Samsung 570DXN Schematic

SERVICE

Manual

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

Alignment and Adjustments

3-1 Ser vice 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 Ser vice 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 Par t

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 Par t (1)

Adjusting the sharpness of displayed image.

- Sharpness Par t (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 smalledge 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 Par t

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 Par t

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

3. Alignment and Adjustments

3-9

- DDC Input Process

(DDC file name : SM570DXA1.DDC / SM570DXD1.DDC)

The DDC input is available after entering the Service Mode.: Cancel the DDC Protection.

1. Open the file.

2. Select Port 1 (D-SUB) / Select Port 2(DVI)

3. Select the DDC file.

4. Click the Next(OK) button.

5: Input the monitor serial number and press Enter. Input Analog and repeat 2~5 times when input Digital.

3. Alignment and Adjustments

3-10

3-4 MDC(Multi Display Control) Prog ram

1. Run the SETUP. EXE file.

2. Select I Agree.

3. Select NEXT.

4. Select Install.

3. Alignment and Adjustments

3-11

5. "Yes" Click.

6. "OK" Click.

3. Alignment and Adjustments

3-12

3-5 MDC(Multi Display Control) Prog ram_How to use

- Connect the serial port of the PC and Beethoven Board with the RS232C cable.

- Option in the Factory Menu : Check if BaudRate is set to 9600

A Multiple Display Control (MDC) is an application allowing various displays to be easily and simultaneously operated on a PC. RS-232C, a standard of serial communication, is used for the communication between a PC and a display. Therefore, a serial cable should be connected between the serial port on a PC and the serial port on a display. Refer to the diagram.

1. Click the main icons to switch into each screen.

2. Allows you to enable or disable the remote control signal receiving function of the display unit.

3. Use to lock monitor functions.

4. Use to change the port. The default port is COM1.

5. Use Select All and Clear All buttons to select or clear all displays.

6. Use Grid to view brief information on selected display.

The remote control Enable/Disable function operates whether or not the power is On/Off, and this applies to all displays connected to the MDC. However, all displays return to the default setting with the remote control receiving function enabled regardless of the status at the time the MDC is shut down

- Start- Main Window

Click Start > Program > Multiple Display Control to start the program. Select a set to see the volume of the selected set within the slider.

3. Alignment and Adjustments

3-13

1. Multiple Display Control is originally set to COM1.

2. If the port other than COM 1 is used, any port between COM1 to COM4 is selectable.

3. The port connected to the monitor and serial cable needs to be assigned with the correct name for the communications.

4. Once the port is selected, it is stored and used for the next program.

- Start-Port Selection

1. Click Power Control of the main icons to display the

Power Control window.

- Info Grid shows some basic information necessary

for Power Control.

1) Power Status

2) Input Source

3) Image Size

4) On Timer Status

5) Off Timer Status

2. Use the Select All button or Check Box to choose a

display to control. Power Control allows you to control functions regarding the power of the selected display on the menu.

6) Power On/Off Turns the power of the selected display on or off.

7) Volume

Adjust the volume of the selected display. The appropriate volume for the selected set is

displayed as you select a set.

(When you cancel the selection or choose Select

All, the volume returns to the default value 10.)

8) Mute On/Off Turns on or off the Mute function of the selected monitor. The Power Control feature is available for all connected monitors.

- The Volume Control and Mute features are available only for the displays whose power status is ON.

- Power Control

1 2 3 4 5

3. Alignment and Adjustments

3-14

- Info Grid shows some basic information necessary to Input Source Control.

1) PC

Changes the Input Source of the selected display to PC.

2) BNC

Changes the Input Source of the selected display to BNC.

3) DVI

Changes the Input Source of the selected display to DVI.

4) TV

Changes the Input Source of the selected display to TV.

5) AV

Changes the Input Source of the selected display to AV.

6) S-Video Changes the Input Source of the selected display to

S-Video.

7) Component

Changes the Input Source of the selected display to

Component.

8) MagicNet The MagicNet input can be changed only in the MagicNet mode.

- The Input Source Control feature is available only for the display whose power status is ON.

-Input Source Control

1. Click Input Source of the main icons to display the Input Source control window. Click Select All or use Check Box to select a display to control.

- Info Grid shows some basic information necessary to Image Size Control.

1) Power

Shows the power status of the current display.

2) Image Size

Shows the current Image Size of the display in use.

3) Input Source Shows the current Input Source of the display in use. Info Grid displays only the displays whose Input Source is PC, BNC, or DVI.

4) When you click Image Size, the PC, BNC, and DVI tabs first appear. This feature allows you to control Image Size for PC, BNC, or DV.

- Image Size Control is available only for the displays for whose power status is ON.

-Image Size Control - PC, BNC, DVI

1. Click Image Size of the main icons to display the Image Size control window.

1 2 3

3. Alignment and Adjustments

3-15

- Info Grid shows some basic information necessary to Image Size Control.

1) Click the Video Source tab to adjust the Image Size of AV, S-Video, TV, Component, or DVI(HDCP). Click Select All or use Check Box to select a display to control.

2) Info Grid displays only the display having AV, S-Video, TV, Component, or DVI(HDCP) as input source

3) Adjust the Image Size of the display.

If the input signal for the component or DVI(HDCP) is

720p or 1080, Zoom1 and Zoom are not available.

- The Image Size Control feature is available only for the displays whose power status is ON.

-Image Size Control - Video Source

1. Click Image Size of the main icons to display the Image Size window.

- Info Grid shows some basic information necessary to Time Control.

1) Current Time

Set the current time for the selected display (PC Time). Set the PC time before you change the current time.

2) On Time Setup Set the hour, minute, AM/PM of On Time, Status, Source, and Volume of the selected display.

3) Off Time Setup Set the hour, minute,, and AM/PM, and Status for Off Timer of the selected display.

4) Shows the On Timer settings.

5) Shows the Off Timer settings.

- Time Control is available only for the displays for whose the power status is ON.

-Time Control

1. Click Time of the main icons to display the Time Control window.

1 2 3

3. Alignment and Adjustments

3-16

- Info Grid shows some basic information necessary to PIP Size Control.

1) PIP Size

Shows the current PIP Size of the display in use.

2) OFF

Turns off the PIP of the selected display.

3) Large Turns on the PIP of the selected display and changes the size to Large.

4) Small Turns on the PIP of the selected display and changes the size to Small.

5) Double1 Turns on the PIP of the selected display and changes the size to Double 1.

6) Double2 Turns on the PIP of the selected display and changes the size to Double 2.

7) Double3 Turns on the PIP of the selected display and changes the size to Double 3.

- PIP Control is available only for the displays whose power status is ON.

- The set with the input source Component is not displayed on Info Grid.

-PIP Control - PIP Size

1. Click PIP of the main icons to display the PIP control window.

1 2 3

3. Alignment and Adjustments

3-17

- Info grid shows some basic information necessary to PIP Source Control.

1) PIP Source Click the PIP Source tab to display the PIP Source list. PIP Source can be controlled only when the power of the monitor is turned on.

2) PC

Changes the PIP source of the selected display to PC.

3) BNC Changes the PIP source of the selected display to BNC.

4) DVI Changes the PIP source of the selected display to DVI.

5) TV Changes the PIP source of the selected display to TV.

6) AV Changes the PIP source of the selected display to AV.

7) S-Video Changes the PIP source of the selected display to S-Video.

8) Component Changes the PIP source of the selected display to Component.

Some of the PIP Sources may not be available for selection depending on the input source type of the Main Screen.

The PIP control feature is available only for the displays whose power status is ON and the PIP function is set to ON.

-PIP Control - PIP Source

1. Click PIP of the main icons to display the PIP control window.

- Info Grid shows some basic information necessary to Setting Control. When each function is selected, the set value of the selected function is displayed in the slide. As you select Select All, the value is returned to the default setting (50). Changing a value in this screen will automatically change the mode to "CUSTOM."

1) Picture Available only for TV, AV, S-Video, Component, and DVI(HDCP).

2) Contrast

Adjusts Contrast of the selected display.

3) Brightness Adjusts Brightness of the selected display.

4) Sharpness Adjusts Sharpness of the selected display.

5) Color

Adjusts Color of the selected display.

6) Tint Adjusts Tint of the selected display.

7) Color Tone Adjusts Color Tone of the selected display.

This feature is available only for the displays whose power status is ON and if no selection is made, the factory default is displayed.

- Setting Control - Picture

1. Click Settings of the main icons to display the Settings Control screen.

3. Alignment and Adjustments

3-18

1) Picture PC

Available only for PC, BNC, and DVI.

2) Contrast

Adjusts Contrast of the selected display.

3) Brightness

Adjusts Brightness of the selected display.

4) Red

Adjusts Red Color of the selected display.

5) Green

Adjusts Green Color of the selected display.

6) Blue

Adjusts Blue Color of he selected display.

This feature is available only for the displays whose power status is ON and if no selection is made, the factory default is displayed.

-Setting Control - Picture PC

1. Click Setting of the main icons and select the Picture PC tab to display the Setting Control window.

1) Audio Controls audio setting for all input sources.

2) Bass Adjusts Bass of the selected display.

3) Treble Adjusts Treble of the selected display.

4) Balance

Adjusts Balance of the selected display.

5) SRS TSXT Turns the SRS Trusurround XT function of the selected display On/Off.

6) Sound Select Select either Main or Sub when the PIP of the selected display is turned On.

This feature is available only for the displays whose power status in IN and if no selection is made, the factory default is displayed. The MagicNet Input operates only in MagicNet models.

-Setting Control - Audio

1. Click Settings of the main icons and select the Audio tab to display the Setting Control window.

3. Alignment and Adjustments

3-19

- Info Grid shows some basic information necessary to Image Lock.

1) Image Lock Available only the controls for PC and BNC.

2) Coarse Adjusts Coarse of the selected display.

3) Fine Adjusts Fine of the selected display.

4) Position Adjusts Position of the selected display.

5) Auto Adjustment Automatically adjusts the screen.

- This feature is available only for the displays whose power status is ON.

-Setting Control - Image Lock

1. Click Settings of the main icons and select the Image tab to display the Setting Control window.

- Info Grid shows some basic information necessary to Maintenance Control.

1) Lamp control

Adjusts the brightness of the lamp.

2) Auto Lamp Control Automatically adjusts the backlight of the selected display at a specified time. The Auto Lamp Control automatically turns off if you adjust using the Manual Lamp Control.

3) Manual Lamp Control Allows you to adjust the backlight of the selected display regardless of the time. The Manual Lamp Control automatically turns off if you adjust using the Manual Lamp Control.

- The Maintenance Control feature is available only for the displays whose Power Status is ON.

-Maintenance Control - Lamp Control

1. Click Maintenance of the main icons and select the Lamp Control tab to display the Maintenance Control window.

3. Alignment and Adjustments

3-20

1) Screen Scroll Eliminates the afterimages that can result when the still image is displayed for prolonged periods. Use Interval to set the repeat cycle by time unit and use Second to set the repeat cycle by second unit. Select one of 4 types- Scroll, Pixel, Bar, Eraser.

- The Maintenance Control feature is available only for the displays whose power status in ON.

-Maintenance Control - Lamp Control

1. Click Maintenance of the main icons and select the Scroll tab to display the Maintenance Control.

1) Video Wall A Video Wall is a set of video screens that are connected together, so that each screen shows a part of the whole picture or so that the same picture is repeated on each screen.

2) Video Wall (Screen Divider) You can select a number of screens with a different layout when dividing.

3) On / Off Turns On or Off the Video Wall function of the selected display.

4) Format The format can be selected to see a divided screen.

This feature is available only for the displays whose power status in IN and if no selection is made, the factory default is displayed. The Malignant Input operates only in MagicNet models.

Full Natural

-Maintenance Control - Video Wall

1. Click Maintenance of the main icons and select the Wall tab to display the Maintenance Control window.

2 * 2 3 * 3

4 * 4

1 * 2

1 * 5

5 * 1

2 * 1

3. Alignment and Adjustments

3-21

-Troubleshooting

1. The display you wish to control does not appear on the Power Control Info Grid

- Check the connection of RS232C. (Check if it is properly connected to the Com1 port)

- Check the displays to see if any of the other displays connected have the same ID. If more than one displays have the same ID, those displays are not properly detected by the program due to data conflict.

- Check if the Display Set ID is a number between 1 and 10. (Adjust using the Display menu)

note : A Display Set ID must be a value between 1 and 10.

If the value is out of the range, the MDC system cannot control the display.

2. The display you wish to control does not appear on the other Control Info Grids

- Check to see if the display power is ON. (You can check this in Power Control Info Grid)

- Check if you can change the input source of the display.

3. The dialogue box appears repeatedly.

- Check to see if the display you wish to control is selected.

4. Both On Timer and Off Timer have been set but different time is showing.

- Apply current time to synchronize the display clocks.

5. The remote may not function properly when you turn off the remote Function, disconnect the RS-232C cable, or exit the program in an Irregular manner. Rerun the program and turn the remote function again to Restore normal functions.

note : This program may malfunction due to problems in communication circuits or interference from electronic

appliances nearby.

Settings Value Display In Multiple Display Mode

When there are more than one displays connected, the settings values are displayed as follows.

1. No selection: Displays the Factory Default Value.

2. Selected one display: Fetches and displays the settings value for the selected display.

3. Selected one display (ID1) and add another display (ID3): The program, which was displaying the settings value of

ID 1, fetches and displays the value of ID3.

4. Selected all sets using Select All: Returns to the Factory Default Value.

3. Alignment and Adjustments

3-22

3-6 Updating the program - MAIN

-. How to connect

1.Connect the serial port of the PC and the input serial port of Beethoven Board with the RS232C cable.

2. Option in the Factory Menu : Check if BaudRate is set to 115200.

RS-232C, a standard of serial communication, is used for the communication between a PC and a display. Therefore, a serial cable should be connected between the serial port on a PC and the serial port on a display. Refer to the diagram.

Run the .exe file and press the ¡°OK¡± button, then press ¡°Next¡± to complete the installation. (Attached)

Malibu Flash Downloader 1.7 File

The program is not affected by Windows OS system. When the installation is complete using the Setup.exe file , the icon appears on your desktop. Double click the icon to run the program.