Yamaha YHT-693 Owner's Manual

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Yamaha YHT-693 Owner's Manual Manual pdf 70 page image

En 70APPENDIXRefer to the table below when this unit does not function properly.If the problem you are experiencing is not listed below, or if the instructions below do not help, turn off this unit, disconnect the power cable, and contact the nearest authorized Yamaha dealer or servicecenter.GeneralTroubleshootingProblem Cause Remedy SeepageThe power will notturn on.The protection circuitry operated3 times consecutively.As a safety precaution, when the protectioncircuitry operates 3 times consecutively, thecapability to turn on the power is disabled.Please contact your nearest Yamaha dealeror service center to request repair.—The unit entersstandby mode soonafter the power isturned on.The power cable is not completelyinserted.Connect the power cable properly to an ACwall outlet.—(When this unit is turned back onand “CHECK SP WIRES!” isdisplayed.) The protectioncircuitry has been activatedbecause this unit was turned onwhile a speaker cable was shorted.Make sure that all speaker cables betweenthis unit and speakers are connectedproperly.12This unit cannot beturned off or doesnot work properly.The internal microcomputer ishung-up due to an external electricshock (such as lightning orexcessive static electricity) or by adrop in power supply voltage.Disconnect the power cable from the ACwall outlet, wait about 30 seconds and thenplug it in again.—The batteries in the remote controlmay have lost their charge.Replace all batteries. 4The unit entersstandby mode.The protection circuitry has beenactivated because of a short circuit,etc.Check that the speaker with an impedanceof at least 6Ω.—(U.S.A. and Canada models)Check that the speaker impedance settingsare correct.12After display of acountdown on thefront panel, the unitgoes into standbymode.If you do not use take any action,the Auto Power Down functionoperates.Turn on the unit, and play the source again. —In the Setup menu “AutoPowerDown”(“Func. Setup” → “AutoPowerDown”),increase the time until switching to standbymode, or turn off the Auto Power Downfunction.58Sound/imagessuddenly go off.The protection circuitry has beenactivated because of a short circuit,etc.Check that the speaker wires are nottouching each other, then turn the unit backon.—The sleep timer has turned off theunit.Turn on the unit, and play the source again. —Problem Cause Remedy Seepage