Daewoo 531X - page 30

Is voltage

of C105

8Vdc? Trouble in D103

Is voltage

of C109 13Vdc? No

Yes

voltage of C108

-12Vdc?

Trouble in D104

or vertical part

P.S.U O.K

Trouble in D106

or horizontal part

Contents

Main Service Manual CONTENTS INFORMATION OF PAR T DESCRIPTION ELECTRICAL PARTS LIST SAFETY PRECAUTIONS Safety Check X-Ray Fire & Shock Hazard Implosion Protection GENERAL SAFETY INFORMATION SERVICING PRECAUTIONS General Servicing Precautions Electrostatically Sensitive (ES) Devices General Soldering Guidelines Page Power IC, Transistor or Devices Removal/Replacement Diode Removal/Replacement TECHNICAL INFORMATION Abbreviations GENERAL INFORMATION Caution For Servicing PIN CONNECTOR CAUTIONS FOR ADJUSTMENT AND REPAIR OPERATION AND ADJUSTMENT Page OSD Functions Page ALIGNMENT PROCEDURE Standard Adjustment Conditions Pre-Adjustment Method to launch the factory mode Main Adjustment Page TROUBLESHOOTING HINTS 1. No Character No Character 2. No Raster No Raster 3. A Missing Color One color is missing Yes 4. Abnormal OSD Font MODE B+ Voltage VGA 60Vdc Super VGA 72Vdc 54KHz 110Vdc 5. Horizontal Output Circuit 6. Unstable Picture 6-1. Horizontal Unstable picture 6-2. Vertical Unstable picture 50Vp-p 7. Focus 8. Convergence Poor convergence 9 MODE B+ Voltage VGA 60Vdc Super VGA 72Vdc 54KHz 110Vdc . Abnormal Picture 9-1. Horizontal Size * At first, adjust controls in the OSD Menu 9-2. Vertical Size 10. Side-Pincushion Circuit 11. Power Supply Unit (P.S.U) Trouble in P.S.U Page BLOCK DIAGRAM CMC-531X MONITOR BLOCK DIAGRAM Page Page Page Page Page Page Page Page INFORMATION OF PART DESCRIPTION Important Safety Notice Abbreviation of Description ELECTRICAL PARTS LIST