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L1800PM Dataheets PDF



Part Number L1800PM
Manufacturers LG
Logo LG
Description COLOR MONITOR SERVICE MANUAL
Datasheet L1800PM DatasheetL1800PM Datasheet (PDF)

Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-29 FACTORY MODEL: LB886F MODEL: L1800PM (LB886F-SL) *( ) ID LABEL MODEL No. CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. SOURCE MENU AUTO/SET VOLUME CONTENTS SPECIFICATIONS . 2 PRECAUTIONS 3 TIMING CHART .....

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Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-29 FACTORY MODEL: LB886F MODEL: L1800PM (LB886F-SL) *( ) ID LABEL MODEL No. CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. SOURCE MENU AUTO/SET VOLUME CONTENTS SPECIFICATIONS ................................................... 2 PRECAUTIONS ....................................................... 3 TIMING CHART ....................................................... 4 OPERATING INSTRUCTIONS ................................ 5 WIRING DIAGRAM ................................................. 9 BLOCK DIAGRAM ................................................. 10 DESCRIPTION OF BLOCK DIAGRAM...................11 ADJUSTMENT ...................................................... 13 TROUBLESHOOTING GUIDE .............................. 14 PRINTED CIRCUIT BOARD................................... 21 EXPLODED VIEW...................................................26 REPLACEMENT PARTS LIST ...............................28 PIN CONFIGURATION............................................34 SCHEMATIC DIAGRAM ......................................... 37 SPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT SXGA LCD Size : 18inch Pixel Pitch : 0.28(H) x 0.28(V) Color Depth : 8-bit, 16,777,216 colors Electrical Interface : LVDS Surface Treatment : Anti-Glare, Hard Coating (3H) Operating Mode : Normally Black Backlight Unit : Six-CCFL (Cold Cathode Fluorescent Lamp) 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio ≥ 10 Left : -60° min., -80°(Typ) Right : +60° min., +80°(Typ) Top : +60° min., +80°(Typ) Bottom : -60° min., -80°(Typ) 2-2. Luminance : 200(min) 2-3. Contrast Ratio : 200(min) 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal • Type : Separate TTL(Positive/Negative) Composite TTL(Positive/Negative) SOG (Sync On Green) Digital 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 : R, G, B Analog : 0~0.71 V : 0 Vp-p : 0.467 Vp-p : 0.714 Vp-p : 75 Ω 3-3. Operating Frequency Horizontal Vertical : 30 ~ 80kHz : 56 ~ 85Hz 4. POWER SUPPLY 4-1. Power Input : AC 100~240V, 50/60Hz , 1.0A 4-2. Power Consumption MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR POWER ON (NORMAL) ON/ON ACTIVE less than 60 W GREEN STAND-BY OFF/ON OFF less than 3 W AMBER SUSPEND ON/OFF OFF less than 3 W AMBER OFF OFF/OFF OFF less than 3 W AMBER POWER OFF - - less than 3 W OFF 5. ENVIRONMENT 5-1. Operating Temperature: 10°C~35°C (50°F~95°F) (Ambient) 5-2. Relative Humidity : 10%~80% (Non-condensing) 5-3. MTBF : 50,000 Hours(Min), Except Lamp 6. DIMENSIONS (with TILT/SWIVEL) Width Depth Height : 397 mm (15.62'') : 237 mm (9.33'') : 428 mm (16.85'') -Min 508 mm (19.99'') -Max 7. WEIGHT (with SPEAKER) Net. Weight Gross Weight : 8.8kg (19.40 lbs) : 11.3kg (24.91 lbs) 8. USB Upstream : 1 port, Downstream : 2 port Speed : Full-12Mbps, Low-1.5Mbps 9. SPEAKER .RMS Audio Output: 2W(R+L) .Input Sensivity: 0.7Vrms .Speaker Inpedance: 4 -2- PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. • There are some special components used in LCD monitor that are important for safety. These parts are marked on the schematic diagram and the replacement parts list. It is essential that these critical parts should be replaced with the manufacturer’s specified parts to prevent electric shock, fire or other hazard. • Do not modify original design without obtaining written permission from manufacturer or you will void the original parts and labor guarantee. WARNING BE CAREFUL ELECTRIC SHOCK ! • If you want to replace with the new backlight (CCFL) or inverter circuit, must disconnect the AC adapter because high voltage appears at inverter circuit about 650Vrms. • Handle with care wires or connectors of the inverter circuit. If the wires are pressed cause short and may burn or take fire. TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT. • Must mount the module using mounting holes arranged in four corners. • Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen. • Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to the panel. • Protect the module from the ESD as it may damage the electronic circuit (C-MOS). • Make certain that treatment person’s body are grounded through wrist band. • Do not leave the module in high temperature and in areas of high humidity for a long time. • The module not be exposed to the direct sunlight. • Avoid contact with water as it may a short circuit within the module. • If the surface of panel become dirty, please wipe it off with a softmaterial. (Cleaning with a dirty or rough cloth may damage the panel.) CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation..


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