LG L1750SQ-SN Service Manual - Page 3

CONTENTS SPECIFICATIONS ...2 PRECAUTIONS ...3 TIMING CHART ...7 DISASSEMBLY ...8 BLOCK DIAGRAM ...9 DESCRIPTION OF BLOCK DIAGRAM...10 ADJUSTMENT ...12 SERVICE OSD ...13 TROUBLESHOOTING GUIDE ...14 WIRING DIAGRAM ...18 EXPLODED VIEW...19 REPLACEMENT PARTS LIST ...21 SCHEMATIC DIAGRAM ...23 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT Color LCD Module Active Display Area : 17 inch Size : 358.5(W) x 296.5(H) x 17.0(D) Pixel Pitch : 0.264 (H) x 0.264 (V) Color Depth : 16.2M colors Electrical Interface : LVDS Surface Treatment : Hard-coating(3H), Anti-Glare Operating Mode : Normally White, Transmissive mode Backlight Unit : 4-CCFL 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio ≥ 10 Left : -60°min., -70°(Typ) Right : +60°min., +70°(Typ) Top :+45°min., +60°(Typ) Bottom : -50°min., -60°(Typ) 2-2. Luminance 2-3. Contrast Ratio : 185(min), 250(Typ) : 300(min), 450(Typ) 6-1. Operating Temperature : 10°C~35°C 6-2. Relative Humidity : 10%~80% 6-3. MTBF : 50,000 HRS with 90% Confidence level Lamp Life : 50,000 Hours(Min) 7. DIMENSIONS (with TILT/SWIVEL) 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 : 0~0.71 V : 0 Vp-p : 0.467 Vp-p : 0.714 Vp-p : 75 Ω Width Depth Height : 368 mm (14.49'') : 230.5 mm (9.07'') : 389.2 mm (15.32'') 4. Max. Resolution D-sub Analog : 1280 x 1024@75Hz 5. POWER SUPPLY 5-1. Power : AC 100~240V, 50/60Hz , 1.0A 5-2. Power Consumption MODE POWER ON (NORMAL) STAND-BY SUSPEND DPMS OFF H/V SYNC VIDEO POWER CONSUMPTION LED COLOR ON/ON ACTIVE OFF/ON OFF ON/OFF OFF OFF/OFF OFF less than 35 W less than 1 W less than 1 W less than 1 W GREEN AMBER AMBER AMBER 6. ENVIRONMENT 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal • Type : Separate Sync, SOG, composite. 8. WEIGHT (with TILT/SWIVEL) Net. Weight Gross Weight : 4.9 kg (10.80 lbs) : 6.5 kg (14.33 lbs) 3-3. Operating Frequency Horizontal : 30 ~ 83kHz Vertical : 56 ~ 75Hz -2- 龙泉现代YDW资料收藏