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Copyright
2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 8
DISASSEMBLY ....................................................... 9
BLOCK DIAGRAM ................................................. 10
DESCRIPTION OF BLOCK DIAGRAM...................11
ADJUSTMENT ...................................................... 13
TROUBLESHOOTING GUIDE .............................. 15
EXPLODED VIEW...................................................24
REPLACEMENT PARTS LIST ...............................26
SCHEMATIC DIAGRAM ......................................... 32
1. LCD CHARACTERISTICS
Type
: TFT Color LCD Module
Active Display Area
: 20.1 inch diagonal
Pixel Pitch
: 0.258 (H) x 0.258 (V)
Size
: 459.4(H) x 296.4(V) x 16.5(D)
Color Depth
: 16.7M color
Electrical Interface
: LVDS
Surface Treatment
: Anti-Glare, Hard Coating(3H)
Operating Mode
: Normally White,Transmissive mode
Backlight Unit
: 4 CCFL
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
≥
5
Left : -70° min., -80°(Typ) Right : +70° min., +80°(Typ)
Top :+60° min., +75°(Typ) Bottom : -70° min., -85°(Typ)
2-2. Luminance
: 210(min)
(Full white pattern,0.70V)-
6500K
2-3. Contrast Ratio
: 450(min), 700(Typ)
DFC -> 5000 : 1(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type
: Separate Sync, SOG, Digital
3-2. Video Input Signal
1) Type
: R, G, B Analog
2) Voltage Level
: 0~0.7 V
3) Input Impedance
: 75
Ω
3-3. Operating Frequency
Horizontal
: 30 ~ 83kHz
Vertical
: 56 ~ 75Hz
4. MAX. RESOLUTION
Analog
: 1680 x 1050@60Hz
Digital
: 1680 x 1050@60Hz
5. POWER SUPPLY
5-1. Power Adaptor(Built-in Power)
Input : AC 100-240V~, 50/60Hz, 1.2A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature : 10°C~35°C (50°F~95°F)
6-2. Relative Humidity
: 10%~80% (Non-condensing)
6-3. MTBF
: 50,000 HRS with 90%
Confidence level
Lamp Life
: 50,000 Hours (Min)
7. DIMENSIONS (with TILT/SWIVEL)
Width
: 471 mm (18.54'')
Depth
: 271.1 mm (10.67'')
Height
: 420 mm (16.54'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight
: 5.8 kg (12.79 lbs)
Gross Weight
: 7.8 kg (17.20 lbs)
* Windows 2000 (Service Pack 4), Windows XP (Service
Pack 2) Operating Systems (O/S) are supported.
* When the installation of "LG USB Easy Connection" program is
completed and check picture.
SPECIFICATIONS
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 50 W(Max)
less than 45 W(typ)
less than 2 W
less than 2 W
less than 2 W
less than 2 W
LED COLOR
BLUE
AMBER
AMBER
AMBER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
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