MTX Audio SW2 owner manual Important Safety Instructions, In Case Of Trouble, Problem, Diagnosis

IMPORTANT SAFETY INSTRUCTIONS

IN CASE OF TROUBLE

1. Read Instructions – All the safety and operating instructions should be read before the product is opened.

2. Retain Instructions – The safety and operating instructions should be retained for future reference.

3. Heed Warnings – All warnings on the product

Do not defeat the safety purpose of the polarized plug.

13. Power-Cord Protection – Power-supply cords

should be routed so that they are not likely to be

walked on or pinched by items placed upon or

against them, paying particular attention to cords

at plugs, convenience receptacles, and the point

where they exit from the product.

Your new subwoofer, once set-up and adjusted, should give you years of listening enjoyment with your favorite movies and music. However, if you should experience a problem with your unit, the following chart should help you locate the trouble:

and in the operating instructions should be adhered to.

4. Follow Instructions – All operating and use instructions should be followed.

5. Cleaning – Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.

Exception: A product that is meant for uninterrupted service and that for some specific reason, such as the possibility of the loss of an authorization code for a CATV Converter, is not intended to be unplugged by the user for cleaning or any other purpose, may exclude the reference to unplugging the product in the product in the cleaning description otherwise required in above 5).

6. Attachments – Do not use attachments not recommended by the product manufacturer as they may cause hazards.

7. Water and Moisture – Do not use this product near water – for example, near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like.

8. Accessories – Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a

15. Outdoor Antenna Grounding – If cable

system is connected to the product, be sure the

cable system is grounded so as to provide some

protection against voltage surges and built-up static

charges.

16. Lightning – For added protection for this

product during a lightning storm, or when it is left

unattended and unused for long periods of time,

unplug it from the wall outlet and disconnect the

antenna or cable system. This will prevent damage

to the product due to lightning and power-line

surges.

17. Overloading – Do not overload wall outlets,

extension cords, or integral convenience

receptacles as this can result in a risk of fire or

electric shock.

18. Object and Liquid Entry – Never push objects

of any kind into this product through openings as

they may touch dangerous voltage points or short-

out parts that could result in a fire or electric shock.

Never spill liquid of any kind on the product.

19. Servicing – Do not attempt to service this

product yourself as opening or removing covers

may expose you to dangerous voltage or other

hazards. Refer all servicing to qualified service

personnel.

20.a) When the power-supply cord or plug is

Problem

1)Subwoofer makes loud noise at turn-on.

2)Subwoofer has no output.

a)Status LED off

b)Red light on

c)Green light on

3)Subwoofer has little output.

Diagnosis

A)Muting circuit is defective. Return unit for repair.

A)Line cord is not plugged in.

B)Line fuse is blown. Unplug line cord from wall outlet,then check fuse.

C)Internal fuse is blown. Return unit for repair.

A)No signal is reaching the unit. Check connections from receiver or preamplifier.

B)Power switch is turned off. Place switch to “stand by” or “on” mode.

A)Signal is present, but input level control is set at minimum.

A)Input level control is set too low.

B)If using high level inputs, right and left channels are connected out of phase. Check wiring.

child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or

sold with the product. Any mounting of the product should follow the manufacturer’s instructions, and should use a mounting accessory recommended by the manufacturer.

9. A product and cart combination should be

moved with care. Quick stop, excessive force, and

uneven surfaces may cause the product and cart

combination to overturn.

10. Ventilation – Slots and openings in the cabinet

are provided for ventilation and to ensure reliable

operation of the product and to protect it from

overheating, and these openings must not be

blocked or covered. The openings should never be

blocked by placing the product on a bed, sofa, rug

or other similar surface. This product should not be

placed in a built-in installation such as a bookcase

or rack unless proper ventilation is provided or the

manufacturer’s instructions have been adhered to.

11. Power Sources – This product should be

operated only from the type of power source

indicated on the marking label. If you are not sure

of the type of power supply to your home, consult

your product dealer or local power company. For

products intended to operate from battery power, or

other sources, refer to the operating instructions.

12. Grounding or Polarization – This product may

be equipped with a polarized alternating-current

line plug (a plug having one blade wider than the

other). This plug will fit into the power outlet only

one way. This is a safety feature. If you are unable

to insert the plug fully into the outlet, try reversing

the plug. If the plug should still fail to fit, contact

your electrician to replace your obsolete outlet.

damaged.

b) If liquid has been spilled, or objects have

fallen into the product.

c) If the product has been exposed to rain or

water.

d) If the product does not operate normally by

following the operating instructions. Adjust

only those controls that are covered by

the operating instructions as an improper

adjustment of other controls may result in

damage and will often require extensive

work by a qualified technician to restore the

product to its normal operation.

e) If the product has been dropped or damaged

in any way.

21.Replacement Parts – When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.

22.Safety Check – Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition.

23.Wall or Ceiling Mounting – The product should be mounted to a wall or ceiling only as recommended by the manufacturer.

24.Heat – The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.

4)Subwoofer output is distorted at high volume.

5)Subwoofer output is distorted at low volume.

6)Subwoofer makes hum or buzzing noises.

A)Volume of subwoofer is too high, causing amplifier to be over driven. Reduce setting of input level control.

B)Signal from receiver, amplifier, or preamplifier is distorted from being over driven. Reduce main system volume or bass tone control.

C)Subwoofer electronics are defective. Return unit for repair.

A)Signal from receiver, amplifier, or preamplifier is distorted from defective electronics.

B)Signal connecting wires to subwoofer are shorted. Check wiring.

C)Subwoofer electronics are defective. Return unit for repair.

A)Grounding problem or ground loop condition. Check wiring.

B)Isolate problem by removing all connecting cables and turning up subwoofer input level control. If noise is still present, subwoofer electronics are defective. Return unit for repair.

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