LG LG M17/1921A-BZ free download

File name LG 1921A-BZF Ch.CL81--LCDmon.pdf

Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-81 MODEL: *( M1721A (M1721A-BZF.A**WLF) M1921A (M1921A-BZF.A**RLF) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CONTENTS SPECIFICATIONS ... 2 PRECAUTIONS ... 3 SERVICE PRECAUTIONS ... 4 TIMING CHART ... 7 DISASSEMBLY ... 8 BLOCK DIAGRAM ... 9 DESCRIPTION OF BLOCK DIAGRAM ... 11 ADJUSTMENT ... 12 TROUBLESHOOTING GUIDE ... 15 WIRING DIAGRAM ... 19 EXPLODED VIEW...20 REPLACEMENT PARTS LIST ...22 SCHEMATIC DIAGRAM ... 28 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT Color LCD Module Active Video Area : 17.0 inch-M1721A : 19.0 inch-M1921A Size : 358.5(V) x 296.5(H) x 17(D)-M1721A : 396.0(V) x 324.0(H) x 17.5(D)-M1921A Pixel Pitch : 0.264mm x 0.264mm-M1721A : 0.294mm x 0.294mm-M1921A Color Depth : 6Bits with FRC, 16,777,216 colors Surface Treatment : Non-Glare-M1721A : Anti Glare, Hard Coating(3H)-M1921A Operating Mode : Normally white Backlight Unit : 4CCFL Electrical Interface : LVDS 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 2-3 Contrast Ratio : 180(min.), 250(typ.) : 500:1(min.), 800:1(max.)-M1721A : 450:1(min.), 700:1(max.)-M1921A 5. POWER SUPPLY 5-1. Power AC 100-240Vac, 50/60Hz 5-2. Power Consumption MODE POWER ON (NORMAL) H/V SYNC VIDEO POWER CONSUMPTION LED COLOR ON/ON ACTIVE less than 40 W-M1721A less than 45 W-M1921A OFF/ON SLEEP MODE ON/OFF OFF/OFF POWER S/W OFF OFF less than 1 W OFF OFF less than 1 W RED GREEN 6. ENVIRONMENT 5-1. Operating Temperature : 10°C ~ 35°C 5-2. Operating Humidity : 20% ~ 80% 5-3. MTBF : 50,000 Hours (Min) 7. DIMENSIONS (with TILT/SWIVEL) M1721A Width : 394.4 mm (15.53'') Depth : 243 mm (9.57'') Height : 404 mm (15.91'') M1921A Width Depth Height 3. SIGNAL (Refer to the Timing Chart) 3-1. Analog Video Input 1) Video Input Range : 0~0.7V ± 5% 2) Video Termination Impedance : 75 ± 5% 3) Sync Type : Separate Sync. 4) Sync Level : TTL Low 0.8V, High 2.0V 3-2. Operating Frequency Horizontal : 30 ~ 70kHz Vertical : 56 ~ 75Hz 4. RESOLUTION Analog Max : 1280 x 1024@60Hz : 445 mm (17.52'') : 243 mm (9.57'') : 457 mm (17.99'') 8. WEIGHT (with TILT/SWIVEL) M1721A Net. Weight : 4.5 kg (9.92 lbs) Gross Weight : 6.2 kg (14.33 lbs) M1921A Net. Weight Gros