Table Of Contents; Specifications - LG FLATRON L1930B Service Manual

Color monitor
Table of Contents

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SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
SERVICE PRECAUTIONS ...................................... 5
TIMING CHART ....................................................... 8
DISASSEMBLY .........................................................9
WIRING DIAGRAM ................................................ 11
BLOCK DIAGRAM ................................................. 12
1. LCD CHARACTERISTICS
Type
: TFT XGA LCD Module
Size
: 404.2(H) x 330(V) x 20.0(D)
Pixel Pitch
: 0.294mm x 0.294mm
Color Depth
: 16.7M colors
Active Video Area : 19.0inch
Surface Treatment : Anti-Glare, Hard Coating (3H)
Backlight Unit
: 4CCFL
Opraating Mode
: Transmissive mode, Normally white
Electrical Interface : LVDS interface
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio ≥ 10
Left : 85° min. 88° typ.
Top : 85° min. 88° typ.
2-2. Luminance
: 200(min.), 250(typ.) at Center point
2-3. Contrast Ratio :
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
1) Type
: Separate Sync. (Horizontal & Vertical)
2) Input Voltage Level : Low=0~0.8V, High=2.1~5.5V
3) Sync Polarity
3-2. Video Input Signal
1) Type
2) Voltage Level
3) Input Impedance
3-3. Operating Frequency
Horizontal(Analog)
Horizontal(Digital)
Vertical
3-4. Resolution
MAX.
Recommend

SPECIFICATIONS

Right: 85° min. 88° typ.
Bottom: 85° min. 88° typ.
350(min.), 500(typ.)
: Positive or Negative
: R, G, B Analog
: 0~0.7 V
: 75 Ω
: 30 ~ 83kHz
: 30 ~ 71kHz
: 56 ~ 75Hz
: 1280 x 1024@75
: 1280 x 1024@60
CONTENTS
DESCRIPTION OF BLOCK DIAGRAM ................. 13
ADJUSTMENT ...................................................... 15
TROUBLESHOOTING GUIDE .............................. 17
EXPLODED VIEW...................................................21
REPLACEMENT PARTS LIST ...............................23
SCHEMATIC DIAGRAM ......................................... 26
4. POWER SUPPLY
4-1. Power
100-240V~, 50/60Hz 1.0A
4-2. Power Consumption
MODE
POWER ON (NORMAL)
STAND-BY
SUSPEND
DPM OFF
POWER S/W OFF
5. ENVIRONMENT
5-1. Operating Temperature: 10°C~35°C (50°F~95°F)
5-2. Operating Humidity
5-3. MTBF
Lamp Life
6. DIMENSIONS (with TILT / with Base)
Width
Depth
Height
7. WEIGHT (with TILT)
Net. Weight
Gross Weight
- 2 -
H/V SYNC
VIDEO
POWER CONSUMPTION
ON/ON
ACTIVE
less than 45 W
OFF/ON
OFF
less than 2 W
ON/OFF
less than 2 W
OFF
OFF
less than 2 W
OFF
-
less than 1 W
-
: 10%~80%
: 50,000 HRS (Min.)
: 50,000 Hours (Min.)
: 444mm (15.67'')
: 423.8mm (4.53'')
: 108.7mm (15.47'')
: 6.5kg (10.80 lbs)
: 8.8kg (14.33 lbs)
LED COLOR
GREEN
AMBER
AMBER
AMBER
OFF

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