Table Of Contents; Specifications - LG FLATRON L1942HE-BF Service Manual

Color monitor
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SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM.................................................... 9
DISCRIPTION OF BLOCK DIAGRAM .................. 11
ADJUSTMENT ...................................................... 13
1. LCD CHARACTERISTICS
Type
: TFT Color LCD Module
Active Display Area
: 19 inch
Pixel Pitch
: 0.294 (H) x 0.294 (V)
Color Depth
: 8bits, 16.2M colors
Size
: 358.5 (H) x 296.5 (V) x 17.0(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
Left : -70° min., -80°(Typ) Right
Top :+70° min.,+80°(Typ) Bottom : -70° min., -85°(Typ)
2-2. Luminance
: 230(min), 300(Typ) (Full White pattern, 0.70V) -6500K
: 150(min) (Full White pattern, 0.70V) -9300K
: 75%(min), 80%(typ)
2-3. Contrast Ratio
: 8000:1 (DFC)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type
: Separate Sync, Digital, 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
: 30 ~ 83kHz
Vertical
: 56 ~ 75Hz
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CONTENTS

SPECIFICATIONS

≥ 10
: +70° min., +80°(Typ)
: R, G, B Analog
: 0~0.71 V
: 0 Vp-p
: 0.467Vp-p
: 0.714Vp-p
: 75
SERVICE OSD ........................................................14
TROUBLESHOOTING GUIDE .............................. 15
WIRING DIAGRAM ............................................... 21
EXPLODED VIEW...................................................22
REPLACEMENT PARTS LIST ...............................23
SCHEMATIC DIAGRAM ......................................... 24
4. Max. Resolution
D-sub Analog
Digital
5. POWER SUPPLY
5-1. Power : AC 100~240V, 50/60Hz , 0.8A
5-2. Power Consumption
MODE
H/V S YNC
POWE R ON (NOR MAL)
ON/ON
S T AND-B Y
OF F /ON
S US P E ND
ON/OF F
DP MS OF F
OF F /OF F
-
P OWE R 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 -
: 1280 x 1024@75Hz
: 1280 x 1024@60Hz
VIDE O
POWE R CONS UMPTION
ACTIVE
less than 34 W
OF F
less than 1 W
OF F
less than 1 W
OF F
less than 1 W
-
less than 1 W
(Ambient)
: 10%~80% (Non-condensing)
: 50,000 HRS with 90% Confidence
: 50,000 Hours(Min)
: 406.3 mm (16.00'')
: 237.5 mm (9.35'')~109.8 mm(4.32'')
: 463.7 mm (18.26'')~358.0 mm(14.09'')
: 4.9 kg (10.89 lbs)
: 6.49 kg (14.22 lbs)
LGE Internal Use Only
LE D C OLOR
B LUE
Flicker
Flicker
Flicker
OF F

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