LG Electronics LCD 782LS service manual Contents, Specifications

CONTENTS

SPECIFICATIONS	2
PRECAUTIONS	3
TIMING CHART	4
OPERATING INSTRUCTIONS	5
WIRING DIAGRAM	6
DISASSEMBLY	7
BLOCK DIAGRAM AND DESCRIPTION	8

ADJUSTMENT	11
TROUBLESHOOTING GUIDE	12
PRINTED CIRCUIT BOARD	17
EXPLODED VIEW	19
REPLACEMENT PARTS LIST	21
PIN CONFIGURATION	25
SCHEMATIC DIAGRAM	26

SPECIFICATIONS

1. LCD CHARACTERISTICS
Type		: TFT Color LCD Module
Size		: 17.0 inch (43.2 cm diagonal)
Pixel Pitch		: 0.264(H) x 0.264(V)
Elecctrical Interface		: LVDS
Color Depth		: 6-bits+FRC, 16,194,277 colors
Size (mm)		: 383.5(H) x 306(V) x 21.0(D) Typ
Surface Treatment		: Anti-Glare, Hard Coating (3H)
Operating Mode		: Normally white
Backlight Unit		: Four-CCFL (Cold Cathode
		Fluorescent Lamp)
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥				10
Left	: 70° Typ. ,		Right	: -70° Typ.
Top	: 45° Typ. ,		Bottom : -65° Typ.
2-2. Luminance		: 200 (min.) 250 (typ.)
2-3. Contrast Ratio		: 250 (min)	400 (typ.)

3.SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal

• Type		: Separate TTL (Positive/Negative)
3-2. Video Input Signal
1)	Type		: R, G, B Analog
2)	Voltage Level		: 0~0.714 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 ~ 83 kHz
Vertical			: 56 ~ 75 Hz

4. POWER SUPPLY

4-1. Power

AC 100~240V, 50/60Hz , 1.0A

4-2. Power Consumption

MODE	H/V SYNC	VIDEO	POWER CONSUMPTION	LED COLOR
POWER ON (NORMAL)	ON/ON	ACTIVE	less than 45 W	GREEN
STAND-BY	OFF/ON	OFF	less than 3 W	AMBER
SUSPEND	ON/OFF	OFF	less than 3 W	AMBER
OFF	OFF/OFF	OFF	less than 3 W	AMBER
POWER OFF	-	-	less than 3 W	OFF

5.ENVIRONMENT

5-1. Operating Temperature: 10°C ~ 35°C (50°F ~ 95°F)

	(Ambient)
5-2. Relative Humidity	: 5% ~ 95%
	(Non-condensing)
6. DIMENSIONS (with TILT/SWIVEL)
Width	: 419 mm (16.49'')
Depth	: 205 mm (8.07'')
Height	: 410 mm (16.14'')
7. WEIGHT (with TILT/SWIVEL)
Net. Weight	: 6.8 kg (14.99 lbs)
Gross Weight	: 8.4 kg (18.52 lbs)

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