Table Of Contents; Specifications - LG FLATRON E1940T Service Manual

SPECIFICATIONS ..........................................................2
PRECAUTIONS ..............................................................3
TIMING CHART ..............................................................7
DISASSEMBLY ...............................................................8
BLOCK DIAGRAM.........................................................11
DISCRIPTION OF BLOCK DIAGRAM ......................... 13
1. LCD CHARACTERISTICS
Type: matrix-TFT Color LCD Module
Active Display Area: 18.5 inches
Pixel Pitch: 0.300 (H) x 0.300 (V) mm
Color Depth: 16.7M colors
Size: 430.4(W) × 254.6(H) × 9.9(D) (Typ.) (AUO)
430.37(W) × 254.6(H) × 7.85(D) (Typ.) (CMO)
Interface: 1ch-LVDS
Surface Treatment: Anti-Glare, 3H (AUO)
AG type, 3H hard coating, Haze 25 (CMO)
Operating Mode: Normally White, TN mode (AUO)
Normally White (CMO)
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
Left/Right: 150(Min), 170(Typ)
Top/Bottom: 140(Min), 160(Typ)
2-2. Luminance: 200Cd / m
2
150Cd / m -9300K
2-3. Contrast Ratio:
600(min), 1000(Typ) (AUO)
700(min), 1000(Typ) (CMO)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
Type: Separate Sync,
3-2. Video Input Signal
1) Type: R, G, B Analog, Digital
2) Voltage Level: 0.7 Vp-p
3) Input impedance: 75 Ω
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes

SPECIFICATIONS

≥ 10
2
-6500K;
omposite, Digital
C
CONTENTS
ADJUSTMENT ............................................................. 15
SERVICE MODE ......................................................... 17
TROUBLESHOOTING GUIDE .................................... 18
WIRING DIAGRAM ...................................................... 24
EXPLODED VIEW........................................................ 25
SCHEMATIC DIAGRAM............................................... 27
3-3. Operating Frequency
Horizontal: 30 ~ 61kHz
Vertical: 56 ~ 75Hz
4. Max. Resolution
D-sub Analog: VESA 1360 x 768 @ 60 Hz
5. POWER SUPPLY
5-1. Power: 12V==2.0A
5-2. Power Consumption
On Mode: 18 W(Typ.)
Sleep Mode: ≤ 1 W
Off Mode: ≤ 0.5 W
6. ENVIRONMENT
6-1. Operating
Temperature: 10°C to 35°C
Humidity: 10 % to 80% non-Condensing
6-2. Storage
Temperature: -20°C to 60 °C
Humidity: 5 % to 90 % non-Condensing
6-3. MTBF: ≥ 187000 Hours before PRM
Lamp Life: > 25000 Hrs
7. DIMENSIONS (with Stand)
Width: 46.34 cm (18.24 inches)
Depth: 17.40 cm (6.85 inches)
Height: 37.35 cm (14.70 inches)
8. WEIGHT (excl. packing)
Weight: 2.4 kg (5.29 lbs)
- 2 - LGE Internal Use Only