LG L1915S Service Guide - Page 4

CONTENTS SPECIFICATIONS 2 PRECAUTIONS 3 TIMING CHART 4 OPERATING INSTRUCTIONS 5 WIRING DIAGRAM 6 BLOCK DIAGRAM 7 DESCRIPTION OF BLOCK DIAGRAM 8 ADJUSTMENT 10 TROUBLESHOOTING GUIDE 12 EXPLODED VIEW 16 REPLACEMENT PARTS LIST 18 SCHEMATIC DIAGRAM 20 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TPT Color LCD Module Size : 19inch(48cm )diagonal Pixel Pitch : 0.294(H) x 0.294(V) Color Depth : 16,2M colors Electrical Interface : LVDS Surface Treatment : Anti-Glare, Hard Coating(3H) Operating Mode : Normally Black, Transmissive mode Backlight Unit : 4-CCFL (Cold Cathode Fluorescent Lamp) 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio ≥ 10 LPL Module Left : -60° min., -70°(Typ) Right : +60° min., +70°(Typ) Top : +65° min., +75°(Typ) Bottom : -55° min., -65°(Typ) 2-2. Luminance : 200(min), 250(Typ) 2-3. Contrast Ratio : 300(min), 500(Typ) 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal • Type : Separate, Composite, SOG (Sync On Green) 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 : R, G, B Analog : 0~0.7 V : 0 Vp-p : 0.35 Vp-p : 0.7 Vp-p : 75 Ω 5. POWER SUPPLY 5-1. Power Adaptor(Built-in Power) Input : AC 100-240V~, 50/60Hz , 1.0A 5-2. Power Consumption MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR POWER ON (NORMAL) ON/ON ACTIVE less than 45 W GREEN STAND-BY SUSPEND OFF/ON OFF ON/OFF OFF less than 1 W less than 1 W AMBER AMBER DPMS OFF POWER S/W OFF OFF/OFF OFF - OFF less than 1 W less than 1 W AMBER OFF 6. ENVIRONMENT 6-1. Operating Temperature: 10°C~35°C (50°F~95°F) (Ambient) 6-2. Relative Humidity : 10%~80% (Non-condensing) 6-3. MTBF : 50,000 Hours Lamp Life : 40,000 Hours(Typ) 7. DIMENSIONS (with TILT/SWIVEL) Width Depth Height : 418 mm (16.45'') : 219 mm (8.62'') : 421mm (16.57'') 8. WEIGHT (with TILT/SWIVEL) Net. Weight Gross Weight : 5.7kg (12.56 lbs) : 8.1kg (17.86 lbs) 3-3. Operating Frequency Horizontal(Analog) Vertical : 30 ~ 83kHz : 56 ~ 75Hz 4. MAX. RESOLUTION MAX Recommend : 1280 x 1024@75Hz : 1280 x 1024@60Hz - 2 -