LG Flatron LB700K, Service Manual

Page: 2 / 40

1. LCD CHARACTERISTICS
Type : TFT SXGA LCD
Size : 17 inch
Pixel Pitch : 0.264 (H) x 0.264 (V)
Color Depth : 6-bit + FRC(16.2M)
Electrical Interface : LVDS
Surface Treatment : Anti-Glare, Polarizer Hardness
Operating Mode : Normally White
Backlight Unit : 4-CCFL (Cold Cathode
Fluorescent Lamp)
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
≥
10
(AU Module)
Left : -55° min., -70°(Typ) Right : +55° min., +70°(Typ)
Top :+55° min., +70°(Typ) Bottom : -55°min., -70°(Typ)
(Hydis Module)
Left : -60° min., -65°(Typ) Right : +60° min., +65°(Typ)
Top :+40° min., +45°(Typ) Bottom : -60°min., -65°(Typ)
2-2. Luminance : 200(min), 250(Typ)
2-3. Contrast Ratio : 200(min), 450(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync,
SOG (Sync On Green)
Composite Sync, 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 (Digital: 71kHz)
Vertical : 56 ~ 85Hz
4
.
Max. Resolution
Analog : 1280 x 1024 / 75Hz
DVI Analog/ Digital : 1280 x 1024 / 60Hz
5. POWER SUPPLY
5-1. Power : AC 100~240V, 50/60Hz , 1.0A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature: 10°C~35°C (50°F~95°F)
(Ambient)
6-2. Relative Humidity : 10%~80%
(Non-condensing)
6-3. MTBF : 50,000 Hours(Min)
7. DIMENSIONS (with TILT/SWIVEL)
Width : 370 mm (14.57'')
Depth : 222.5 mm (8.76'')
Height : 421 mm (16.57'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 6.0 kg (13.23 lbs)
Gross Weight : 7.6 kg (16.76 lbs)
9. USB
Upstream : 1 port, Downstream : 2 port
Speed : Full-12Mbps, Low-1.5Mbps
CONTENTS
SPECIFICATIONS
- 2 -
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 5
OPERATING INSTRUCTIONS ................................ 6
WIRING DIAGRAM ................................................. 8
BLOCK DIAGRAM ................................................. 10
DESCRIPTION OF BLOCK DIAGRAM...................11 ADJUSTMENT ...................................................... 13
TROUBLESHOOTING GUIDE .............................. 14
PRINTED CIRCUIT BOARD................................... 19
EXPLODED VIEW...................................................24
REPLACEMENT PARTS LIST ...............................26
SCHEMATIC DIAGRAM ......................................... 30
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 45 W
less than 3 W
less than 3 W
less than 3 W
LED COLOR
GREEN
AMBER
AMBER
AMBER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
-
less than 1 W
(@120V AC)