LG Flatron L1722P, Service Manual

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CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
SERVICE PRECAUTIONS ...................................... 5
TIMING CHART ....................................................... 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 ......................................... 24
SPECIFICATIONS
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 : 8Bits, 16,777,216M colors
Electrical Interface : LVDS
Surface Treatment : Anti-Glare, Hard-coating(3H)
Operating Mode
: Transmissive mode, Normally White
Backlight Unit : 4-CCFL
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
≥
10
Left : 60° min., 70°(Typ) Right : 60° min., 70°(Typ)
Top : 45° min., 60°(Typ) Bottom : 50° min., 60°(Typ)
2-2. Luminance : 250(min), 300(Typ)
2-3. Contrast Ratio : 300(min), 450(Typ)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync., SOG, Digital
3-2. Video Input Signal
1) Type : R, G, B Analog
2) Voltage Level : 0~0.70 V
a) Color 0, 0 : 0 Vp-p
b) Color 7, 0 : 0.35 Vp-p
c) Color 15, 0 : 0.70 Vp-p
3) Input Impedance : 75
Ω
3-3. Operating Frequency
Horizontal : 30 ~ 83kHz(Analog)
: 30 ~ 71kHz(Digital)
Vertical : 56 ~ 75Hz
4
.
Max. Resolution
D-sub Analog : 1280 x 1024 / 75Hz
DVI 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)
6-2. Operating Humidity : 10%~80%
6-3. MTBF : 50,000 Hours with 90%
Cofidence level
Lamp Life : 50,000 Hours (Min)
7. DIMENSIONS (with TILT/SWIVEL)
FullUp Position
Width : 394 mm (15.51'')
Depth : 232 mm (9.13'')
Height : 379 mm (14.92'')
Folded Position
Width : 394mm (15.51'')
Depth : 127mm (5.00'')
Height : 412mm (16.22'')
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 4.5 kg (9.92 lbs)
Gross Weight : 6.5 kg (14.33 lbs)
9. USB
Upstream : 1 port, Downstream : 2 port
Speed : Full-12Mbps, Low-1.5Mbps
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
less than 43 W
less than 2 W
less than 2 W
less than 2 W
less than 1 W
LED COLOR
BLUE
AMBER
AMBER
AMBER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
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