Audio2000's AKJ7003 Owner'S Manual Download Page 15

When  the  set  gets  dirty,  wipe  with  a  soft,  dry  cloth.  If
the  set  is  extremely  dirty,  soak  a  soft  cloth  in  a  5  to  6%
solution  of  dishwashing  detergent  to  water,wring  it
tightly,  wipe  the  dirt  away,  and  finally  wipe  the  set  with
a  dry  cloth.

Never  use  alcohol,  thinner,  benzine,  insecticide  or  other
volatile  agents,  as  they  may  damage  the  surface  paint
or  gloss  of  the  set.
Also  do  not  wipe  the  set  with  a  chemical  cloth  or  leave 
it  on  the  set  for  a  long  period,  as  the  surface  finish  may 
be  damaged  or  the  paint  may  be  stripped  off.

    Should  problems  occur,  they  are,  in  many  cases,  due  to            If  the  problem  cannot  be  remedied  after  the  following
    simple  operation  mistakes  or  the  like.  On  the  basis  of                  checks,  please  consult  your  dealer.
    the  following  checks,  you  will  be  able  to  rectify  a 
    number  of  problems  yourself  without  difficulty.

The  karaoke  performance  you  enjoy  may  be  disturbing  noise  to  others.When  performing  karaoke,be  sure  to  be 
considerate  of  your  neighbors.
The  volume  of  karaoke  is  at  your  command.  Remember  that  even  small  sounds  transmit  very  well  in  the  quiet  night. 
Be  specially  careful  in  karaoke  performance  at  night.it  is  recommended  to  close  the  windows  to  avoid  sound 
leakages  to  the  neighbors.Avoid  noise  pollution  to  protect  the  comfortable  living  environment  of  those  around  you.

ETIQUETTE  OF  SOUND

MAINTENANCE

TROUBLESHOOTING

TROUBLESHOOTING

Bad  cable  or  poor  contact.

Make  sure  that  all  cables  are  not  damaged  and  all 
contact  points  are  proper. 

No  microp-
hone  sound

The  microphone  cable  is  not  plugged  into  the 
microphone  input  jack  properly.

Make  sure  the  microphone  cable  is  plugged  into  the 
microphone  jack  properly.

The  switch  on  the  microphone  is  set  to  “OFF”.

Set  the  switch  on  the  microphone  to  “ON”.

The  corresponding  INDIVIDUAL  MIC  VOLUME  control  or  the 
MASTER  MIC  VOLUME  control  is  in  the  minimum  position.

Adjust  the  volume  control.

A  condenser  microphone  is  used.

Change  the  condenser  microphone  to  a  dynamic  microp-
hone  or  a  condenser  microphone  accepting  battery  power.

Humming 
noise

Grounding  problems  between  two  adjacent  equipments.

Try  to  use  an  isolator  to  remove  the  grounding  problems.

PROBLEM

POSSIBLE  CAUSES

SOLUTIONS

No  power

Power  is  off.

Turn  on  the  mixing  amplifier.

AC  power  cord  is  unplugged.

Plug  the  AC  power  cord  to  an  AC  power  outlet  (120V).

The  fuse  inside  the  transformer  is  open.

Send  the  mixing  amplifier  to  an  authorized  service  center.

One  side 
no  sound

One  bad  RCA  cable  or  one  poor  RCA  contact.

Make  sure  that  all  RCA  cables  are  not  damaged  and  all 
RCA  contact  points  are  proper.

One  bad  speaker  cable  or  one  poor  speaker 
connector  contact.

Make  sure  that  all  speaker  cables  are  not  damaged  and 
all  speaker  cable  contact  points  are  proper.

One  U-shaped  connector  is  not  inserted  into  the 
music  effect  jacks  or  one  U-shaped  connector  is  not 
properly  inserted.

Make  sure  all  the  U-shaped  connectors  are  properly 
inserted.

Distorted 
sound

The  electrical  signal  from  the  output  of  the  player  to 
the  mixing  amplifier  is  over  the  limit  of  the  input  of 
the  mixing  amplifier.

Turn  down  the  master  volume  control  of  the  player  and 
turn  up  the  volume  control  of  the  mixing  amplifier  to 
maintain  the  same  sound  level.

Incorrect  AC  Voltage  (The  AC  power  cord  is  plugged 
to  a  240V  outlet  or  to  an  unstable  120V  outlet).

Make  sure  the  AC  power  cord  is  plugged  to  an  AC  power 
outlet  with  a  correct  and  stable  AC  voltage.

No  sound

Incorrect  input  selection.

Make  sure  the  input  source  selection  button  is  set  correctly.

Music  volume  control  knob  is  turned  all  the  way  down 
(zero  sound  output).

Turn  the  music  volume  knob  to  a  position  that  the 
sound  level  is  desired.

Both  U-shaped  connectors  are  not  inserted  into  the 
music  effect  jacks  or  not  properly  inserted.

Make  sure  all  the  U-shaped  connectors  are  properly 
inserted.

13

Summary of Contents for AKJ7003

Page 1: ...onal Karaoke Mixing Amplifier with Digital Echo Key Controls Thank you for purchasing the Audio2000 S To achieve maximum performance from your new unit please read this manual thoroughly and retain it for future reference For more information please visit our website www audio2000s com Professional Karaoke Mixing Amplifier with Digital Echo Key Controls R 0 Professional Karaoke Mixing Amplifier wi...

Page 2: ...CAUTIONS MAINTENANCE TROUBLESHOOTING ETIQUETTE OF SOUND SPECIFICATIONS SERVICE INFORMATION IMPORTANT For your protection please read these instructions completely and keep this manual for future reference Carefully observe and comply with all warnings cautions and instructions placed on the equipment or described in the operations instructions to guard against injury TABLE CONTENTS 1 3 3 3 4 6 8 9...

Page 3: ...ating and maintenance servicing instructions in the literature accompanying the appliance CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT ATTENTION POUR EVlTER LES CHOCS ELECTRIQUES INTRODUlRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPON DANTE DE LA PRISE ET POUSSER JUSQU AU FOND CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR B...

Page 4: ...d away from heat sources such as radiators heat registers stoves or other appliances including amplifiers that produce heat 11 Power Sources The appliance should be con nected to a power supply only of the type des cribed in the operating instructions or as mar ked on the appliance 12 Grounding or Polarization The precautions that should be taken so that the grounding or pola rization means of an ...

Page 5: ... Power consumption of AC power outlets Be careful that the total power consumption does not exceed the wattage marked on the rear panel Do not connect other appliances than the system components to the power outlets of this unit Do not connect a TV set to this unit even if the power consumption value marked on a TV set is below the permissible limit of this unit A larger current than the permissib...

Page 6: ...rol knob is used to control the MIC1 audio high frequency band centered at around 6 5K Hz 10 MIC2 This is the microphone 2 u 11 MIC3 3 The MIC2 and MIC3 input jacks share the same control channel 12 20dB GAIN Press this 20dB GAIN button to the MIC2 and MIC3 microphone audio levels by 20 dB 13 PEAK This PEAK LED indicator is used to indicate that the MIC2 and MIC3 input audio levels exceed a preset...

Page 7: ...el is lowered When this knob is turned counter clockwise the music audio level allocated to the left channel is raised while the music audio level allocated to the right channel is lowered 28 LOW This LOW control knob is used to control the music audio low frequency band centered at around 150 Hz 29 MID This MID control knob is used to control the music audio mid frequency band centered at around ...

Page 8: ...lf of its original impedance 5 KEY CONTROLLER This KEY CONTROLLER 3 5mm input jack is to be connected to some special equipment such as a key control microphone 6 VOLUME RESET When this VOLUME RESET is switched to the OFF position both the MIC MASTER VOLUME knob and the MUSIC MASTER VOLUME knob will stay where they are after the main power is turned on after the power on process When this VOLUME R...

Page 9: ...is not used check to make sure that two U shaped connectors are connected from the OUT jacks to the IN jacks The top U shaped connector is to be connected from the white OUT jack to the white IN jack The bottom U shaped connector is to be connected from the red OUT jack to the red IN jack If a sound effecter is to be placed in between the OUT jacks and the IN jacks the U shaped connectors need to ...

Page 10: ...t the red RCA plug into the red RCA jack and the white or black RCA plug into the white RCA jack Caution Turn off the AKJ7003 power when connecting the speaker cables to the speaker output terminals on the AKJ7003 Before turning on the AKJ7003 make sure that any metal part or copper wire of one speaker cable is NOT IN CONTACT with any metal part or copper wire of another speaker cable White Left R...

Page 11: ...S VCD CD DVD SPEAKER LEFT SPEAKER RIGHT Sound Effector To OUT To IN Display Device Display Device Mic with Remote Key Control To To OUT Equalizer OUT To To IN IN To OUT To IN 9 Sound Effector Score Machine Mixer Amp 1 0 ...

Page 12: ... Adjust the individual microphone echo volume by adjusting the echo volume control knobs in the MIC1 and MIC2 3 channels 9 Press the KEY CONTROL button to set the desired key Notes for Proper Use of a Microphone Hold a microphone to have the top of its windscreen 1 to 2 inches away from your mouth To get the best pickup result point the microphone toward your mouth To ensure a clear vocal output d...

Page 13: ...battery or dispose of it in fire Some batteries are rechargeable and some are not Check the indication on each battery well b t 1 f A ou 6 t 1 Push the tab and remove the battery cover 2 Insert batteries with correct positive and negative polarities AAA batteries X 2 3 Push the cover close until it clicks Remote control unit MUSIC VOL MUSIC VOL MIC MASTER VOLUME MIC MASTER VOLUME b LOW NATURAL HIG...

Page 14: ...components in which large current flows when the power is switched on such as a TV cannot be connected to such an AC outlet unless it has been designed to accept the connection of a TV set Do not insert or drop metallic objects such as a hairpin nail and coin or flammable objects such as paper and matches through the ventilation holes or other openings on the unit for this will cause malfunction o...

Page 15: ...MASTER MIC VOLUME control is in the minimum position Adjust the volume control A condenser microphone is used Change the condenser microphone to a dynamic microp hone or a condenser microphone accepting battery power Humming noise Grounding problems between two adjacent equipments Try to use an isolator to remove the grounding problems PROBLEM POSSIBLE CAUSES SOLUTIONS No power Power is off Turn o...

Page 16: ...ontrol Range 9 steps Video Input Jacks Sensitivity Input Impedance 1Vp p 75Ω Video Output Jacks Output level Output Impedance 1Vp p 75Ω Effect Loop Jacks Output level Input Sensitivity 500mVp p 4 7kΩ MIC Output 1Vp p 4 7kΩ REC Output 1Vp p 4 7kΩ LINE Output 2Vp p 4 7kΩ Power Supply etc Supply Voltage AC 115V 230V 60Hz 50Hz Power Consumption 400W Dimensions W X H X D 16 5 X 5 4 X 14 6 Weight 14 3 A...

Page 17: ... carton Also enclose a note describing the problem along with any other helpful information such as where and how the unit was used LIMITED WARRANTY H F Technologies Incorporated H F hereby warrants that Audio2000 S products will be free from defects in material and workmanship for a period of 1 one year from date of purchase At its option H F will repair or replace the defective product and promp...

Reviews: