LG Flatron L1730SF (L1730SFKN.A**MEP), Service Manual

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Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM....................11
ADJUSTMENT ...................................................... 13 SERVICE OSD ...................................................... 14
TROUBLESHOOTING GUIDE .............................. 15
WIRING DIAGRAM ............................................... 21
EXPLODED VIEW...................................................23
REPLACEMENT PARTS LIST ...............................25
SCHEMATIC DIAGRAM ......................................... 27
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 17 inch
Pixel Pitch : 0.264 (H) x 0.264 (V)
Size : 358.5 (H) x 296.5 (V) x 17.0 (D)
Color Depth : 16.7M 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 : -70° min., -80°(Typ) Right :+70° min., +80°(Typ)
Top :+60° min., +75°(Typ) Bottom : -70°min., -85°(Typ)
2-2. Luminance : 230(Min), 270(Typ)
2-3. Contrast Ratio : 500(min), 800(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
Analog : 1280 x 1024 / 75Hz
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 HRS with 90% Confidence level
: 50,000 Hours (Min)
7. DIMENSIONS (with TILT/SWIVEL)
Width : 398 mm (15.67'')
Depth : 228 mm (8.98'')
Height : 402 mm (15.83'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 6.7 kg (14.77 lbs)
Gross Weight : 8.0 kg (17.64 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
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POWER CONSUMPTION
30 W(Typ)
less than 2 W
less than 2 W
less than 2 W
less than 1 W
LED COLOR
GREEN
AMBER
AMBER
AMBER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
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