Table Of Contents - LG Flatron E1942S Service Manual

SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 4
TIMING CHART ....................................................... 8
DISASSEMBLY ....................................................... 9
BLOCK DIAGRAM ................................................. 11
DESCRIPTION OF BLOCK DIAGRAM...................12
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
: 18.5 inch diagonal
Active Display Area
Pixel Pitch : 0.3 (H) x 0.3 (V)
: 430.3(H) x 254.6(V) x 10.5 (D)
Size
: 16.7M colors(6-bit with A-FRC)
Color Depth
: 1ch-LVDS
Electrical Interface
Surface Treatment : Anti-Glare, Hard Coating(3H)
Operating Mode : Normally White
Backlight Unit : White LED
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio >10
Horizontal: Left:+85°, -85°(Typ) Right: +85°, -85°(Typ)
Vertical: Top:+75°, -85°(Typ) Bottom: +75°, -85°(Typ)
2-2. Luminance
: 200 (min),250(Typ)(Full white pattern,0.70V),
WARM
:150（min)（Full whitepattern,0.70V),
MEDIUM
: 150(min) (Full white pattern,0.70V),
COOL
: 700(min), 1000(TYP)
2-3. Contrast Ratio
DFC -> 5000 000 : 1(TYP)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal
• Type : Separate Sync
3-2. Video Input Signal
1) Type
2) Voltage Level
3) Input Impedance
3-3. Operating Frequency
Analog:
Horizontal
Vertical
Copyright
2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CONTENTS
SPECIFICATIONS
: R, G, B Analog
: 0~0.7 V
: 75 Ω
: 30 ~ 61kHz
: 56 ~ 75Hz
ADJUSTMENT ...................................................... 14
TROUBLESHOOTING GUIDE .............................. 16
WIRING DIAGRAM ............................................... 19
EXPLODED VIEW...................................................20
REPLACEMENT PARTS LIST ...............................22
SCHEMATIC DIAGRAM ......................................... 26
4. MAX. RESOLUTION
Analog
5. POWER SUPPLY
5-1. Power Adaptor(Built-in Power)
Input : AC 100-240 V~, 50/60 Hz, 1.0A
5-2. Power Consumption
MODE H/V SYNC
POWER ON (NORMAL)
ON/ON
STAND BY OFF/ON
SUSPEND ON/OFF
DPMS OFF OFF/OFF
POWER S/W OFF -
Super Energy Saving On/Off
6. ENVIRONMENT
6-1. Operating Temperature : 10°C~35°C (50°F~95°F)
6-2. Relative Humidity
6-3. MTBF
Lamp Life
7. DIMENSIONS (with TILT)
Width
Depth
Height
8. WEIGHT (with TILT/SWIVEL)
Net. Weight
Gross Weight
- 2 -
: 1366 x 768@60Hz
VIDEO POWER CONSUMPTION LED COLOR
less than 18 W(max)
RED
ACTIVE
less than 15 W(typ)
less than 0.3 W
OFF
BLINKING
less than 0.3 W
OFF
BLINKING
less than 0.3 W
OFF
BLINKING
less than 0.3 W
-
Efficiency:
On
up to30%
: 10%~80% (Non-condensing)
: 30,000 HRS with 90%
Confidence level
: 30,000 Hours (Min)
: 44.1 cm (17.36 '' )
cm (
34.9 13.7
: '' )
cm (
6.61
16.8
: '')
: 2.1 kg (4.62 lbs)
: 3.2kg (7.04 lbs)
LGE Internal Use Only
RED
RED
RED
OFF
RED