JBL SYN 3 Owner's Manual

Also see for S2A: Quickspecs

Contents

JBL SYN 3 Owner's Manual Manual pdf 18 page image

16Symptom Probable Cause SolutionNo sound coming • Amplifier not turned on • Turn on amplifierfrom speaker • Amplifier gain is low • Make sure that there is• Correct source not amplifier gain for thatselected or turned on channel• Defective patchcords to • Select proper sourceamplifier • Check/replace patch cords• Speaker wires not • Check speaker wireconnected to amplifier connection to amplifierCinema drivers are not • Loose din cables between • Check that din cable isturning on in cinema mode speakers and power connected betweensequencer speakers and power• Loose din cables between sequencerpower sequencer and • Check that din cable issurround processor connected between power• Defective din cables sequencer and surround• Relays in speakers not processorswitching • Check/replace din cablesBass is very weak • Subwoofers are wired out • Make sure that positiveof phase terminals on the• Subwoofers have not subwoofers go to thebeen placed optimally positive terminals on theamplifiers (red) and do thesame for the negatives• Experiment with differentlocationsPoor or smeared imaging • Poor room acoustics • Use absorptive materials• Poor program source to minimize early• Improper polarity reflections• Check another programsource• Aim speakers at listeningarea, check polarityIndistinct dialog • Slap echoes • Add absorption or• Miscalibration of center diffusion materialschannel output level • Check output levels ofsurround processorUneven surround coverage • Poor speaker placement, • Place surroundsstrong reflections according to THX spec• Excessive absorption near • Add absorption and/orsurrounds diffusion materials• Remove absorptivematerial to providesurround reflectionsTROUBLESHOOTING

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