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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LM57B
MODEL: L1752TX (L1752TX-SFQ.AX**QP, AW**QP)
L1752TX (L1752TX-BFQ.AX**QP, AW**QP)
L1952TX (L1952TX-SFQ.AX**QP, AW**QP)
L1952TX (L1952TX-BFQ.AX**QP, AW**QP)
( ) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
*To apply the MSTAR Chip.
CONTENTS
SPECIFICATIONS ................................................... 2 SERVICE OSD ........................................................15
PRECAUTIONS ....................................................... 3 TROUBLESHOOTING GUIDE .............................. 16
TIMING CHART ....................................................... 7
WIRING DIAGRAM ............................................... 22
DISASSEMBLY ....................................................... 8
EXPLODED VIEW...................................................23
BLOCK DIAGRAM...................................................10
DISCRIPTION OF BLOCK DIAGRAM .................. 12 REPLACEMENT PARTS LIST ...............................25
ADJUSTMENT ...................................................... 14 SCHEMATIC DIAGRAM ......................................... 30
SPECIFICATIONS
1. LCD CHARACTERISTICS 5. POWER SUPPLY
Type : TFT Color LCD Module 5-1. Power : AC 100-240V~, 50/60Hz , 0.8A
Active Display Area : 17 inch - L1752TX
: 19 inch - L1952TX 5-2. Power Consumption
Pixel Pitch : 0.264 (H) x 0.264 (V) - L1752TX
: 0.294 (H) x 0.294 (V) - L1952TX MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR
Color Depth : 8bits, 16.2M colors less than 33 W -L1752TX BLUE
Size : 358.5 (H) x 296.5 (V) x 17.0(D) - L1752TX POWER ON (NORMAL) ON/ON ACTIVE
: 396 (H) x 324 (V) x 17.5(D) - L1952TX less than 37 W -L1952TX or GREEN
Electrical Interface : LVDS
STAND-BY OFF/ON OFF less than 1 W AMBER
Surface Treatment : Hard-coating(3H), Anti-Glare
Operating Mode : Normally White, Transmissive mode SUSPEND ON/OFF OFF less than 1 W AMBER
Backlight Unit : 4-CCFL
DPMS OFF OFF/OFF OFF less than 1 W AMBER
2. OPTICAL CHARACTERISTICS POWER S/W Off - - less than 1 W OFF
2-1. Viewing Angle by Contrast Ratio 10
Left : -60