LG FLATRON W1941S(W1941S-PFT.A***QF), Руководство по обслуживанию

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CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM...................11 ADJUSTMENT ...................................................... 12
TROUBLESHOOTING GUIDE .............................. 14
WIRING DIAGRAM ............................................... 18
EXPLODED VIEW...................................................19
REPLACEMENT PARTS LIST ...............................21
SCHEMATIC DIAGRAM......................................... 25
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 : +85°(Typ)
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)
DFC -> 5000 : 1(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync, SOG
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 : 1440 x 900@75Hz
5. POWER SUPPLY
5-1. Power Adaptor(Built-in Power)
Input : AC 100-240V~, 50/60Hz, 0.8A
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 : 448.4 mm (17.65'')
Depth : 198.4 mm (7.81'')
Height : 383.3 mm (15.09'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 3.25 kg (7.22 lbs)
Gross Weight : 4.55 kg (10.11 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 39 W(max)
less than 36 W(typ)
less than 1 W
less than 1 W
less than 1 W
less than 1 W
LED COLOR
BLUE
AMBER
AMBER
AMBER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
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Only for training and service purposes
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