LG L1752S / L1952S 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. : LM57A MODEL: L1752S (L1752S-SFQ.A**XQP,A**DQP) L1752S (L1752S-WFQ.A**DQP) L1952S (L1952S-SFQ.A**XQP,A**RQP) ( ) **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...12 DISCRIPTION OF BLOCK DIAGRAM ... 14 ADJUSTMENT ... 16 SERVICE OSD ...17 TROUBLESHOOTING GUIDE ... 18 WIRING DIAGRAM ... 24 EXPLODED VIEW...25 REPLACEMENT PARTS LIST ...27 SCHEMATIC DIAGRAM ... 32 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT Color LCD Module Active Display Area : 17 inch - L1752S : 19 inch - L1952S Pixel Pitch : 0.264 (H) x 0.264 (V) - L1752S : 0.294 (H) x 0.294 (V) - L1952S Color Depth : 8bits, 16.2M colors Size : 358.5 (H) x 296.5 (V) x 17.0(D) - L1752S : 396 (H) x 324 (V) x 17.5(D) - L1952S 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 :+60° min., +75°(Typ) Bottom : -50° min., -65°(Typ) 2-2. Luminance : 230(min), 300(Typ) (Full White pattern, 0.70V) -6500K : 150(min) (Full White pattern, 0.70V) -9300K 75%(min) : 1400:1 (DFC) 4. Max. Resolution D-sub Analog : 1280 x 1024@75Hz 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 35 W -L1752S less than 39 W -L1952S less than 1 W less than 1 W less than 1 W less than 1 W BLUE or GREEN AMBER AMBER AMBER OFF OFF OFF OFF/OFF OFF - - 2-3. Contrast Ratio 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) L1752S Width : 364.5 mm (14.35'') Depth : 180 mm (7.09'') Height : 378.2 mm (14.89'') L1952S Width Depth Height : 402 mm (15.83'') : 180 mm (7.09'') : 407.5 mm (16.04'') 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal · Type : Separate Sync, SOG 3-2. Video Input Signal 1) Type 2)