LG L1750U-BN, Руководство по обслуживанию

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CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM....................10
ADJUSTMENT ...................................................... 12 SERVICE OSD ...................................................... 13
TROUBLESHOOTING GUIDE .............................. 14
WIRING DIAGRAM ............................................... 18
EXPLODED VIEW...................................................19
REPLACEMENT PARTS LIST ...............................21
SCHEMATIC DIAGRAM ......................................... 23
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 17 inch
Size : 358.5(W) x 296.5(H) x 17.0(D)
Pixel Pitch : 0.264 (H) x 0.264 (V)
Color Depth : 16.2M colors
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
≥
10
Left : -60°min., -70°(Typ) Right : +60°min., +70°(Typ)
Top :+60°min., +75°(Typ) Bottom : +50°min., -65°(Typ)
2-2. Luminance : 200(min), 250(Typ)
2-3. Contrast Ratio : 350(min), 600(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync, SOG, composite.
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
D-sub Analog : 1280 x 1024@75Hz
5. POWER SUPPLY
5-1. Power : AC 100~240V, 50/60Hz , 1.2A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature : 10°C~35°C
6-2. Relative Humidity
: 10%~80%
6-3. MTBF : 50,000 HRS with 90%
Confidence level
Lamp Life : 50,000 Hours(Min)
7. DIMENSIONS (with TILT/SWIVEL)
Width : 368 mm (14.49'')
Depth : 230.5 mm (9.07'')
Height : 389.2 mm (15.32'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 4.9 kg (10.80 lbs)
Gross Weight : 6.5 kg (14.33 lbs)
SPECIFICATIONS
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPMS OFF
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
POWER CONSUMPTION
less than 43 W
less than 1 W
less than 1 W
less than 1 W
LED COLOR
BLUE
AMBER
AMBER
AMBER
VIDEO
ACTIVE
OFF
OFF
OFF