File name MFL42851401-W2284F_ENG.pdfInternal Use Only Website:http://biz.LGservice.com
COLOR MONITOR SERVICE MANUAL
CHASSIS NO. : LM 84D
MODEL:
W2284F(W2284F-PFT.K***A**)
(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CONTENTS
SPECIFICATIONS ... 2 PRECAUTIONS ... 4 TIMING CHART ... 8 DISASSEMBLY ... 9 BLOCK DIAGRAM ... 10 DESCRIPTION OF BLOCK DIAGRAM...11 ADJUSTMENT ... 13 TROUBLESHOOTING GUIDE ... 15 EXPLODED VIEW...19 REPLACEMENT PARTS LIST ...21 SCHEMATIC DIAGRAM ... 23
SPECIFICATIONS
1. LCD CHARACTERISTICS Type : TFT Color LCD Module Active Display Area : 22 inch diagonal Pixel Pitch : 0.282(H) x 0.282 (V) Size : 493.7(H) x 320.1(V) x 16.5(D) Color Depth : 16.7M colors Electrical Interface : LVDS Surface Treatment : AG(Haze 25%), Hard Coating(3H) Operating Mode : Normally White Backlight Unit : 4 CCFL 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio 5 Left : +75° min., +88°(Typ) Right : -75° min., -88°(Typ) Top : +70° min., +85°(Typ) Bottom : -70° min., -85°(Typ) 2-2. Luminance : 180(Typ) (Typ. 30)-sRGB : 220(min), 300(Typ)-6500K : 150(min)-9300K : 700(min), 1000(Typ) DFC -> 20000 : 1 (Typ) 4. MAX. RESOLUTION Analog Digital : 1680 x 1050@60Hz : 1680 x 1050@60Hz
5. POWER SUPPLY 5-1. Power Adaptor(Built-in Power) Input : AC 100-240V~, 50/60Hz, 1.0A 5-2. Power Consumption
MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR less than 50 W(max) less than 45 W(typ) less than 1 W less than 1 W less than 1 W less than 1 W BLUE White and Bule LED blinking OFF
POWER ON (NORMAL) ON/ON ACTIVE STAND BY SUSPEND DPMS OFF POWER S/W OFF OFF/ON OFF ON/OFF OFF OFF/OFF OFF -
2-3. Contrast Ratio
6. ENVIRONMENT 6-1. Operating Temperature : 10°C~35°C (50°F~95°F) 6-2. Relative Humidity : 10%~80% (Non-condensing) 6-3. MTBF : 50,000 HRS with 90% Confidence level Lamp Life : 50,000 Hours (Min) 7. DIMENSIONS (with TILT/SWIVEL) Width Depth Height : 519 mm (20.43'') : 220 mm (8.66'') : 427 mm (16.81'')
3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal · Type : Separate Sync, SOG, Digital 3-2. Video Input Signal 1) Type 2) Voltage Level 3) Input Impedance 3-3. Operating Frequency Horizontal Vertical
: R, G, B Analog : 0~0.7 V : 75 : 30 ~ 83kHz : 56 ~ 75Hz
8. WEIGHT (with TILT/SWIVEL) Net. Weight Gross Weight : 4.4 kg (9.7 lbs) : 6.04 kg (13.32 lbs)
Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
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LGE Internal Use Only
Signal Connector Pin Assignment
· DVI-D Connector (Digital) Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 |