LG L1900 free download

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Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : LM62A MODEL: ( L1900R (L1900R-BFQ.A**TNP) ) **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 ... 7 DISASSEMBLY ... 8 BLOCK DIAGRAM...10 DISCRIPTION OF BLOCK DIAGRAM ... 11 ADJUSTMENT ... 13 SERVICE OSD ...14 TROUBLESHOOTING GUIDE ... 15 WIRING DIAGRAM ... 19 EXPLODED VIEW...20 REPLACEMENT PARTS LIST ...22 SCHEMATIC DIAGRAM ... 24 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT Color LCD Module Active Display Area : 19 inch Pixel Pitch : 0.294 (H) x 0.294 (V) Color Depth : 16.7M colors Size : 396 (H) x 324 (V) x 12(D) 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 : -70° min., -80°(Typ) Right : +70° min., +80°(Typ) Top :+60° min., +75°(Typ) Bottom : -70° min., -85°(Typ) 2-2. Luminance 2-3. Contrast Ratio : 250(min)-6500K : 450(min), 700(Typ) 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 HRS with 90% Confidence Lamp Life : 50,000 Hours(Min) 7. DIMENSIONS (with TILT/SWIVEL) Width : 416.5 mm (16.40'') Depth : 113.4 mm (4.46'') Height : 432 mm (17.01'') 8. WEIGHT (with TILT/SWIVEL) Net. Weight : 6.8 kg (14.99 lbs) Gross Weight : 9.2 kg (20.29 lbs) 4. Max. Resolution D-sub Analog Digital : 1280 x 1024@75Hz : 1280 x 1024@60Hz 5. POWER SUPPLY 5-1. Power : AC 100~240V, 50/60Hz , 0.6A 5-2. Power Consumption MODE POWER ON (NORMAL) STAND-BY SUSPEND DPMS OFF POWER S/W Off H/V SYNC VIDEO POWER CONSUMPTION LED COLOR ON/ON ACTIVE OFF/ON ON/OFF less than 39 W less than 2 W less than 2 W less than 2 W less than 1 W RED FROM DARK TO BRIGHT MODE IS REPEATED OFF OFF OFF/OFF OFF - - 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal · Type : Separate Sync, Digital, SOG 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(Analog) Horizontal(Digital) Vertical : R, G, B Analog : 0~0.71 V : 0 Vp-p : 0.467Vp-p : 0.714Vp-p : 75 : 30 ~ 83kHz : 30 ~ 71kHz : 56 ~ 75Hz -2- PRECAUTION W