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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : CL-81
MODEL: M1721A (M1721A-BMF.A**NLF)
M1921A (M1921A-BMF.A**NLF)
*( ) **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 .............................. 16
SERVICE PRECAUTIONS ...................................... 4
WIRING DIAGRAM ............................................... 20
TIMING CHART ....................................................... 7
EXPLODED VIEW...................................................21
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9 REPLACEMENT PARTS LIST ...............................23
DESCRIPTION OF BLOCK DIAGRAM ................. 10 SCHEMATIC DIAGRAM ......................................... 29
SPECIFICATIONS
1. LCD CHARACTERISTICS 5. POWER SUPPLY
Type : TFT Color LCD Module 5-1. Power
Active Video Area : 17.0 inch-M1721A AC 100-240Vac, 50/60Hz
: 19.0 inch-M1921A
Size : 358.5(V) x 296.5(H) x 17(D)-M1721A 5-2. Power Consumption
: 396.0(V) x 324.0(H) x 16.5(D)-M1921A MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR
Pixel Pitch : 0.264mm x 0.264mm x RGB-M1721A
: 0.098mm x RGBmm x 0.294-M1921A POWER ON (NORMAL) ON/ON ACTIVE less than 40 W-M1721A BLUE
Color Depth : 6Bits with FRC, 16,777,216 colors less than 45 W-M1921A
Surface Treatment : Anti Glare, Hard Coating(3H)
Operating Mode : Normally white OFF/ON
Backlight Unit : 4CCFL SLEEP MODE ON/OFF OFF less than 1 W RED
Electrical Interface : LVDS
OFF/OFF
2. OPTICAL CHARACTERISTICS POWER S/W OFF - OFF less than 1 W OFF
2-1. Viewing Angle by Contrast Ratio 10
M1721A
Left : -60