Manuals / EAW / Home Audio / Speaker

EAW D S A 2 5 0, D S A 2 3 0 8 . 2 T r o u b l e s h o o t i n g, DSA250 Only, DSA250 and DSA230

Models: D S A 2 3 0 D S A 2 5 0

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8 . 2 T r o u b l e s h o o t i n g

This troubleshooting table addresses some common faults. For other difficulties not listed, contact the EAW Service Department.

SYMPTOM	POSSIBLE CAUSE	SOLUTION
DSA250 Only:
No HF output	Failed internal component	Loudspeaker needs service.
No HF output from one	Failed internal component	Loudspeaker needs service.
or more drivers
DSA250 and DSA230:
Loudspeakers connected within a	Supplied Link Cable is faulty	Check link cable for proper operation
cluster by the Signal Link jacks		and ensure the RJ-45 connectors are
do not function		fully engaged when inserted.
Loudspeakers connected within	User-supplied link cable is	Ensure link cable is wired as a
a cluster by the Signal Link jacks	incorrect	standard Ethernet crossover cable
do not function		and is less than 2 ft / 0.6 m long
No LF output	Failed internal component	Loudspeaker needs service.
No LF output from one	Failed internal component	Loudspeaker needs service.
or more drivers
No output	Incorrect connections	Check that input cabling to the
		loudspeaker is wired correctly for
		the +/- signal wires and cable shield.
No output	Loudspeaker is off	Check that power is supplied to the
		loudspeaker power cable and that the
		cable is connected to the loudspeaker.
No output	Loudspeaker is off	Check the fuse on the power end
		of the loudspeaker. Replace if
		blown. If the fuse blows again,
		the loudspeaker requires service.
No output	Amplifier is off	Using the DSAPilot, check that
		the power management functions
		are set correctly.
No output	No input signal	Using the DSAPilot monitoring
		function, check that there is signal
		at the input. If not, disconnect
		and check for signal on the audio
		input cable to the loudspeaker.
No or low output	Input level is not set correctly	Using the DSAPilot, check that
		the gains for the input(s) being
		used are set properly.
Coverage is incorrect	Improper set-up	Using the DSAPilot, ensure the
		desired beamwidth and aiming
		angle are correct.
Coverage is incorrect	Loudspeaker upside down	Using the DSAPilot to active the
		loudspeaker’s LED indicator, ensure

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EAW D S A 2 5 0, D S A 2 3 0 owner manual 8 . 2 T r o u b l e s h o o t i n g, DSA250 Only, DSA250 and DSA230

Contents

Page Introduction Chapter 1 Safety InstallationChapter 2 Unpacking Chapter 3 Quick StartChapter 7 Maintenance and Service Chapter 6 OperationChapter 8 Appendices Chapter 9 Mechanical DrawingsIntroduction Safety Chapter1 . 2 . 1 G E N E R A L P R E C A U T I O N S Unpacking 2 . 2 S h i p p i n g D a m a g e2 . 3 R e t u r n i n g P r o d u c t s t o E AW Chapter3 . 1 D e s c r i p t i o n 3 . 2 A u d i o S i g n a l Co n n e c t i o nB e t w e e n L o u d s p e a k e r s Quick StartFigure 3.4b Signal Links 2 ft / 0.6 m Figure 3.5 Connecting AC MainsFigure 3.6 Signal End / Power End 3 . 5 AC M a i n s I n s t a l l a t i o nFigure 3.6.2b Installed Bracket S i g n a l P r o c e s s i n gFigure 3.7 DSAPilot Main Screen 4 . 1 S y s t e m O ve r v i e w DescriptionChapter Figure 4.1.4 DSA Block Diagrams F e a t u r e sE L E C T R I C A L B E N E F I T S 4 . 2 . 1 A C O U S T I C A L4 . 3 A p p l i c a t i o n s 4 . 2 . 5 P H Y S I C A L4 . 4 E n g i n e e r i n g D e s i g n Figure 4.4a Angled Radiation Pattern4 . 5 D S A P i l o t 4 . 6 L o w Fr e q u e n c y Pe r f o r m a n c eInstallation 4 . 8 D e s i g n i n g D S A S y s t e m sFigure 5.1.1 Cable Channels Basic electrical installation tasks includeCrossover Cable Wiring Figure 5.1.3 EIA-485ConnectorFigure 5.1.2 Audio A & Audio B Figure 5.1.4 Linking 1 ft / 0.3 mFigure 5.1.5 Linking 2 ft / 0.6 m LIFT5 . 2 . 1 D E S C R I P T I O N Figure 5.2.3 Basic CobraNet Diagram See Installation Instructions with Card5 . 2 . 4 C A B L I N G 5 . 2 . 6 LO U D S P E A K E R I N T E R FA C EFigure 5.3.2 PowerCon Plug 5 . 3 A C M a i n s P o w e r C o n n e c t i o nFigure 5.3.3 Connecting AC Mains Figure 5.4.2a Ground Lift Switch5 . 4 G r o u n d i n g Figure 5.3.4 Fuse5 . 5 . 1 I N S TA L L AT I O N WA R N I N G S Figure 5.5.3 DSA Cluster Configurations 1A 1B 1CFigure 5.5.4a Wall Mounted 5 . 5 . 4 I N S TA L L AT I O N O P T I O N SFigure 5.5.4b Suspended 5 . 5 . 5 A N G L I N G E N C LO S U R E SHorizontal Rotation Over / Under Enclosures5 . 5 . 6 M O U N T I N G H E I G H T WA L L B R A C K E T I N S TA L L AT I O NFigure 5.5.7a Wall Bracket Spacing Figure 5.5.7b Over-UnderSpacingFigure 5.5.7c Side-By-SideSpacing Critical DimensionsFigure 5.5.8 Enclosure Bracket Installation Figure 5.5.9a Enclosure Installation5 . 5 . 9 E N C LO S U R E I N S TA L L AT I O N Figure 5.5.9b Retainer Bolt Installation Figure 5.5.9c Cable RoutingFigure 5.5.9d Secure the Enclosure Position 1/4-20WELD NUT5 . 6 I n i t i a l S e t - U p Figure 5.6 Identification LEDChapter 6 Operation 6 . 1 . 1 P O W E R M A N A G E M E N T6 . 1 . 2 L E D I N D I C AT O R 6 . 1 . 3 S I G N A L M O N I T O R I N G 6 . 3 N o r m a l O p e r a t i o n 6 . 3 . 1 P O W E R I N G U P6 . 3 . 3 O P E R AT I O N 6 . 4 . 1 E Q UA L I Z AT I O N6 . 4 . 2 M A X I M U M O U T P U T 6 . 4 . 3 F R E Q U E N C Y C O N T E N T7 . 1 W a r r a n t y 7 . 3 H o w t o C o n t a c t E AW7 . 3 . 1 O P E R AT I N G Q U E S T I O N S 7 . 3 . 2 S E R V I C E I N F O R M AT I O NC h a p t e r 8 - A p p e n d i c e s 8 . 1 . 2 P E R F O R M A N C E T E S T I N G8 . 1 . 3 C L E A N I N G 8 . 2 T r o u b l e s h o o t i n g DSA250 OnlyDSA250 and DSA230 EIA-485 CobraNet8 . 3 E I A - 4 8 5 N e t w o r k 8 . 3 . 1 C A B L I N G N O T E S8 . 5 S u p p o r t F o r C o b r a N e t 8 . 3 . 2 T E R M I N AT I O N N O T E SBACK FRONTRIGHT SIDE DSA230DSA250 9 . 2 D S ARIGHT SIDE BACK9 . 3 WA L L B R A C K E T 4.22 in 107.3 mm0.62in 15.8 mm 4.00in 101.5 mm 2.76in 70.0 mm 0.62in 15.8 mmPage P a r t N o . R D 0 0 8 6 D 1 4 M AY