Daewoo L510B1 service manual One color is missing

Page 20

4. One color is missing

One color is missing

	Yes
Is the OSD color		No
Is the OSD color
normal?
	Yes
	Yes

Is the input	No
signal normal?
signal normal?

Yes

Are the

R,G,B Digital values No (every eight bits) correct

on ADC output stage?

Yes

Trouble in the soldering of R,G,B data lines from output of ADC to Scaler(U1).

Check the output signal of Scaler.

Check the video signal

cable or R,G,B con-ass’y.

Check the ambient circuit of ADC.

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Contents XGA Color Monitor Contents Fire & Shock Hazard Safety PrecautionsSafety Check General Safety Information Symbols in the manualSymbols as marked on equipment Terms in the manualServicing Precautions General Servicing PrecautionsElectrostatically Sensitive ES Devices General Soldering GuidelinesIC Removal/Replacement ReplacementSmall-Signal Discrete Transistor Removal/Replacement Power IC, Transistor or Devices Removal/ReplacementDiode Removal/Replacement Technical InformationGeneral Information AbbreviationsPIN Connector Pin SignalHot Key Operation and AdjustmentControl Panel Key Process Adjustment Procedure Adjust the width horizontal size of the screen image OSD FunctionsSelf Diagnosis Alignment Procedure Standard Check point Troubleshooting Hints Abnormal mode detectTrouble in Power on No Raster One color is missing One color is missingNo Video Black Power Problem Block Diagram Mainbord ControlPCB Layout Control PCB Component Side Page Schematic Diagram Smps Section Exploded View & Mechanical Parts List Important Safety Notice Information of Part DescriptionElectrical Parts List PART-NAME PART-DESCLine Across FB2 Carbon Film