Samsung 570DX - SyncMaster - 57" LCD Flat Panel... User manual

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
Register value in the Scaler
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
PC