Table Of Contents; Specifications - LG Flatron W1942S Service Manual

SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM...................11
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 19 inch diagonal
Pixel Pitch : 0.285 (H) x 0.285 (V)
Size : 428(H) x 278(V) x 18.5(D)
Color Depth : 16.7M(8bit + FRC) colors
Electrical Interface : LVDS
Surface Treatment : Anti-Glare, Hard Coating(3H)
Operating Mode : Transmissive mode,Normally White
Backlight Unit : 4 CCFL
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥ 10
Left : -85°(Typ) Right
Top : +85°(Typ) Bottom : +85°(Typ)
2-2. Luminance : 180(Typ) (Typ. ±30)
: 250(min), 300(Typ)-6500K
: 150(min)-9300K
2-3. Contrast Ratio : 8000(min)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync, SOG
3-2. Video Input Signal
1) Type
2) Voltage Level
a) Color 0, 0
b) Color 7, 0
c) Color 15, 0
3) Input Impedance
3-3. Operating Frequency
Horizontal
Vertical
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

SPECIFICATIONS

: +85°(Typ)
DFC -> 5000 : 1(Typ)
: R, G, B Analog
: 0~0.71 V
: 0 Vp-p
: 0.467 Vp-p
: 0.714 Vp-p
: 75 Ω
: 30 ~ 83kHz
: 56 ~ 75Hz
CONTENTS
ADJUSTMENT ...................................................... 12
TROUBLESHOOTING GUIDE .............................. 14
WIRING DIAGRAM ............................................... 18
EXPLODED VIEW...................................................19
REPLACEMENT PARTS LIST ...............................21
SCHEMATIC DIAGRAM ......................................... 25
4. MAX. RESOLUTION
Analog
5. POWER SUPPLY
5-1. Power Adaptor(Built-in Power)
Input : AC 100-240V~, 50/60Hz, 0.8A
5-2. Power Consumption
MODE
POWER ON (NORMAL)
STAND BY
SUSPEND
DPMS 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 -
: 1440 x 900@75Hz
H/V SYNC VIDEO POWER CONSUMPTION
less than 39 W(max)
ON/ON ACTIVE
less than 36 W(typ)
OFF/ON OFF less than 1 W
ON/OFF less than 1 W
OFF
OFF/OFF OFF less than 1 W
- less than 1 W
-
: 10%~80% (Non-condensing)
: 50,000 HRS with 90%
Confidence level
: 40,000 Hours (Min)
: 448.4 mm (17.65'')
: 198.4 mm (7.81'')
: 383.3 mm (15.09'')
: 3.25 kg (7.22 lbs)
: 4.55 kg (10.11 lbs)
LGE Internal Use Only
LED COLOR
BLUE
AMBER
AMBER
AMBER
OFF