LG W1542S free download

File name ServiceManual_W1542S.PDF

Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : MODEL: W1542S CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *To apply the MSTAR Chip. Copyright 2008 LG Electronics. Inc. All right reserved. -1- LGE Internal Use Only Only for training and service purposes CONTENTS SPECIFICATIONS ... 2 PRECAUTIONS ... 3 TIMING CHART ... 7 DISASSEMBLY... 8 BLOCK DIAGRAM...10 DISCRIPTION OF BLOCK DIAGRAM ... 11 ADJUSTMENT ... 13 SERVICE OSD ... ...16 TROUBLESHOOTING GUIDE ... WIRING DIAGRAM ... 17 24 EXPLODED VIEW ... 25 REPLACEMENT PARTS LIST ... 26 SCHEMATIC DIAGRAM ... 27 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT Color LCD Module Active Display Area : 15 inch Pixel Pitch : 0.2595x 0.2595(mm) Color Depth : 16.7M 5. POWER SUPPLY 5-1. Power : 90 ~ 264 Vac / 50 ~ 60 Hz 5-2. Power Consumption Status Power On Power Saving Power Off Hon off on off -- Vsy nc on on off off -- Video active blanked blanked blanked -- Power 22W < 1W < 1W < 1W < 1W LED BLUE Amber Amber Amber Off Size Electrical Interface Surface Treatment Operating Mode Backlight Unit : 332.16 (H) x186.84(V)mm : one channel LVDS : Anti-glare , Hardness (3H) : Normal white : Top/Bottom edge side 2-CCFL 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio Left 45°/Right45°;up 20°/down 40°CR10 2-2. Luminance 200cd/m2 (Min.)/ 6500k;150 cd/m2 (Min.)/9300k 2-3. Contrast Ratio 500:1(typ)/5000:1(DCR) 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal Type: Separate TTL; Sync On Green 3-2. Video Input Signal 1) Type 2) Voltage Level 3) Input Impedance : Analog : 700 mV +/- 5% (P-P) : 75ohm 6. ENVIRONMENT 6-1. Operating Temperature : 0°C to 40°C 6-2. Relative Humidity : 20~80 % 6-3. MTBF : 60,000 HRS with 90% Confidence Lamp Life : 40,000 Hours(Min) 7. DIMENSIONS (with TILT/SWIVEL) Width: 364.8mm Depth: 206mm (W Base), 71.2mm (W/O Base), 58.65mm(W/O STAND&BASE) Height: 315.7mm (W Base), 313.4mm (W/O Base),253mm(W/O STAND&BASE) 8. WEIGHT (with TILT/SWIVEL) Net. Weight Gross Weight : 2.1+/-0.5kg : 2.3+/-0.5kg 3-3. Operating Frequency Horizontal : 30KHz~61KHz Vertical : 56Hz~75Hz 4. Max. Resolution: 1280*720@75Hz Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes -2- LGE Internal Use Only PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. · There are some special components use