Daewoo 531X service manual Vertical Size

Page 27

9-2. Vertical Size

 

 

 

 

Abnormal

 

 

 

 

V.Size

 

 

 

 

Is

 

Is

 

Check the IC401

changeable the

No

Yes

the 3.5Vdc of pin

DC voltage of

 

 

and its

 

21of the IC501?

 

IC401 pin 1?

 

 

ambient circuit

 

 

 

Yes

 

No

 

 

Trouble V.OSC/

 

Check the IC501

 

 

Deflection Circuit

 

and its ambient circuit

 

 

Refer to V.OSC/Deflection circuit

 

 

 

25

Image 27
Contents XGA Color Monitor Contents Implosion Protection Safety PrecautionsSafety Check Fire & Shock HazardTerms in the manual General Safety InformationSymbols in the manual Symbols as marked on equipmentGeneral Servicing Precautions Servicing PrecautionsGeneral Soldering Guidelines Electrostatically Sensitive ES DevicesRemoval IC Removal/ReplacementReplacement Small-Signal Discrete Transistor Removal/ReplacementPower IC, Transistor or Devices Removal/Replacement Diode Removal/ReplacementTechnical Information Abbreviations General InformationPin Signal PIN ConnectorControl Panel Operation and AdjustmentKey Process OSD Functions Adjust the horizontal picture moire cancellation Method to launch the factory mode Alignment ProcedureStandard Adjustment Conditions Pre-AdjustmentPage Troubleshooting Hints No CharacterNo Character No Raster No RasterOne color is Missing Missing ColorAbnormal OSD Font Abnormal OSD FontVGA Horizontal Output CircuitUnstable Picture Unstable Picture HorizontalVertical Monitor remains Unfocused FocusPoor convergence ConvergenceAbnormal Size Abnormal Picture Horizontal SizeVertical Size Side-Pincushion Circuit Trouble in P.S.U Power Supply Unit P.S.UU O.K Block DiagramPCB Layout Main PCB Solder Side CRT PCB Component Side CRT PCB Solder Side Power & Connection Section Schematic DiagramControl & Vert. out Section Horizontal Section Video Section Exploded View Diagram Important Safety Notice Information of Part DescriptionAbbreviation of Description PART-NAME PART-DESC Electrical Parts ListLOC LED Metal Film Diode TVR1G TPA1 686, AHYEON-DONG MAPO-GU SEOUL, Korea