Samsung 205BW service manual Troubleshooting, No Power

Page 28

4 Troubleshooting

4 Troubleshooting

4-1 No Power

There is no light in the power indicator.

Does proper DC 14 V

1appear at Pin 1,2,5

of CN600?

Yes

Does proper DC 5V

2appear at Output of

IC302?

Yes

No

No

Check the IP Board.

Check the IC302

		Does proper DC 3.3V		No
		appear at
	3
	3
		Pin 3 of the IC600?
		Pin 3 of the IC600?
			Yes
			Yes

		Does proper DC 1.8V		No
	4	appear at		No

Pin 2 of the IC602?

Yes

Check the IC600.

Check the IC602.

Check IC200 and IC301.

4-1

Image 28

Contents SERVICEManual Copyright TrademarksContents Front …………………………………………………………………………………………………………………………………… Page Adjust buttons FrontMenu button MagicBright buttonRear Power buttonAuto button Page Using the Stand Removing the baseAttaching a Base Monitor Mounting interface padMemo PCB Diagram Memo Disassembly and Reassembly DisassemblyReassembly Circuit Descriptions Block descriptionBlock operating MicomReference Infomation Technical TermsResolution Dot PitchVertical Frequency Horizontal FrequencyConnecting the Monitor Pin Assignments Sync TypeMode Timing ChartTiming Preset Timing Modes Panel Description Vendor P/N14-8 14-9 14-10 Troubleshooting No PowerWaveforms No Video PC Analog Signal Waveforms No Video PC Digital Signal Waveforms Alignments and Adjustments Automatic Color AdjustmentRequired Equipment DDC Edid Data InputService Function Spec How to Display Service Function OSDHidden Key list Function Action methodDDC Input MethodWindows Program Execution Items after replacing the main board After Replacing the Maing BoardMemo Electrical Parts List LS20HAWCSZ/EDC Parts ListHdcp Level Loc. No Code No Electrical Parts List C201 Micom BOX Memo Block Diagram Block Diagrams Wiring Diagram Memo Precautions Safety PrecautionsServicing Precautions Electrostatically Sensitive Devices ESD PrecautionsInstallation Precautions Memo

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