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14 

Maintenance 
 

The Vision requires almost no maintenance. However, you should keep the unit clean. Disconnect the 
mains power supply, and then wipe the cover with a damp cloth. Do not immerse in liquid.  
Keep connections clean. Disconnect electric power, and then wipe the audio connections with a damp 
cloth. Make sure connections are thoroughly dry before linking equipment or supplying electric power. 
 

Replacing a Fuse 

Power surges, short-circuit or inappropriate electrical power supply may cause a fuse to burn out. If the 
fuse burns out, the product will not function whatsoever. If this happens, 

follow the directions below to do 

so.

 

1.

 Unplug the unit from electric power source. 

2.

 In case of a Vision 1600: 

    Insert a flat-head screwdriver into a slot in the fuse cover. Gently pry up the fuse cover. The fuse will 
    come out. 
    In case of a Vision 2400/ 3500: 
    Insert a screwdriver into the slot in the fuse cover. Turn the screwdriver to the left, at the same  
    time gently push a bit (Turn and Push). The fuse will come out. 

3.

 Remove the broken fuse. If brown or unclear, it is burned out. 

4.

 Insert the replacement fuse into the holder where the old fuse was. Reinsert the fuse cover.  

    Be sure to use a fuse of the same type and specification. See the product specification label  
    for details.

 

 
 

Troubleshooting 

 

Dap Audio Vision 1600, 2400 and 3500 

This troubleshooting guide is meant to help solve simple problems.  
If a problem occurs, carry out the steps below in sequence until a solution is found. Once the unit 
operates properly, do not carry out following steps. 
If the amplifier does not operate properly, refer servicing to a technician. 

1.

 If you experience low output or no output at all, unplug immediately. 

2.

 Check the fuse, power from the wall, all cables etc. 

3.

 If all of the above appears to be O.K., plug the unit in again.

 

4.

 If you are unable to determine the cause of the problem, do not open the amplifier, as this  

    may damage the unit and the warranty will become void. 

5. 

Return the amplifier to your Dap Audio dealer. 

 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for Vision 1600

Page 1: ...Vision mkII Vision 1600 ORDERCODE D4151 Vision 2400 ORDERCODE D4152 Vision 3500 ORDERCODE D4153 ...

Page 2: ... DAP Audio for more excellent audio products We design and manufacture professional audio equipment for the entertainment industry New products are being launched regularly We work hard to keep you our customer satisfied For more information iwant dap audio info You can get some of the best quality best priced products on the market from DAP Audio So next time turn to DAP Audio for more great audi...

Page 3: ...io Vision 1600 2400 3500 Product Guide Warning Safety instructions Operating Determinations Description Features Overview Front panel Overview Back panel Operation Connection Cables Maintenance Replacing the Fuse Troubleshooting Product Specifications ...

Page 4: ...educe the system s life Do not open the device and do not modify the device Do not open this device Risk hazardous radiation exposure Only use system indoor avoid contact with water or other liquids Avoid flames and do not put close to flammable liquids or gases Always disconnect power from the mains when system is not used Only handle the power cord by the plug Never pull out the plug by tugging ...

Page 5: ...use the components are operated at their limits Avoid ground loops Always be sure to connect the power amps and the mixing console to the same electrical circuit to ensure the same phase If system is dropped or struck disconnect mains power supply immediately Have a qualified engineer inspect for safety before operating If the system has been exposed to drastic temperature fluctuation e g after tr...

Page 6: ...5V 1V and 1 4V Bridge parallel or stereo mode 30 Hz Hi pass filter 3 dB 18 dB oct Ground selector Selectable crossover Low pass 150 Hz 18 dB oct Back to front airflow Amplifier has softstart and separate standby power In case of temporary power failure the amplifier has to be restarted by pushing the ON OFF switch again On and off switching eventually happens with relay Vision 3500 This amplifier ...

Page 7: ...w seconds during this time the power amplifier makes an auto test When the LED dims it means the power amplifier is ready to work 3 SIGNAL Indicator The illumination of the LED indicates a safe operation 4 Air vents Don t obstruct or insert objects into air vents 5 Channel 1 Volume Control In stereo mode this potentiometer allows the adjustment of the channel 1 input level left channel In Bridge m...

Page 8: ...tentiometer allows the adjustment of the channel 2 input level Right channel In bridge mode this potentiometer is disabled 10 Handles Handles are used for easy transportation Backpanel Fig 2 11 Channel 1 XLR Input This XLR input is a balanced input Connect this input to the left output of your mixer 12 Channel 1 Link Socket This balanced socket is used to link another amplifier 13 Input Sensitivit...

Page 9: ...sition 22 Channel 2 Speakon Output Connect this Speakon output to a speaker Use connections 1 and 1 23 IEC Power Connector with integrated fuse holder Vision 1600 only 24 High Pass Filter Selector Vision 2400 and Vision 3500 only This switch is used to cut low frequency under 30Hz Put the switch in the ON position when you want to use the power amplifier with one or several subwoofer speakers 25 L...

Page 10: ...120V specification product on 240V power or vice versa Install this device on a flat surface not bending or curved Do not supply power before all components of the system are set up and connected properly Mode Selection The three position recessed Mode Select switch located on the rear panel configures the amplifier for either Stereo Parallel or Bridged Mono Mode Amplifiers are factory configured ...

Page 11: ...ition Output volume can be adjusted by means of the two potentiometers Connect the 2 speakers to the binding posts Parallel mode using Speakon outputs Fig 5 In this mode connect the input CH1 to your mixer s outputs Put the selector in parallel position Output volume can be adjusted by means of the two potentiometers Connect the 2 speakers to the Speakon connectors ...

Page 12: ...n be adjusted by means of the two potentiometers Connect the 2 speakers to the binding posts Bridge mode using Speakon outputs Fig 7 In this mode connect the input CH1 to your mixer s outputs Put the selector on the bridge position Output volume can be adjusted with channel 1 potentiometer Connect the speaker to the CH1 Speakon output Make sure you use a proper connection cable 1 2 ...

Page 13: ... Vision 2400 and 3600 only Fig 8 In this mode connect the input CH1 to your mixer s outputs Put the selector on the bridge position Output volume can be adjusted with channel 1 potentiometer Connect the speaker to the red binding posts ...

Page 14: ...life and reliability which is always to your advantage Periodically check that your cables are in good condition that they are correctly wired and that all their contacts are in good condition a great number of problems faulty contacts ground hum discharges etc are caused entirely by using unsuitable or faulty cables Headphones plug Unbalanced mono 1 4 jack plug Balanced mono 1 4 jack ...

Page 15: ...13 Compensation of interference with balanced connections ...

Page 16: ...ver Turn the screwdriver to the left at the same time gently push a bit Turn and Push The fuse will come out 3 Remove the broken fuse If brown or unclear it is burned out 4 Insert the replacement fuse into the holder where the old fuse was Reinsert the fuse cover Be sure to use a fuse of the same type and specification See the product specification label for details Troubleshooting Dap Audio Visio...

Page 17: ...able 30Hz 18dB Oct Lowpass Filter Selectable none 150Hz 18dB Oct Protection Fixed limiter Selectable limiter Short circuit Input overload Output overload DC voltage High temperature Soft start Output modes selectable Stereo parallel bridge Cooling Multi speed fan Airflow Back to front Input link connector XLR XLR XLR XLR XLR XLR Output connector 2x speakon 2x speakon 2x bindingpost Groundlift swit...

Page 18: ...2008 DapAudio ...

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