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COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-32 MODEL: *( L1520B(L1520BL-AL**R) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *To apply the Mstar Chip. CONTENTS SPECIFICATIONS ... 2 PRECAUTIONS ... 3 TIMING CHART ... 4 OPERATING INSTRUCTIONS ... 5 WIRING DIAGRAM ... 6 BLOCK DIAGRAM ... 7 DESCRIPTION OF BLOCK DIAGRAM ... 8 ADJUSTMENT ... 9 TROUBLESHOOTING GUIDE ... 10 PRINTED CIRCUIT BOARD... 14 EXPLODED VIEW...16 REPLACEMENT PARTS LIST ...18 PIN CONFIGURATION...20 SCHEMATIC DIAGRAM ... 21 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT XGA LCD Module Size : 352.0(H) x 263.5(V) x 14.0(T) Pixel Pitch : 0.297mm x 0.297mm Color Depth : 6bits(with FRC)/ 16M colors Active Video Area : 15.0inch (304.128 x 228.096) Surface Treatment : Anti-Glare, Hard Coating (3H) Backlight Unit : Top/Bottom edge side 2CCFL Electrical Interface : LVDS interface 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio 10 Left : 55° min. Right : 55° min. Top : 40° min. Bottom : 40° min. 2-2. Luminance : 200(min.), 250(typ.) at Center point 2-3. Contrast Ratio :250(min.), 350(typ.) 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal 1) Type : Separate Sync. (Horizontal & Vertical) 2) Input Voltage Level : Low=0~0.8V, High=2.1~5.5V 3) Sync Polarity : Positive or Negative 3-2. Video Input Signal 1) Type 2) Voltage Level a) Color 0, 0 b) Color 7, 0 c) Color 15, 0 3) Input Impedance 3-3. Operating Frequency Horizontal Vertical : R, G, B Analog : 0~0.7 V : 0 Vp-p : 0.35 Vp-p : 0.7 Vp-p : 75 4. POWER SUPPLY 4-1. Power 100-240V~, 50/60Hz 0.6A 4-2. Power Consumption MODE POWER ON (NORMAL) STAND-BY SUSPEND DPM OFF H/V SYNC VIDEO POWER CONSUMPTION LED COLOR ON/ON OFF/ON ON/OFF ACTIVE OFF OFF - less than 25 W less than 3 W less than 3 W less than 3 W BLUE AMBER AMBER AMBER 5. ENVIRONMENT 5-1. Operating Temperature: 10°C~35°C (50°F~95°F) (Ambient) 5-2. Relative Humidity : 10%~80% (Non-condensing) 5-3. MTBF : 50,000 Hours (Min.) Lamp Life : 40,000 Hours (Min.) 6. DIMENSIONS (with TILT/SWIVEL) FullUp Position Width Depth Height Folded Position Width Depth Height : 363.8mm (14.32'') : 113.7mm (8.66'') : 358mm (14.09'') : 363.8mm (14.32'') : 220mm (8.66'') : 330.7mm (13.02'') : 30 ~ 63kHz : 56 ~ 75Hz 7. WEIGHT (with TILT/SWIVEL) Net. Weight Gross Weight : 3.2kg (7.05 lbs) : 5.5kg (12.13 lbs) -2- PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. · There