LG Electronics 773N STV6888 Block Diagram

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Horizontal position

S-correction

C-correction

Pin cushion asymm.

Parallelogram

Hor. duty cycle

H-moirØ amplitude

VDyCor amplitude

B+ ref.

Vertical size

Vertical position

Vertical moirØ

Pin cushion

Keystone

Top corners

Bottom corners

: Functions controlled via I2C Bus

H size

Control voltage level

STV6888 Block Diagram

Contents

Main CONTENTS SPECIFICATIONS CAUTION: SAFETY PRECAUTIONS TIMING CHART VIDEO SYNC OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW Front Control Panel WIRING DIAGRAM FBT BLOCK DIAGRAM < OSD Control > DESCRIPTION OF BLOCK DIAGRAM Page ADJUSTMENT GENERAL INFORMATION ADJUSTMENT PROCEDURE & METHOD Page TROUBLESHOOTING GUIDE 1. NO POWER 2. NO CHARACTER 3. NO RASTER 4. NO HORIZONTAL DEFLECTION 5. TROUBLE IN H-LINEARITY 6. NO VERTICAL DEFLECTION 7. TROUBLE IN OSD 8. TROUBLE IN DPM 9. NO DEGAUSSING 10. NO TILT (NO ROTATION) EXPLODED VIEW B A a b c EXPLODED VIEW PARTS LIST REPLACEMENT PARTS LIST CAPACITORS DIODEs ICs COILs & COREs TRANSISTOR RESISTORs Page OTHERs PIN CONFIGURATION STV6888 LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITORS STV6888 Block Diagram Page Page STV9556 Pin Configuration BLOCK DIAGRAM