LG L1734S, Service Manual, Page: 2 / 41

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CONTENTS
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 17.0 inch
Pixel Pitch : 0.264 (H) x 0.264 (V)
Color Depth : 6bits, 16.7M colors
Size : 358.5 (H) x 296.5 (V) x 17.5(D)
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 : -80° min., -85°(Typ) Right : +80° min., +85°(Typ)
Top :+75° min., +80°(Typ) Bottom : -75° min., -80°(Typ)
2-2. Luminance : 220(min), 300(Typ) (Full White pattern, 0.7V) - 6500K
: 170(min) (Full White pattern, 0.7V) - 9300K
2-3. Contrast Ratio : 550(min), 700(Tye)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync, SOG
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 : 0.467Vp-p
c) Color 15, 0 : 0.714Vp-p
3) Input Impedance : 75
Ω
3-3. Operating Frequency
Horizontal : 30 ~ 83kHz
Vertical : 56 ~ 75Hz
4. Max. Resolution
D-sub Analog : 1280 x 1024@75Hz
5. POWER SUPPLY
5-1. Power : AC 100~240V, 50/60Hz , 0.8A
5-2. Power Consumption
6. ENVIRONMENT
6-1. Operating Temperature : 10°C~35°C
(Ambient)
6-2. Relative Humidity : 10%~80% (Non-condensing)
6-3. MTBF : 50,000 HRS with 90% Confidence
Lamp Life : 50,000 Hours(Min)
7. DIMENSIONS (with TILT/SWIVEL)
Width : 37.44 mm (14.74 inchs)
Depth :
18.30
mm (
7.20
inchs)
Height : 3
9
.
085
mm (1
5
.3
9
inchs)
8. WEIGHT (with TILT/SWIVEL)
Net. Weight : 3.5 kg
(7.72 Ibs)
SPECIFICATIONS
SPECIFICATIONS ...................................................2
PRECAUTIONS .......................................................3
TIMING CHART .......................................................7
DISASSEMBLY ........................................................8
BLOCK DIAGRAM...................................................11
DISCRIPTION OF BLOCK DIAGRAM .................. 13
ADJUSTMENT ...................................................... 15 SERVICE OSD ........................................................16
TROUBLESHOOTING GUIDE .............................. 17
WIRING DIAGRAM ............................................... 23
EXPLODED VIEW...................................................24
REPLACEMENT PARTS LIST ...............................26
SCHEMATIC DIAGRAM......................................... 3
4
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPMS OFF
POWER S/W OFF
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
-
POWER CONSUMPTION
30W(Typical)
less than 1 W
less than 1 W
less than 1 W
less than 1 W
LED COLOR
BLUE
AMBER
AMBER
AMBER
OFF
VIDEO
ACTIVE
OFF
OFF
OFF
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