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.
(15 pages)
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