Table Of Contents - LG FLATRON E2050S Service Manual

SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 8
DISASSEMBLY ........................................................ 9
BLOCK DIAGRAM ................................................. 10
DESCRIPTION OF BLOCK DIAGRAM...................11
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 20.0 inch diagonal
Pixel Pitch : 0.2766(H) x 0.2766 (V)mm
Size : 462.8(H) x 272.0(V) x 11.5(D)mm
Color Depth : 16.7M colors
Electrical Interface : LVDS
Surface Treatment : AG(Haze 25%), Hard Coating(3H)
Operating Mode : Normally White
Backlight Unit: W-LED
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥5
Left : +75° min., +88°(Typ) Right
Top : +70° min., +85°(Typ) Bottom : -70° min., -85°(Typ)
2-2. Luminance : 180(Typ) (Typ. 30)-sRGB
: 200(min), 250(Typ)-6500K
: 150(min)-9300K
2-3. Contrast Ratio : 700(min), 1000(Typ)
DFC -> 5000000 : 1 (Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync
3-2. Video Input Signal
1) Type
2) Voltage Level
3) Input Impedance
3-3. Operating Frequency
Horizontal
Vertical
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CONTENTS
SPECIFICATIONS
: -75° min., -88°(Typ)
: R, G, B Analog
: 0~0.7 V
: 75 Ω
: 30 ~ 83kHz
: 56 ~ 75Hz
ADJUSTMENT ...................................................... 13
TROUBLESHOOTING GUIDE .............................. 15
EXPLODED VIEW...................................................19
SCHEMATIC DIAGRAM ..........................................20
4. MAX. RESOLUTION
Analog
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
POWER ON (NORMAL) ON/ON
STAND BY OFF/ON
SUSPEND ON/OFF
DPMS OFF
OFF/OFF
POWER S/W OFF -
6. ENVIRONMENT
6-1. Operating Temperature : 10°C~35°C (50°F~95°F)
6-2. Relative Humidity
6-3. MTBF
Lamp Life
7. DIMENSIONS (with TILT/SWIVEL)
Width
Depth
Height
8. WEIGHT (with TILT/SWIVEL)
Net. Weight
Gross Weight
- 2 -
: 1600 x 900@60Hz
POWER CONSUMPTION LED COLOR
VIDEO
less than 23 W(max)
ACTIVE
less than 21 W(typ)
OFF less than 1 W
OFF less than 1 W
less than 1 W
OFF
- less than 0.5 W
: 10%~80% (Non-condensing)
: 50,000 HRS with 90%
Confidence level
: 30,000 Hours (Min)
49.28 cm (19.40 inches)
19.80 cm (7.80 inches)
38.96 cm (15.34 inches)
2.6kg (5.73 lbs)
4.2kg (9.26 lbs)
LGE Internal Use Only
PURPLE
PURPLE BLINKING
PURPLE BLINKING
PURPLE BLINKING
OFF