Daewoo L510B1 service manual Power Problem

Page 23

6. Power Problem

Is the power

cord well

connected?

Yes

Check 5VS, 5VD,

5VA, 6V, 3.3V

of CN2A.

Yes

Check the main board.

No

 

Check if the power

 

 

cord is correctly

 

 

 

connected.

 

 

 

No

Is

the output of No D812 6.2V?

Yes

Check ambient circuit of IC801.

21

Image 23
Contents XGA Color Monitor Contents Fire & Shock Hazard Safety PrecautionsSafety Check Terms in the manual General Safety InformationSymbols in the manual Symbols as marked on equipmentGeneral Servicing Precautions Servicing PrecautionsGeneral Soldering Guidelines Electrostatically Sensitive ES DevicesPower IC, Transistor or Devices Removal/Replacement IC Removal/ReplacementReplacement Small-Signal Discrete Transistor Removal/ReplacementTechnical Information Diode Removal/ReplacementAbbreviations General InformationPin Signal PIN ConnectorHot Key Operation and AdjustmentControl Panel Key Process Adjustment Procedure OSD Functions Adjust the width horizontal size of the screen imageSelf Diagnosis Standard Check point Alignment ProcedureAbnormal mode detect Troubleshooting HintsTrouble in Power on No Raster One color is missing One color is missingNo Video Black Power Problem Mainbord Control Block DiagramPCB Layout Control PCB Component Side Page Schematic Diagram Smps Section Exploded View & Mechanical Parts List Information of Part Description Important Safety NoticePART-NAME PART-DESC Electrical Parts ListLine Across FB2 Carbon Film