LG LB504N-XL, Service Manual

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CONTENTS
SPECIFICATIONS
- 2 -
1. LCD CHARACTERISTICS
Type : TFT XGA LCD Module
Size : 352.0(H) x 263.5(V) x 14.0(T)
Pixel Pitch : 0.297mm x 0.297mm
Color Depth : 6Bits + FRC/ 16,194,277 colors
Active Video Area : 15.0 inch
(304.128 x 228.096)
Surface Treatment : Anti-Glare, Hard Coating (3H)
Backlight Unit : Top/Bottom edge side 2CCFL
Electrical Interface : LVDS Interface
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
≥
10
Left : 55° min., 60° typ
Right : 55° min., 60° typ
Top : 40° min., 45° typ
Bottom : 40° min., 45° typ
2-2. Luminance : 200(min.), 250(typ.)
2-3. Contrast Ratio : 200(min.), 300(typ.)
3. SIGNAL (Refer to the Timing Chart)
3-1. Analog Video Input
1) Video Input Range : 0~0.7V ± 5%
2) Video Termination Impedance : 75
Ω
± 5%
3) Sync Type : Separate TTL, Composite TTL
SOG(Sync On Green)
4) Sync Level : TTL Low
≤
0.8V, High
≥
2.0V
3-2. Digital Video Input
DDWG DVI Standard 1.0
3-3. Operating Frequency
Horizontal : 31 ~ 63kHz
Vertical : 56 ~ 75Hz
4. POWER SUPPLY
4-1. Power
100~240V, 50/60Hz 0.6A
4-2. Power Consumption
5. ENVIRONMENT
5-1. Operating Temperature: 10°C~35°C (50°F~95°F)
(Ambient)
5-2. Relative Humidity : 10%~80%
(Non-condensing)
5-3. MTBF : 40,000 Hours (Min.)
Lamp Life : 40,000 Hours (min.)
6. DIMENSIONS (with TILT/SWIVEL)
Width : 356mm (14.01'')
Depth : 229mm (9.01'')
Height : 380mm (14.96'')
Width : 356mm (14.01'')
Depth : 291.4mm (11.47'')
Height : 103.3mm (4.06'')
7. WEIGHT (with TILT/SWIVEL)
Net. Weight : 5.0kg (11.02 lbs)
Gross Weight : 6.6kg (14.55 lbs)
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 4
OPERATING INSTRUCTIONS ................................ 5
WIRING DIAGRAM ................................................. 8
BLOCK DIAGRAM ................................................... 9
DESCRIPTION OF BLOCK DIAGRAM................... 11 ADJUSTMENT ...................................................... 13
TROUBLESHOOTING GUIDE .............................. 14
PRINTED CIRCUIT BOARD................................... 18
EXPLODED VIEW...................................................21
REPLACEMENT PARTS LIST ...............................23
PIN CONFIGURATION............................................28
SCHEMATIC DIAGRAM ......................................... 32
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPMS OFF
POWER OFF
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
POWER CONSUMPTION
less than 30 W
less than 3 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