Samsung DA-E750 - Table of Contents

Contents
Contents
1.Precaution........................................................................................................................................1−1
1.1.SafetyPrecautions...................................................................................................................1−1
1.2.ServicingPrecautions...............................................................................................................1−3
1.3.PrecautionsforElectrostaticallySensitiveDevices(ESDs)..............................................................1−4
2.ProductSpecication.........................................................................................................................2−1
2.1.ProductFeature.......................................................................................................................2−1
2.2.Specications..........................................................................................................................2−3
2.3.SpecicationsAnalysis.............................................................................................................2−5
2.4.Accessories............................................................................................................................2−6
2.4.1.SuppliedAccessories...................................................................................................2−6
3.DisassemblyandReassembly..............................................................................................................3−1
3.1.OverallDisassemblyandReassembly..........................................................................................3−1
4.Troubleshooting................................................................................................................................4−1
4.1.CheckpointsbyErrorMode.......................................................................................................4−1
4.1.1.NoPower...................................................................................................................4−2
4.1.2.NoOutput..................................................................................................................4−3
4.2.MeasurestobetakenwhentheProtectionCircuitoperates...............................................................4−5
4.2.1.OperationofPowerBlockProtectionCircuit....................................................................4−5
4.2.2.PowerProtection.........................................................................................................4−5
4.2.3.CheckAMPinPowerProtection....................................................................................4−6
4.3.Initialization&Update.............................................................................................................4−7
4.3.1.USBUpdateprocedure.................................................................................................4−7
4.3.2.Howtoinitialize..........................................................................................................4−7
5.PCBDiagram...................................................................................................................................5−1
5.1.DA-E750WiringDiagram.........................................................................................................5−1
5.2.DA-E760WiringDiagram.........................................................................................................5−2
5.3.MAINPCBTop......................................................................................................................5−3
5.3.1.PinConnection...........................................................................................................5−4
5.3.2.TestPointWaveForm..................................................................................................5−5
5.4.MAINPCBBottom..................................................................................................................5−6
5.5.SMPSPCBTop.......................................................................................................................5−7
5.6.SMPSPCBBottom..................................................................................................................5−8
5.7.VTPCBTop...........................................................................................................................5−9
5.8.VTPCBBottom......................................................................................................................5−10
5.9.JACKPCBTop.......................................................................................................................5−11
5.10.JACKPCBBottom..................................................................................................................5−12
5.11.REMOTEPCBTop/Bottom.......................................................................................................5−13
5.12.KEYPCBTop........................................................................................................................5−14
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