LG Flatron L1900J - SPECIFICATIONS; 1. LCD CHARACTERISTICS; 2. OPTICAL CHARACTERISTICS; 3. SIGNAL

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CONTENTS
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 19 inch
Pixel Pitch : 0.294 (H) x 0.294 (V)
Color Depth : 16.7M colors
Size : 396 (H) x 324 (V) x 12(D)
Electrical Interface : LVDS
Surface Treatment : Hard-coating(3H), Anti-Glare
Operating Mode :
Normally White, Transmissive mode
Backlight Unit : 4-CCFL
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥ 10
Left : -70° min., -80°(Typ) Right : +70° min., +80°(Typ)
Top :+60° min., +75°(Typ) Bottom : -70° min., -85°(Typ)
2-2. Luminance : 250(min)-6500K
2-3. Contrast Ratio : 450(min), 700(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync, Digital, SOG
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 : 0.467Vp-p
c) Color 15, 0 : 0.714Vp-p
3) Input Impedance : 75Ω
3-3. Operating Frequency
Horizontal(Analog) : 30 ~ 83kHz
Horizontal(Digital) : 30 ~ 71kHz
Vertical : 56 ~ 75Hz
4. Max. Resolution
D-sub Analog : 1280 x 1024@75Hz
Digital : 1280 x 1024@60Hz
5. POWER SUPPLY
5-1. Power : AC 100~240V, 50/60Hz , 0.6A
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
Lamp Life : 50,000 Hours(Min)
7. DIMENSIONS (with TILT/SWIVEL)
Width : 416.5 mm (16.40'')
Depth : 148.4 mm (5.84'')
Height : 432 mm (17.01'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 5.8 kg (12.79 lbs)
Gross Weight : 8.1 kg (17.86 lbs)
SPECIFICATIONS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ........................................................ 8
BLOCK DIAGRAM...................................................10
DISCRIPTION OF BLOCK DIAGRAM ................... 11
ADJUSTMENT ...................................................... 13
SERVICE OSD........................................................14
TROUBLESHOOTING GUIDE .............................. 15
WIRING DIAGRAM ............................................... 19
EXPLODED VIEW...................................................20
REPLACEMENT PARTS LIST ...............................22
SCHEMATIC DIAGRAM......................................... 24
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPMS OFF
POWER S/W Off
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
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POWER CONSUMPTION
less than 39 W
less than 2 W
less than 2 W
less than 2 W
less than 1 W
LED COLOR
RED
FROM DARK
TO BRIGHT
MODE IS
REPEATED
VIDEO
ACTIVE
OFF
OFF
OFF
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