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File name:LG TFT-LCD Color Monitor FLATRON W1934S.pdf
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Descr:LG TFT-LCD Color Monitor FLATRON W1934S
Group:Electronics > Automobile > Electrical diagram
Uploaded:27-07-2010
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File name LG TFT-LCD Color Monitor FLATRON W1934S.pdf

Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : MODEL: W1934S (W1934S-SNI/W1934S-BNI.Axx*QP) xx * means sales region and module type (AxxIQP: INL 5ms, AxxQQP: CMO 5ms, AxxYQP: IVO 5ms) CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *To apply the MSTAR Chip. 1 CONTENTS SPECIFICATIONS ... 2 PRECAUTIONS ... 3 TIMING CHART ... 7 DISASSEMBLY... 9 BLOCK DIAGRAM...11 DISCRIPTION OF BLOCK DIAGRAM ... 12 ADJUSTMENT ... 14 SERVICE OSD ... ...16 TROUBLESHOOTING GUIDE ... WIRING DIAGRAM ... 17 24 EXPLODED VIEW ... 25 REPLACEMENT PARTS LIST ... 27 SCHEMATIC DIAGRAM ... 43 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT Color LCD Module Active Display Area : 19 inch Pixel Pitch : 0.285(H) x 0.285(V) Color Depth : 16.7M colors Size Electrical Interface Surface Treatment : 410.4mm (H)*256.5mm (V) : LVDS : Hard-coating (3H), Haze=25% Anti-Glare treatment : Normally White, Transmissive mode : Top/Bottom edge side 4-CCFL (Cold Cathode Fluorescent Lamp) 3-3. Operating Frequency: 40~80 KHz 4. Max. Resolution D-sub Analog: 1440 x 900 @ 75Hz 5. POWER SUPPLY 5-1. Power: AC 90~264V, 47.5~63Hz, <0.8A 5-2. Power Consumption Operating Mode Backlight Unit 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio (a) For InnoLux MT190AW01 V.5 Left 70°/Right 70°; Top 70°/Bottom 70° at Min CR10 (b) For CMO M190A1-L07 panel Left 75°/Right75°; Top 70°/Bottom 70° at Min CR10 (c) For IVO M190MWW1-201 panel H 140(min),160(typ),V 140(min) 160(typ)CR10 2-2. Luminance (a) For InnoLux MT190AW01 V.5 panel: 300cd/m2 (Typ.) 2 2 220cd/m (Min.) (6500k);170 cd/m (Min.)(9300k) (b) For CMO M190A1-L07 panel: 300cd/m2 (Typ.) 2 2 220cd/m (Min.) (6500k);170 cd/m (Min.)(9300k) (b) For IVO M190MWW1-201 panel: 300cd/m2 (Typ.) 220cd/m2 (Min.) (6500k);170 cd/m2 (Min.)(9300k) 2-3. Contrast Ratio (a) For InnoLux MT190AW01 V.5 1000:1 Typical (b) For CMO M190A1-L07 panel: 1000:1 Typical (c) For M190MWW1-201 panel: 800:1 Typical 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal Type : Separate Sync, Composite, and SOG (Sync On Green) 3-2. Video Input Signal 1) Type : R, G, B Analog 2) Voltage Level : 0~0.71 V 3) Input Impedance : 75 6. ENVIRONMENT 6-1. Operating Temperature : 0°C to 40°C 6-2. Relative Humidity : 20% to 90% 6-3. MTBF : 60,000 HRS with 90% Confidence Lamp Life : 60,000 Hours (Min) 7. DIMENSIONS (with TILT/SWIVEL) Width

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