1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the (READING SHOULD circuit board. NOT BE ABOVE 0.5mA) Disconnect the AC power and DC Power Jack before servicing.
1 Precautions 1-2 Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.
2 Reference Information 2-1 List of Abbreviations, Symbols and Acronyms 2-1-1 Abbreviations Abbreviation Definition Abbreviation Definition AUTO_MENB AUTO ENABLE (NEG.) OSCOUT1 24MHz CLOCK AUTO_SOG SINK ON GREEN ENABLE PANEL_EN +12V_PANEL/+5V_PANEL ENABLE BL_EN LCD PANEL BACK LIGHT ENABLE PC_BLUE_IN BLUE COLOR SIGNAL FROM PC BRIGHT BRIGHTNESS CONTROL PC_GREEN_IN...
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2 Reference Information 2-1-2 Symbols Hot Ground Cold Ground Provides special safety considerations 2-1-2 Acronyms Acronym Definition Acronym Definition Automatic Brightness Limits Horizontal/Vertical High Voltage Alternating Current Automatic Contrast Limit Input/Output Automatic Frequency Control Integrated Circuit ANSI American National Standards Institute Light Emitting Diode CMOS Complementary Metal Oxide...
3 Product Specifications 3-2 Pin Assignments Sync 15-Pin Signal Cable Connector Type Separate Composite Sync-on-green Pin No. Green Green Green + H/V Sync Blue Blue Blue GND (DDC Return) GND (DDC Return) GND (DDC Return) GND-R GND-R GND-R GND-G GND-G GND-G GND-B GND-B...
3 Product Specifications 3-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 3-1. Timing Chart Mode VESA VGA1/70 Hz VGA2/70 Hz VGA3/60 Hz 640/72 Hz 640/75 Hz 800/56 Hz 800/60 Hz...
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3 Product Specifications Table 3-1. Timing Chart Continued Mode VESA MAC. 800/72 Hz 800/75 Hz 1024/60 Hz 1024/70 Hz 1024/75 Hz 640/67 Hz 832/75 Hz 800 x 600 800 x 600 1024 x 768 1024 x 768 1024 x 768 60 x 480 832 x 624 Timing...
4 Operating Instructions 4-1 Control and Connectors 4-1-1 SyncMaster 331TFT/531TFT SAMSUNG EXIT MENU Power Port DC 12V Signal Cable Figure 4-2. Rear View EXIT MENU Table 4-1. Front Panel Controls Location Symbol Description Power Button Power Indicator Figure 4-1. Front View and Control...
4 Operating Instructions 4-1-2 SyncMaster 330TFT/530TFT SAMSUNG EXIT MENU Audio in port AUDIO AUDIO Headphone jack External microphone jack Microphone out port Power port Figure 4-4. Rear View SAMSUNG EXIT MENU Table 4-2. Front Panel Controls Location Symbol Description ON/OFF...
4 Operating Instructions 4-2 Microprocessor Controls and Functions This monitor has no Òservice onlyÓ micom 4-2-1 OSD Window controls. Should there be a problem with the The adjustable features described below all use microprocessor, replace the entire circuit board. the on-screen menu system. There are, however, user accessible adjustment features that are described below.
Table 4-4. Display Power Management Signaling (DPMS); 13.3” purchase an optional DPMS software program to enable the power saving Power saving function EPA/NUTEK State Normal function. Please contact Samsung or your Operation Stand-By Suspend Mode Power Off Mode dealer for more information.
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12 Schematic Diagrams 12-4 Sub Part Schematic Diagram Table 12-10. IC803 MODES 1024 x 768 / 85 Hz Signal (+2.5 V Bias) Signal (+2.5 V Bias) Input Signal (+2.5 V Bias) Input Signal (+2.5 V Bias) Signal (+2.5 V Bias) Signal (+2.5 V Bias) 2.5 V (Headphone : 5 V) Unit: Vrms...