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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LP68A
MODEL: M1721A (M1721A-BZH.A**OPP)
M1921A (M1921A-BZH.A**OPP)
*( ) **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
SERVICE PRECAUTIONS ...................................... 4
WIRING DIAGRAM ............................................... 18
TIMING CHART ....................................................... 7
EXPLODED VIEW...................................................19
DISASSEMBLY ....................................................... 8
BLOCK DIAGRAM ................................................... 9 REPLACEMENT PARTS LIST ...............................21
DESCRIPTION OF BLOCK DIAGRAM ................. 11 SCHEMATIC DIAGRAM ......................................... 27



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 15(D)-M1721A 5-2. Power Consumption
: 396.0(V) x 324.0(H) x 15(D)-M1921A
MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR
Pixel Pitch : 0.264mm x 0.264mm-M1721A
: 0.294mm x 0.294mm-M1921A POWER ON (NORMAL) ON/ON ACTIVE less than 45 W GREEN
Color Depth : 6Bits with A-FRC, 16,777,216 colors
SLEEP MODE OFF/ON OFF less than 1 W RED
Surface Treatment : Anti Glare, Hard Coating(3H)
Operating Mode : Normally white POWER S/W OFF - OFF less than 1 W OFF
Backlight Unit : 4CCFL (4Lamps)
Electrical Interface : LVDS
6. ENVIRONMENT
2. OPTICAL CHARACTERISTICS 5-1. Operating Temperature : 10