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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LW81A
MODEL: M4212C M4212C-B(S)AG
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CONTENTS
SPECIFICATIONS ................................................... 2 DESCRIPTION OF BLOCK DIAGRAM....................14
PRECAUTIONS ....................................................... 3 SERVICE OSD ...................................................... 15
TIMING CHART ....................................................... 7 TROUBLESHOOTING GUIDE .............................. 16
ADJUSTMENT INSTRUCTION.................................9 EXPLODED VIEW...................................................23
BLOCK DIAGRAM ..................................................13 SCHEMATIC DIAGRAM ..............................................
SPECIFICATIONS
1. LCD CHARACTERISTICS 4. POWER SUPPLY
Type : TFT Color LCD Module 4-1. Power Adaptor
Active Display Area : 42.02inches(1067.308mm) diagonal Input : 100~240Vac, 50/60Hz
Pixel Pitch : 0.227mm(H) x 0.681mm(V) x RGB
Color Depth : 8bit, 16,777,216 colors 4-2. Power Consumption
Electrical Interface : LVDS
Mode Sync(H/V) Video LED Wattage
Size(mm) : 938(H) x 576(V) x 51(D)
Surface Treatment : Anti-Glare, Hard Coating(3H) Normal(Typ) On/On Active Green 220W
Operating Mode : Normally Black
Stand by Off/On Off Amber 1W RGB
Back light Unit : 18 CCFL(18 lamps)
(G Signal should
be off) Off/On Off Amber 3W HDMI
2. OPTICAL CHARACTERISTICS
Suspend
2-1. Viewing Angle by Contrast Ratio 10 On/Off Off Amber 1W RGB
(G Signal should
be off) On/Off Off Amber 3W HDMI
Left : -85