1. LCD CHARACTERISTICS
Type
: TFT Color LCD Module
Active Display Area : 17 inch - L1740B
: 19 inch - L1940B
Pixel Pitch
: 0.264 (H) x 0.264 (V) - L1740B
Pixel Pitch
: 0.294 (H) x 0.294 (V) - L1940B
Size
: 358.5 (H) x 296.5 (V) x 17.0 (D) - L1740B
: 404.2 (H) x 330.0 (V) x 20.0 (D) - L1940B
Color Depth
: 8bit, 16.2M colors - L1740B
: 16.7M colors - L1940B
Electrical Interface
: LVDS
Surface Treatment : Hard-coating(3H), Anti-Glare
Operating Mode
: Normally White, Transmissive
mode
Backlight Unit
: Top/Bottom edge side 4-CCFL
(Cold Cathode Fluorescent
Lamp)
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
≥
10
L1740B
Left : -60° min., -70°(Typ) Right : +60° min., +70°(Typ)
Top :+45° min., +60°(Typ) Bottom : -50°min., -60°(Typ)
L1940B
Left : -85° min., -88°(Typ) Right : +85° min., +88°(Typ)
Top : +85° min., +88°(Typ) Bottom : -85° min., -88°(Typ)
2-2. Luminance
: 200(min), 250(Typ)
2-3. Contrast Ratio
: 300(min), 450(Typ) - L1740B
: 350(min), 500(Typ) - L1940B
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type
: Separate Sync,
SOG (Sync On Green)
Composite Sync
3-2. Video Input Signal
1) Type
: R, G, B Analog
2) Voltage Level
: 0~0.71 V
a) Color 0, 0
: 0 Vp-p
b) Color 7, 0
: 0.467 Vp-p
c) Color 15, 0
: 0.714 Vp-p
3) Input Impedance : 75
Ω
3-3. Operating Frequency
Horizontal
: 30 ~ 83kHz
Vertical
: 56 ~ 75Hz
4. Max. Resolution
Analog
: 1280 x 1024 / 75Hz
5. POWER SUPPLY
5-1. Power : AC 100-240V~, 50/60Hz , 1.0A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature: 10°C~35°C(50°F~95°F)
(Ambient)
6-2. Relative Humidity : 10%~80% (Non-condensing)
6-3.MTBF
: 50,000 HRS with 90% Confidence level
Lamp Life
: 50,000 Hours (Min) - L1740B
: 40,000 Hours (Min) - L1940B
7. DIMENSIONS (with TILT/SWIVEL)
L1740B
Width
: 394 mm (15.51'')
Depth
: 221.8 mm (8.73'')
Height
: 396 mm (15.59'')
L1940B
Width
: 442.6 mm (17.43'')
Depth
: 240 mm (9.45'')
Height
: 434.9 mm (17.12'')
8. WEIGHT (with TILT/SWIVEL)
L1740B
Net. Weight
: 5.3 kg (11.69 lbs)
Gross Weight
: 7.4 kg (16.32 lbs)
L1940B
Net. Weight
: 6.8 kg (14.99 lbs)
Gross Weight
: 9.3 kg (20.51 lbs)
CONTENTS
SPECIFICATIONS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM...................10
ADJUSTMENT ...................................................... 14
SERVICE OSD ...................................................... 15
TROUBLESHOOTING GUIDE .............................. 16
WIRING DIAGRAM ............................................... 20
EXPLODED VIEW...................................................21
REPLACEMENT PARTS LIST ...............................23
SCHEMATIC DIAGRAM ......................................... 25
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPMS OFF
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
POWER CONSUMPTION
less than 43 W-L1740B
less than 45 W-L1940B
less than 1 W
less than 1 W
less than 1 W
LED COLOR
BLUE
AMBER
AMBER
AMBER
VIDEO
ACTIVE
OFF
OFF
OFF
