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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
CONTENTS
SPECIFICATIONS ................................................... 2 SERVICE OSD ............................................... ..........14
PRECAUTIONS ....................................................... 3 TROUBLESHOOTING GUIDE .............................. 15
TIMING CHART ....................................................... 7
WIRING DIAGRAM ............................................... 22
DISASSEMBLY........................................................ 8
EXPLODED VIEW ....................................................... 23
BLOCK DIAGRAM....................................................10
DISCRIPTION OF BLOCK DIAGRAM ................... 10 REPLACEMENT PARTS LIST ................................. 24
ADJUSTMENT ...................................................... 12 SCHEMATIC DIAGRAM .............................................. 33

SPECIFICATIONS
1. LCD CHARACTERISTICS
Type : TFT Color LCD Module
Active Display Area : 22 inch Status H-sync V-sync Video Power LED
Pixel Pitch : 0.282(H) x 0.282(V)
Color Depth : 16.7M Power On on on active 45W Blue
Surface Treatment : Hard-coating (3H), off on blanked < 1W Amber
Haze=25% Anti-Glare
treatment on off blanked < 1W Amber
Operating Mode : Normally White Power
Backlight Unit : Top/Bottom edge side 4-CCFL Saving off off blanked < 1W Amber

2. OPTICAL CHARACTERISTICS Power Off -- -- -- < 1W Off
2-1. Viewing Angle by Contrast Ratio Burn in Blue
(a) For InnoLux MT220WW01-V0 panel
Left 85