LG Flatron W1943S, Руководство по обслуживанию, Страница: 2 / 24

- 2 -
CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 8
DISASSEMBLY ....................................................... 9
BLOCK DIAGRAM ................................................. 10
DESCRIPTION OF BLOCK DIAGRAM...................12 ADJUSTMENT ...................................................... 13
TROUBLESHOOTING GUIDE .............................. 15
WIRING DIAGRAM ............................................... 19
EXPLODED VIEW...................................................20
REPLACEMENT PARTS LIST ...............................22
SCHEMATIC DIAGRAM......................................... 26
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 18.5 inch diagonal
Pixel Pitch : 0.285 (H) x 0.285 (V)
Size : 430.4(H) x 254.6(V) x 16.5(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 : 2 CCFL
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥ 10
Left : -85°(Typ) Right : +85°(Typ)
Top : +85°(Typ) Bottom : +85°(Typ)
2-2. Luminance : 170(Typ) (Typ.
±
30)
: 220(min), 300(Typ)-
6500K
: 150(min)-
9300K
2-3. Contrast Ratio : 8000(min)
DFC -> 30000 : 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 : 0~0.71 V
a) Color 0, 0 : 0 Vp-p
b) Color 7, 0 : 0.467 Vp-p
c) Color 15, 0 : 0.714 Vp-p
3) Input Impedance : 75 Ω
3-3. Operating Frequency
Horizontal : 30 ~ 83kHz
Vertical : 56 ~ 75Hz
4. MAX. RESOLUTION
Analog : 1360 x 768@60Hz
5. POWER SUPPLY
5-1. Power Adaptor(Built-in Power)
Input : 12V = 2,0A
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 : 40,000 Hours (Min)
7. DIMENSIONS (with TILT/SWIVEL)
Width : 449.0 mm (17.68'')
Depth : 183.0 mm (7.20'')
Height : 361.0 mm (14.21'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 2.5 kg (5.62 lbs)
Gross Weight : 4.3 kg (9.56 lbs)
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
-
POWER CONSUMPTION
less than 24 W(max)
less than 21 W(typ)
less than 1 W
less than 1 W
less than 1 W
less than 1 W
LED COLOR
RED
FLCKER
FLCKER
FLCKER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
-
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only