Samsung LXB340, LXB541, LXB540, LXB341 Reference Information

SyncMaster 320TFT/520TFT 2-1

2 Reference Information

2-1 List of Abbreviations, Symbols and Acronyms

2-1-1 Abbreviations

Abbreviation Definition Abbreviation Definition

AUTO_MENB AUTO ENABLE (NEG.)
AUTO_SOG SINK ON GREEN ENABLE
BL_EN LCD PANEL BACK LIGHT ENABLE
BRIGHT BRIGHTNESS CONTROL
DAB(7:0) BLUE COLOR DATA (ODD) FROM IC305
DAG(7:0) GREEN COLOR DATA (ODD) FROM IC305
DAR(7:0) RED COLOR DATA (ODD) FROM IC305
DBB(7:0) BLUE COLOR DATA (EVEN) FROM IC305
DBG(7:0) GREEN COLOR DATA (EVEN) FROM IC305
DBR(7:0) RED COLOR DATA (EVEN) FROM IC305
DDC_SCL DDC I2C CLOCK FROM PC
DDC_SDA DDC I2C DATA FROM PC
DEN LVDS DATA ENABLE
DFSYNCB CONTROL SIGNAL FROM IC301 TO IC305
DHCLK DOT CLOCK FOR PANEL DRIVING
DHS LVDS HSYNC
DREFCLK1 67MHz OSC CLK FOR IC305
DV_BLU OSD BLUE DATA
DV_FBK OSD ENABLE
DV_GRN OSD GREEN DATA
DV_RED OSD RED DATA
DVACTIV1B HSYNC FOR OSD (NEG.)
DVCLK DOT CLOCK FOR OSD
DVS LVDS VSYNC
DVSYNCB VSYNC FOR OSD (NEG.)
FSD(47:0) VIDEO DATA BETWEEN IC301 AND

IC302,IC303,IC304
HSYNC_PLL HSYNC FOR PLL
INVERT INTERLACE CONTROL SIGNAL
KEY1 FUNCTION KEY SIGNAL1 TO MICOM
KEY2 FUNCTION KEY SIGNAL2 TO MICOM
LED LED ON
LEFT LEFT CHANNEL AUDIO INPUT SIGNAL
LVDS_DATA DATA OUTPUT FROM IC310, IC311
LVDS_EN LVDS ENABLE
M_HSYNC BUFFERED MICOM OUTPUT HSYNC
M_HSYNC1 MICOM OUTPUT HSYNC
M_VSYNC BUFFERED MICOM OUTPUT VSYNC
M_VSYNC1 MICOM OUTPUT VSYNC
OSCOUT BUFFERED 24MHz CLOCK

OSCOUT1 24MHz CLOCK
PANEL_EN +12V_PANEL/+5V_PANEL ENABLE
PC_BLUE_IN BLUE COLOR SIGNAL FROM PC
PC_GREEN_IN GREEN COLOR SIGNAL FROM PC
PC_HSYNC_IN HSYNC FROM PC
PC_RED_IN RED COLOR SIGNAL FROM PC
PC_VSYNC_IN VSYNC FROM PC
PCBLUE(7:0) BLUE COLOR DATA FROM IC101
PCCLAMP BUFFERED VIDEO CLAMP SIGNAL
PCCLAMP1 VIDEO CLAMP SIGNAL
PCCLK PLL CLOCK OUT FOR IC301
PCCLK2 PLL CLOCK OUT FOR IC405
PCCLK3 PLL CLOCK OUT FOR IC110
PCGREEN(7:0) GREEN COLOR DATA FROM ADC(IC101)
PCRED(7:0) RED COLOR DATA FROM IC101
PCVSYNC2 BUFFERED VSYNC
RESETB RESET (NEG.)
RGB_HSYNC HSYNC FOR MICOM(IC401)
RGB_VSYNC VSYNC FOR MICOM(IC401)
RIGHT RIGHT CHANNEL AUDIO INPUT SIGNAL
SCL I2C CLOCK
SCSB IC305 ENABLE
SDA I2C DATA
SOG_CSYNC COMPOSITE SYNC FROM SOG
SOURCE_PC SELF RASTER CHECK SIGNAL
SPI_MISO SERIAL INPUT DATA CONTROL
SPI_MOSI SERIAL OUTPUT DATA CONTROL
SPI_SCK SERIAL CLOCK
SW_REG_ENB POWER ON/OFF CONTROL
VAIL_CSB IC301 ENABLE
VCBLNKB CONTROL SIGNAL FROM IC305 TO IC301
VCC DC 5V FOR MICOM(IC401)
VCLREQB CONTROL SIGNAL FROM IC305 TO IC301
VDD AUDIO DC 5V POWER
VGABLUE(7:0) NC
VGAGREEN(7:0) NC
VGARED(7:0) NC
VGBBLUE(7:0) BLUE COLOR DATA FROM IC301
VGBGREEN(7:0) GREEN COLOR DATA FROM IC301
VGBRED(7:0) RED COLOR DATA FROM IC301

2 Reference Information

2-2 SyncMaster 320TFT/520TFT

Acronym Definition Acronym Definition

ABL Automatic Brightness Limits
AC Alternating Current
ACL Automatic Contrast Limit
AFC Automatic Frequency Control
ANSI American National Standards Institute
CMOS Complementary Metal Oxide

Semiconductor
CRT Cathode Ray Tube
DC Direct Current
DDC Data Display Channel
DF Dynamic Focus
DMM Digital Multimeter
DPMS Display Power Management Signaling
DVM Digital Voltmeter
DY Deflection Yoke
EEPROM Electrically Erasable and

Programmable Read only Memory
ESD Electrostatically Sensitive Device
ESF Electronic Static Field
FBT Flyback Transformer
FET Field Effect Transistor
FH Horizontal Frequency
FS Fail Safe
FV Vertical Frequency
GD Geometric Distortion

H/V Horizontal/Vertical
HV High Voltage
I/O Input/Output
IC Integrated Circuit
LED Light Emitting Diode
MAC Macintosh
MOFA Mask Outside Frame Assembly
OCP Over Current Protection
OP AMP Operational Amplifier
OSD On Screen Display
P-P Peak to Peak
PCB Printed Circuit Board
PLL Phase Locked Loop
PWM Pulse Width Modulation
SMPS Switch Mode Power Supply
SVGA Super Video Graphics Array
TP Test Point
UL Underwriters Laboratories
USB Universal Serial Bus
VESA Video Electronics Standard

Association
VGA Video Graphics Array
VR Variable Registor
W/B White Balance

2-1-2 Acronyms

2-1-2 Symbols

Hot Ground

Cold Ground

Provides special safety considerations

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