Deaf Bonce MFA-1.1000 소유자 매뉴얼 - 페이지 10

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8 . P O S S I B L E F A U L T S A N D T H E I R S O L U T I O N S

Deaf Bonce ampliﬁers are high-quality and technically perfect products. The problems often arise due to improper use, faulty

connection of components or lack of power supply of the on-board network.

1) The ampliﬁer does not turn on.

Problem solution: Check all the contacts and the presence of 9-15 V at the ampliﬁer terminals. Check whether the control input

of the ampliﬁer "REM IN" receives the positive potential of +12 V.

2) Power turns on, but goes into protection (protection indicator lights up)

Problem solution: Check if there is a short circuit (fault) on the ampliﬁer output which is connected to the speakers or

subwoofers. Make sure that commutation of the voice coils of the subwoofer is correct. The rated impedance of the voice coils

should not be lower than the permissible rated load impedance of the ampliﬁer. Check the supply voltage of the ampliﬁer. It must

be within the range of 9-15 V.

3) The ampliﬁer turns on but at a high volume it goes in to protection. Problem solution: The ampliﬁer may lack power. Make

sure that the rated current of the alternator and the battery capacity is enough to power this ampliﬁer.

Check the ampliﬁer for overheating. Check the load impedance.

4) The ampliﬁer is turned on, but there is no sound from the speakers or subwoofer.

Problem solution: Check the connection of the ampliﬁer, the integrity of the interconnecting cable, HU, the speakers or the

subwoofer.

9 . B O X c o n t e n t s

1. Ampliﬁer – 1 pc.

2. Owner's manual – 1 pc.

3. Warranty card – 1 pc.

4. Remote control – 1 pc.

5. Mounting кit – 1 pc.

8 . W A R R A N T Y P E R I O D , A F T E R - S A L E S S E R V I C E A N D S E R V I C E L I F E

I N F O R M AT I O N

Each Deaf Bonce product is warranted to be free from defects in materials and workmanship under normal use and service.

The warranty period for the product is 12 (twelve) months from the date on which the product is transferred to the consumer

(this date shall be deemed to be the date on which the consumer starts using the product).

During the warranty period, defective parts will be repaired or replaced at the discretion of the manufacturer provided that

there are grounds for doing so under the laws of the consumer's country. The defective product must be returned to the dealer

from whom it was purchased together with the duly ﬁlled out warranty certiﬁcate, complete, with original packaging.

Our company shall not be liable for any damage caused by transportation. Our company shall not be liable for any expenses

or lost proﬁts arising out of or in connection with the use or inability to use the product or any other incidental or indirect costs,

expenses, or damages incurred by the customer. The warranty is valid in accordance with the laws currently in force. For more

information, please visit our company website and refer to the warranty card.

The manufacturer reserves the right to change the design and speciﬁcation of the product without prior notice.

The service life of the product is 12 (twelve) months from the date on which the product is transferred to the consumer (this

date shall be deemed to be the date on which the consumer starts using the product).

The product or any part (component) of the product must not be used in any way (including, but not limited to use for

intended or any other purpose, transportation, storage, modiﬁcation/alteration/improvement/upgrade) after the expiry of the

service life.

At the end of its service life, the product must be disposed of.

1 1 . I N F O R M A T I O N O N D I S P O S A L O F T H E E L E C T R I C A L A N D

E L E C T R O N I C E Q U I P M E N T ( F O R T H E E U R O P E A N C O U N T R I E S W I T H

S E P A R A T E W A S T E C O L L E C T I O N )

MFA-1.500

MFA-1.800

MFA-1.1000

MFA-1.1500

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