Trends Audio Combo One User Manual Download Page 8

Trends Combo One Hi-Fi System User Guide

Section 9. Troubleshooting / Section 10. Accessories

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If your Trends Combo One is out of order, it may not be very serious. Before you call 
your local distributor or us to repair, you are suggested to check the following:

Symptoms

Possible Reasons

Handling Methods

power cords not properly 
connected

properly connect the power 
cords

cannot power ON
indicator not bright

power switch is OFF

switch ON the power

the volume level is too low

turn volume level higher

the audio cable not properly 
connected

properly connect the audio 
cable

the audio source (e.g. CD 
player) not started playing

start playing the audio 
source

wrong input is selected

check input selection

no sound at all

the speaker cables not 
properly connected

properly connect the 
speaker cables

tube not fully pushed in

insert Tube securely

audio connector plug not fully 

pushed in

insert plug securely

hum

incorrect input switch position

check the corresponding 
input switch

sound out(s) out

loose connection

check input and output 
connections. When all has 

been double-checked 
reduce volume and switch 
unit back on

the Input voltage is very low

Check that the input voltage 
is 120V or 220 V, (specific 

model should be selected, 
not compatible)

The output voltage is 0 V or 
very low

The unit is in current limit 
condition due to overload

caused by large reactive 
loading r by the output being 
short circuited

Check the output terminals
are not shorted. Remove

the load. If the output 
voltage gets restored, the
load is shorted or is offering 
large reactive impedance

AC side fuse blows as soon

as power is turned on.

Unit is defective

Call technical support or by 

email 
[email protected].

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·

3 Pins Power Cord x 1  pcs (IEC plug and another plug with different country 
standards)

·

User Guide x1

·

Warranty Card x1

Trends Combo One Hi-Fi System User Guide

Section 11. Regulatory Compliance / Section 12. Contact Us

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This  device  complies  with  Part  15  of  the  FCC  Rules.  Operation  is  subject  to  the 
following two conditions: 
(1) this device may not cause harmful interference, and 
(2) this device  must accept any interference received, including interference that 

may cause undesired operation. 

Warning: Changes or modifications to this unit not expressly approved by the party 
responsible for compliance could void the user's authority to operate the equipment.

NOTE:  This  equipment  has  been  tested  and  found  to  comply  with  the  limits  for  a 
Class  B  digital  device,  pursuant  to  Part  15  of  the  FCC  Rules.  These  limits  are 
designed  to  provide  reasonable  protection  against  harmful  interference  in  a 
residential  installation.  This  equipment  generates,  uses,  and  can  radiate  radio 
frequency energy and, if not installed and used in accordance with the instructions, 
may cause harmful interference to radio communications.

However,  there  is  no  guarantee  that  interference  will  not  occur  in  a  particular 
installation. If this equipment does cause harmful interference to radio or television 
reception, which can be determined by turning the equipment off and on, the user is 
encouraged  to  try  to  correct  the  interference  by  one  or  more  of  the  following 
measures:
-

Reorient or relocate the receiving antenna.

-

Increase the separation between the equipment and receiver.

-

Connect the  equipment into an outlet on a circuit different from that to which 
the receiver is connected.

-

Consult the dealer or an experienced radio/TV technician for help.

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ITOK Technologies Limited (Trends Audio)

Address : Rm. K, 11/F, Kwun Tong Industrial Centre, Phase 1

472-784 Kwun Tong Road, Kowloon, Hong Kong

Tel

: +852 2304 0730 (9am-6pm, GMT+8:00)

Fax

: +852 2566-5740

Email

[email protected] (Marketing)

[email protected] (Technical Support)

Website : http://www.TrendsAudio.com

Summary of Contents for Combo One

Page 1: ...orrect at the time of going to press but any information specifications products or services mentioned may be modified supplemented or withdrawn without further notice Trademarks Trends Trends Audio a...

Page 2: ...his risk 3 Never use an extension cord unless absolutely necessary If an extension cord must be used make sure that the pins on the plug are the same number size and shape as those of the original pow...

Page 3: ...c circuit design and components of Trends PW 10 PSU applied for different power usage characteristics which perfect match the different applications in high frequency high current digital and or analo...

Page 4: ...Power ON OFF switch pull up to power on and pull down to off 6 Input Selection for CD DAC or PC iPod input The default is CD DAC input Trends Combo One Hi Fi System User Guide Section 5 Overview 8 5 2...

Page 5: ...n 10 5 4 Complete Trends Combo One 6 6 C Co on nn ne ec ct ti io on n a an nd d O Op pe er ra at ti io on n WARNING Before plugging the unit to the AC outlet please check that your local supply voltag...

Page 6: ...922 6N11 6H23n ECC88 E88CC etc and 2 12AU7 5963 5814 ECC82 etc If you change the tube within the same series it needs to re tune the DC bias voltages ONLY If you change the tube from another series it...

Page 7: ...C socket DC Output Socket DC 2 1 socket LED Indicator Main Power Blue TA Green DA UD Green PA Green Power Switch Main Power Front TA Back DA UD Back PA Back Dimensions DxWxH 205mm x 105mm x 55mm Trend...

Page 8: ...country standards User Guide x1 Warranty Card x1 Trends Combo One Hi Fi System User Guide Section 11 Regulatory Compliance Section 12 Contact Us 16 1 11 1 R Re eg gu ul la at to or ry y C Co om mp pl...

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