,V Position

3. Alignment and Adjustments

3-7

- Spread Spectrum/Reset Part

Spread Spectrum Adjustment

The application status of Spread spectrum

Amplitude and Period Setting

Reset : Factory Reset

Reset the setting on the Service Menu to the default setting.

Need to turn the Power On/Off after reset

- Option/Checksum Part Option Adjustment

Baudrate Speed Setting (The default value is 9600.

Change to 115200 when the code update on the main board is required.)

Function Key Setting/Unsetting

Option Setting in the Network part

Audio delay Setting (Set for the video and audio synchronization.)

The message display in the improper resolution mode Setting/Unsetting

PC cable detect Setting/Unsetting

DVI cable impedance matching setting

DVI clock reset Setting/Unsetting

DVI hot plug detect Setting/Unsetting

FAN Speed Setting

Checksum

The 4 digit serial number regarding the micom code is

displayed if you select this.

3-3 DDC Input Process

Connecting D-sub cable between the parallel port(printer port) of computer and Monitor.

3. Alignment and Adjustments

3-8

Connecting to the parallel

port of computer Connecting to Monitor

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