Yamaha YST-SW150/80 SPECIFICATIONS, TROUBLESHOOTING, Type, Type, CAUSE, REMEDY, Filter, Filter, SYMPTOM, No sound, High-Cut, YST-SW80, High-Cut, YST-SW150, Power Supply

TROUBLESHOOTING

If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help.

SYMPTOM	CAUSE	REMEDY
Power is not supplied even though the	The power plug is not securely connected.	Connect it securely.
POWER switch is ON.
No sound .	The VOLUME control is set to 0.	Turn the VOLUME control to right.
	Speaker cables are not connected securely.	Connect them securely.
Sound level is too low.	Speaker cables are connected incorrectly.	Connect them correctly, that is to say L (left)
		to L, R (right) to R, “+” to “+” and “–” to “–”.
	Setting of the PHASE switch is not proper.	Set the switch to the other position.
	A source sound with few bass frequencies is	Play a source sound with bass frequencies.
	played.	Set the HIGH CUT control to a higher
		position. (Turn the knob to right.)
	It is influenced by standing waves.	Re-position the subwoofer or break up the
		parallel surface by placing bookshelves etc.
		along the walls.

SPECIFICATIONS

YST-SW150
Type .....................	Active Servo Processing Subwoofer System		Power Consumption........................................................	130W
Speaker Unit ...................	20 cm (7-7/8”) cone woofer (JA2156)		Dimensions (W x H x D) .............	252 mm x 620 mm x 418 mm
Amplifier Output		magnetic-shield type x 2	Weight ......................................................	(9-15/16” x 24-7/16” x 16-7/16”)
	120W/5 ohms	18 kg (39 lbs. 10 oz.)
High-Cut Filter...............................		40 Hz–140 Hz (–24 dB/oct.)
Frequency Response ..........................		20 Hz–160 Hz (–10 dB)
Power Supply			* Please note that all specifications are subject to change
U.S.A. and Canada models........................		AC 120V, 60 Hz	without notice.
Australia model ..........................................		AC 240V, 50 Hz
U.K. and Europe models............................		AC 230V, 50 Hz
General model	..................AC 110/120/220/240V, 50/60 Hz
YST-SW80
Type .....................	Active Servo Processing Subwoofer System		Power Consumption........................................................	100W
Speaker Unit ...................	20 cm (7-7/8”) cone woofer (JA2157)		Dimensions (W x H x D) .............	252 mm x 485 mm x 366 mm
Amplifier Output		magnetic-shield type	Weight .....................................................	(9-15/16” x 19-1/8” x 14-7/16”)
	85W/5 ohms	12.3 kg (27 lbs. 1 oz.)
High-Cut Filter...............................		50 Hz–150 Hz (–24 dB/oct.)
Frequency Response ..........................		23 Hz–170 Hz (–10 dB)
Power Supply			* Please note that all specifications are subject to change
U.S.A. and Canada models........................		AC 120V, 60 Hz	without notice.
Australia model ..........................................		AC 240V, 50 Hz
U.K. and Europe models............................		AC 230V, 50 Hz
General model	..................AC 110/120/220/240V, 50/60 Hz

YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A.

YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA

YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, F.R. OF GERMANY

YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND

YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA

VT 52880 Printed in Malaysia