U O.K | Daewoo 531X manual

A

	Is voltage		No
	of C109 13Vdc?
	of C109 13Vdc?
		Yes
		Yes
	Is		No
	voltage of C108		No


	-12Vdc?
		Yes
		Yes
	Is voltage		No
	of C105
	of C105
	8Vdc?

Yes

P.S.U O.K

Trouble in D106 or horizontal part

Trouble in D104 or vertical part

Trouble in D103

28

Image 30

Daewoo 531X service manual U O.K

Contents

XGA Color Monitor Contents Fire & Shock Hazard Safety PrecautionsSafety Check Implosion Protection Symbols as marked on equipment General Safety InformationSymbols in the manual Terms in the manual Servicing Precautions General Servicing Precautions Electrostatically Sensitive ES Devices General Soldering Guidelines Small-Signal Discrete Transistor Removal/Replacement IC Removal/ReplacementReplacement Removal Power IC, Transistor or Devices Removal/Replacement Diode Removal/ReplacementTechnical Information General Information Abbreviations PIN Connector Pin Signal Operation and Adjustment Control Panel Key Process OSD Functions Adjust the horizontal picture moire cancellation Pre-Adjustment Alignment ProcedureStandard Adjustment Conditions Method to launch the factory modePage Troubleshooting Hints No CharacterNo Character No Raster No Raster Missing Color One color is Missing Abnormal OSD Font Abnormal OSD Font Horizontal Output Circuit VGA Unstable Picture Horizontal Unstable Picture Vertical Focus Monitor remains Unfocused Convergence Poor convergence Abnormal Picture Horizontal Size Abnormal Size Vertical Size Side-Pincushion Circuit Power Supply Unit P.S.U Trouble in P.S.U U O.K Diagram Block PCB Layout Main PCB Solder Side CRT PCB Component Side CRT PCB Solder Side Schematic Diagram Power & Connection Section Control & Vert. out Section Horizontal Section Video Section Exploded View Diagram Important Safety Notice Information of Part DescriptionAbbreviation of Description Electrical Parts List PART-NAME PART-DESC LOC LED Metal Film Diode TVR1G TPA1 686, AHYEON-DONG MAPO-GU SEOUL, Korea