Samsung 203B service manual Contents

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Contents

1. Precautions ………………………………………………………………………………………………………………………………………1-1

1-1 Safety Precautions ……………………………………………………………………………………………………………………… 1-1

1-2 Servicing Precautions …………………………………………………………………………………………………………………… 1-2

1-3 Electrostatically Sensitive Devices (ESD) Precautions ……………………………………………………………………………… 1-2

1-4 Installation Precautions ………………………………………………………………………………………………………………… 1-3

2.Product specifications …………………………………………………………………………………………………………………………2-12-1 Fashion Feature…………………………………………………………………………………………………………………………… 2-1 2-2 Specifications ……………………………………………………………………………………………………………………………… 2-1 2-3 LS20BRD feature ………………………………………………………………………………………………………………………… 2-2 2-4 Spec Comparison ………………………………………………………………………………………………………………………… 2-3 2-5 Option Specification ……………………………………………………………………………………………………………………… 2-4

3.Alignments and Adjustments …………………………………………………………………………………………………………………3-1

3-1 Required Equipment …………………………………………………………………………………………………………………… 3-1

3-2 Automatic Color Adjustment …………………………………………………………………………………………………………… 3-1

3-3 DDC EDID Data Input …………………………………………………………………………………………………………………… 3-1

3-4 Service Function Spec. ………………………………………………………………………………………………………………… 3-2

3-5 Hidden Key list …………………………………………………………………………………………………………………………… 3-3

3-6 EDID Installation with Windows Program ………………………………………………………………………………………………3-4

3-7 Execution Items after replacing the main board ………………………………………………………………………………………3-4

4.Troubleshooting …………………………………………………………………………………………………………………………………4-14-1 No Power ……………………………………………………………………………………………………………………………………4-1 4-2 No Video (PC Analog Signal) …………………………………………………………………………………………………………… 4-3 4-3 No Video (PC Digital Signal) …………………………………………………………………………………………………………… 4-5

5.Exploded View and Parts List ………………………………………………………………………………………………………………5-1

5-1 LHA20BS Exploded View ……………………………………………………………………………………………………………… 5-1

5-2 LHA20BS Parts List ……………………………………………………………………………………………………………………… 5-2

6.Electrical Parts List ……………………………………………………………………………………………………………………………6-16-1 LHA20BS Parts List ……………………………………………………………………………………………………………………… 6-1

7.Block Diagram …………………………………………………………………………………………………………………………………7-1

8.Wiring Diagram ……………8-1

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Contents LCD-Monitor Trademarks CopyrightContents Front …………………………………………………………………………………………………………………………………… Page MagicBright button Adjust buttonsFront Menu buttonPower button RearAuto button Page Removing the base Using the StandMonitor Mounting interface pad Attaching a BaseMemo Back cover open JIG BH81-00001A DisassemblyDescription Picture Description Reassembly 11-4 Block description Circuit DescriptionsMicom Block operatingTechnical Terms Horizontal Frequency ResolutionDot Pitch Vertical FrequencyConnecting the Monitor Sync Type Pin AssignmentsTiming Chart ModeTiming Preset Timing Modes Vendor P/N Panel Description14-8 14-9 14-10 Specifications Fashion FeatureFeature Operating method Auto Auto LS20BRD featureModel Spec ComparisonOption Specification Item NameRemark No Power TroubleshootingWaveforms No Video PC Analog Signal Waveforms No Video PC Digital Signal Waveforms LS20HABKSQ/XAA Exploded ViewROUND Simple Exploded View and Parts ListCODE-NO Specification & Description QTY SA/SNA Remark LHA20BSLS20HABESQ/EDC Exploded ViewSLIDING has COVER-REARS/M 203B,HIPS,HB,BK24,HAS Electrical Parts List Electrical Parts List Level Loc. No Code No Micom QSG LS20HABESQ/EDC Parts list Sliding has D230 2007-000082 C310 Assy BOXLS20HABESQ/EDC Wiring Diagram Memo Schematic Diagrams1 Schematic DiagramsSchematic Diagrams +3.3VARPLL Dgnd Schematic Diagrams2Schematic Diagrams
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