LG FLATRON L1780Q User Manual

- 2 -
CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLLY ..................................................... 8
BLOCK DIAGRAM ................................................. 11
DESCRIPTION OF BLOCK DIAGRAM...................12
ADJUSTMENT ...................................................... 14
TROUBLESHOOTING GUIDE .............................. 16
WIRING DIAGRAM ................................................19
EXPLODED VIEW...................................................20
REPLACEMENT PARTS LIST ...............................22
SCHEMATIC DIAGRAM......................................... 25
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 17inch diagonal-L1780Q
: 19inch diagonal-L1980Q
Size :
358.5(H) x 296.5(V) x 17.0(D)-L1780Q
: 396.0(H) x 324.0(V) x 15.5(D)-L1980Q
Pixel Pitch : 0.264(H) x 0.264(V)-L1780Q
: 0.0984(H) x 0.294(V)-L1980Q
Color Depth : 16.2M colors
Electrical Interface : LVDS
Surface Treatment : Anti-Glare, Hard Coating(3H)
Operating Mode : Normally White, Transmissive mode
Backlight Unit : 4-CCFL (Cold Cathode
Fluorescent Lamp)
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥ 10
L1780Q
Left : 60°(Min.), 70°(Typ) Right : 60°(Min.), 70°(Typ)
Top : 45°(Min.), 60°(Typ) Bottom : 50°(Min.), 60°(Typ)
L1980Q
Left : 60°(Min.), 70°(Typ) Right : 60°(Min.), 70°(Typ)
Top : 65°(Min.), 75°(Typ) Bottom : 55°(Min.), 65°(Typ)
2-2. Luminance : 250(min), 300(Typ) -L1780Q
: 200(min), 250(Typ) -L1980Q
2-3. Contrast Ratio : 300(min), 450(Typ) -L1780Q
: 300(min), 500(Typ) -L1980Q
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type :
Separate Sync, Digital, SOG (Sync On Green)
3-2. Video Input Signal
1) Type : R, G, B Analog
2) Voltage Level : 0 ~ 0.7 V
a) Color 0, 0 : 0 Vp-p
b) Color 7, 0 : 0.35 Vp-p
c) Color 15, 0 : 0.7 Vp-p
3) Input Impedance : 75 Ω
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
DVI Digital/Analog : 1280 x 1024@60Hz
5. POWER SUPPLY
5-1. Power Adaptor(Built-in Power)
Input : AC 100~240V, 50/60Hz , 1.0A
Adapter output : DC 12V-3.5A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature : 10°C ~ 35°C
6-2. Relative Humidity : 10% ~ 80%
6-3. MTBF :
50,000 HRS with 90% Confidence level
Lamp Life : 50,000 Hours(Min)
7. DIMENSIONS (with TILT/SWIVEL)
L1780Q
Width : 373.7 mm (14.71'')
Depth : 240 mm (9.45'')
Height : 377.6 mm (14.87'')
L1980Q
Width : 422.3 mm (16.63'')
Depth : 261 mm (10.28'')
Height : 410.1 mm (16.15'')
8. WEIGHT (with TILT/SWIVEL)
L1780Q
Net. Weight : 4.3kg (9.48 lbs)
Gross Weight : 6.8kg (14.99 lbs)
L1980Q
Net. Weight : 5.66kg (12.48 lbs)
Gross Weight : 8.5kg (18.74 lbs)
SPECIFICATIONS
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPM OFF
H/V
SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
POWER CONSUMPTION
less than 43 W-L1780Q
less than 45 W-L1980Q
less than 2 W
less than 2 W
less than 2 W
LED COLOR
GREEN
AMBER
AMBER
AMBER
VIDEO
ACTIVE
OFF
OFF
OFF

LG FLATRON L1780Q Specifications

General

Brand	LG
Model	FLATRON L1780Q
Category	Monitor
Language	English