LG L1917S-BNN, Service Manual

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CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY ........................................................ 8
BLOCK DIAGRAM .................................................. 9
DESCRIPTION OF BLOCK DIAGRAM ...................10
ADJUSTMENT ...................................................... 12
TROUBLESHOOTING GUIDE .............................. 14
WIRING DIAGRAM ............................................... 18
EXPLODED VIEW...................................................19
REPLACEMENT PARTS LIST ...............................21
SCHEMATIC DIAGRAM ......................................... 23
SPECIFICATIONS
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Video Area : 19 inch
Size : 404.2 (H) x 330.0 (V) x 19.0 (D)
Pixel Pitch : 0.294mm x 0.294mm
Color Depth : 16.2M color (6-Bit+FRC)
Surface Treatment : Anti-Glare, Hard Coating (3H)
Backlight Unit
: 4 CCFL
Opraating Mode : Transmissive mode, Normally white
Electrical Interface : LVDS interface
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
≥
10
Left : -60° min. -70° typ. Right : +60° min. +70° typ.
Top : +55° min. +65° typ. Bottom: -55° min. -65° typ.
2-2. Luminance : 200(min.), 250(typ.)
2-3. Contrast Ratio : 350(min.), 500(typ.)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync, Composite Sync, SOG
3-2. Video Input Signal
1) Type : R, G, B Analog
2) Voltage Level : 0~0.7V
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 : 100-240V~, 50/60Hz 1.0A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature: 10°C~35°C (50°F~95°F)
6-2. Operating 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 : 418 mm (16.46'')
Depth : 219 mm (8.62'')
Height : 421 mm (16.57'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 4.6 kg (10.14 lbs)
Gross Weight : 6.8 kg (14.99 lbs)
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPM OFF
POWER S/W OFF
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF
-
POWER CONSUMPTION
less than 39 W
less than 1 W
less than 1 W
less than 1 W
less than 1 W
LED COLOR
GREEN
AMBER
AMBER
AMBER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
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