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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LM57G
MODEL: W1942S(W1942S-PFT.A***QF)
( ) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CONTENTS
SPECIFICATIONS ................................................... 2 ADJUSTMENT ...................................................... 12
PRECAUTIONS ....................................................... 3 TROUBLESHOOTING GUIDE .............................. 14
TIMING CHART ....................................................... 7 WIRING DIAGRAM ............................................... 18
DISASSEMBLY ....................................................... 8 EXPLODED VIEW...................................................19
BLOCK DIAGRAM ................................................... 9 REPLACEMENT PARTS LIST ...............................21
DESCRIPTION OF BLOCK DIAGRAM...................11 SCHEMATIC DIAGRAM ......................................... 25
SPECIFICATIONS
1. LCD CHARACTERISTICS 4. MAX. RESOLUTION
Type : TFT Color LCD Module Analog : 1440 x 900@75Hz
Active Display Area : 19 inch diagonal
Pixel Pitch : 0.285 (H) x 0.285 (V)
Size : 428(H) x 278(V) x 18.5(D) 5. POWER SUPPLY
Color Depth : 16.7M(8bit + FRC) colors 5-1. Power Adaptor(Built-in Power)
Electrical Interface : LVDS Input : AC 100-240V~, 50/60Hz, 0.8A
Surface Treatment : Anti-Glare, Hard Coating(3H)
Operating Mode : Transmissive mode,Normally White 5-2. Power Consumption
Backlight Unit : 4 CCFL
MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR
2. OPTICAL CHARACTERISTICS less than 39 W(max)
2-1. Viewing Angle by Contrast Ratio 10 POWER ON (NORMAL) ON/ON ACTIVE BLUE
less than 36 W(typ)
Left : -85