Daewoo 531X service manual U O.K

Page 30

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

Contents XGA Color Monitor Contents Fire & Shock Hazard Safety PrecautionsSafety Check Implosion ProtectionSymbols as marked on equipment General Safety InformationSymbols in the manual Terms in the manualServicing Precautions General Servicing PrecautionsElectrostatically Sensitive ES Devices General Soldering GuidelinesSmall-Signal Discrete Transistor Removal/Replacement IC Removal/ReplacementReplacement RemovalPower IC, Transistor or Devices Removal/Replacement Diode Removal/ReplacementTechnical Information General Information AbbreviationsPIN Connector Pin SignalOperation and Adjustment Control PanelKey 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 RasterMissing Color One color is MissingAbnormal OSD Font Abnormal OSD FontHorizontal Output Circuit VGAUnstable Picture Horizontal Unstable PictureVertical Focus Monitor remains UnfocusedConvergence Poor convergenceAbnormal Picture Horizontal Size Abnormal SizeVertical Size Side-Pincushion Circuit Power Supply Unit P.S.U Trouble in P.S.UU O.K Diagram BlockPCB Layout Main PCB Solder Side CRT PCB Component Side CRT PCB Solder Side Schematic Diagram Power & Connection SectionControl & 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-DESCLOC LED Metal Film Diode TVR1G TPA1 686, AHYEON-DONG MAPO-GU SEOUL, Korea