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  LG Electronics Components Datasheet  


W2234S

Color Monitor Service Manual


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W2234S pdf
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Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. :
MODEL:
W2234S
(W2234S-SNI/W2234S-BNI.Axx*QP)
xx * means sales region and module type
(AxxIQP: INL 5ms, AxxVQP: AUO 5ms)
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
*To apply the MSTAR Chip.
1
Da



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W2234S pdf
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CONTENTS
SPECIFICATIONS ................................................... 2
PRECAUTIONS ....................................................... 3
TIMING CHART ....................................................... 7
DISASSEMBLY........................................................ 8
BLOCK DIAGRAM....................................................10
DISCRIPTION OF BLOCK DIAGRAM ................... 10
ADJUSTMENT ...................................................... 12
SERVICE OSD ............................................... ..........14
TROUBLESHOOTING GUIDE .............................. 15
WIRING DIAGRAM ............................................... 22
EXPLODED VIEW....................................................... 23
REPLACEMENT PARTS LIST ................................. 24
SCHEMATIC DIAGRAM .............................................. 33
SPECIFICATIONS
1. LCD CHARACTERISTICS
Type
: TFT Color LCD Module
Active Display Area : 22 inch
Pixel Pitch
: 0.282(H) x 0.282(V)
Color Depth
: 16.7M
Surface Treatment : Hard-coating (3H),
Haze=25% Anti-Glare
treatment
Operating Mode
: Normally White
Backlight Unit
: Top/Bottom edge side 4-CCFL
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 CR10
(b) For AUO M220EW01-V0 panel
Left 85°/Right 85°; Top 80°/Bottom 80° at Min CR10
Status H-sync V-sync Video Power LED
Power On on
on active 45W Blue
off on blanked < 1W Amber
Power
Saving
on
off
off blanked < 1W Amber
off blanked < 1W Amber
Power Off --
Burn in
-- --
< 1W
Off
Blue
2-2. Luminance
(a) For InnoLux MT220WW01-V0 panel
300cd/m2 (Typ.) 220cd/m2 (Min.) (6500k);170
cd/m2 (Min.)(9300k)
(b) For AUO M220EW01-V0 panel
300cd/m2 (Typ.) 220cd/m2 (Min.) (6500k);170
cd/m2 (Min.)(9300k)
6. ENVIRONMENT
6-1. Operating Temperature : 0°C to 40°C
6-2. Relative Humidity
: 20% to 80%
6-3. MTBF
: 60,000 HRS with 90% Confidence
Lamp Life
: 50,000 Hours (Min)
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 : Separate TTL; Composite;
Sync On Green
3-2. Video Input Signal
1) Type
: Analog
2) Voltage Level
: 700 mV +/- 5% (P-P)
3) Input Impedance : 75   
3-3. Operating Frequency: 31.5K~65.3K Hz
Horizontal
Vertical
:30 ~ 83 KHz
:56 ~ 75Hz
4. Max. Resolution
D-sub Analog: 1680*1050@60Hz
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: 4.7+/-0.5 Kg
Gross Weight: 5.8+/-0.5 Kg
5. POWER SUPPLY
5-1. Power: AC 90~264V, 47.5~63Hz,
5-2. Power Consumption
2
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Part Number W2234S
Description Color Monitor Service Manual
Maker LG - LG
Total Page 30 Pages
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