Table Of Contents; Specifications; 4. Max. Resolution D-Sub Analog: 1680*1050@60Hz - LG Flatron W2234S Service Manual

SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY........................................................ 8
BLOCK DIAGRAM....................................................10
DISCRIPTION OF BLOCK DIAGRAM ................... 10
ADJUSTMENT ...................................................... 12
1. LCD CHARACTERISTICS
Type
Active Display Area
Pixel Pitch
Color Depth
Surface Treatment
Operating Mode
Backlight Unit
2. OPTICAL CHARACTERISTICS
2-1. Viewing Angle by Contrast Ratio
(a) For InnoLux MT220WW01-V0 panel
Left 85°/Right 85°; Top 80°/Bottom 80° at Min CR≥10
(b) For AUO M220EW01-V0 panel
Left 85°/Right 85°; Top 80°/Bottom 80° at Min CR≥10
2-2. Luminance
(a) For InnoLux MT220WW01-V0 panel
2
300cd/m (Typ.) 220cd/m
2
cd/m (Min.)(9300k)
(b) For AUO M220EW01-V0 panel
2
300cd/m (Typ.) 220cd/m
2
cd/m (Min.)(9300k)
2-3. Contrast Ratio
(a) For InnoLux MT220WW01-V0: 1000 ‫( 1׃‬Typical);
700:1 (minimum)
(b) For AUO M220EW01-V0: 1000 ‫( 1׃‬Typical);
800:1(minimum)
3. SIGNAL (Refer to the Timing Chart)
3-1. Sync Signal Type
3-2. Video Input Signal
1) Type
2) Voltage Level
3) Input Impedance
3-3. Operating Frequency: 31.5K~65.3K Hz
Horizontal
Vertical
4. Max. Resolution
D-sub Analog: 1680*1050@60Hz
5. POWER SUPPLY
5-1. Power: AC 90~264V, 47.5~63Hz,
5-2. Power Consumption

SPECIFICATIONS

: TFT Color LCD Module
: 22 inch
: 0.282(H) x 0.282(V)
: 16.7M
: Hard-coating (3H),
Haze=25% Anti-Glare
treatment
: Normally White
: Top/Bottom edge side 4-CCFL
2
(Min.) (6500k);170
2
(Min.) (6500k);170
: Separate TTL; Composite;
Sync On Green
: Analog
700 mV +/- 5% (P-P)
:
: 75 Ω
:30 ~ 83 KHz
:56 ~ 75Hz
CONTENTS
SERVICE OSD ............................................... ..........14
TROUBLESHOOTING GUIDE .............................. 15
WIRING DIAGRAM ............................................... 22
EXPLODED VIEW ....................................................... 23
REPLACEMENT PARTS LIST ................................. 24
SCHEMATIC DIAGRAM .............................................. 33
Status H-sync V-sync
Power On on
off
on
Power
Saving
off
Power Off --
Burn in
6. ENVIRONMENT
6-1. Operating Temperature : 0°C to 40°C
6-2. Relative Humidity
6-3. MTBF
Lamp Life
7. DIMENSIONS (with TILT/SWIVEL)
Width: 509.3mm
Depth:
206mm (W Base), 63.5mm (W/O Base),
60.5mm (W/O STAND&BASE)
Height:
431.3mm (W Base), 419.8mm (W/O Base), 338.6mm
(W/O STAND&BASE)
8. WEIGHT (with TILT/SWIVEL)
Net. Weight:
Gross Weight: 5.8+/-0.5 Kg
2
Video Power
≤ 45W Blue
on active
on blanked < 1W
off blanked < 1W
off blanked < 1W
-- -- < 1W
: 20% to 80%
: 60,000 HRS with 90% Confidence
: 50,000 Hours (Min)
4.7+/-0.5 Kg
LED
Amber
Amber
Amber
Off
Blue