DAPAudio MA45CD Manual do produto - Página 15
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Problem
No lights illuminates when the
POWER button is pressed.
No sound is heard
The unit's output is intermittent
or continuously buzzing
No output from one or more
channels
Fuse often blown
No display of CD player or
Radio
No output of the CD player
The CD player doesn't react
to any key control and the
display is not functioning
properly.
The radio can't store a radio
station in its memory
The radio can't receive a
radio station
Overload LED keeps blinking
Cause
1. Is the unit plugged into a live
outlet?
2. Was the AC fuse opened?
3. Was the DC fuse opened?
1. Check if the audio source
was connected?
2. Was the audio source
operating?
3. Is the volume turned up?
4. Are the speakers connected
properly?
Check if the AC power supply is
correct
1. Is the audio source
operating?
2. Is the volume turned up?
3. Are the cables not defective?
1. Was the volume turned to full?
2. Were the speakers
connected correctly?
3. Were the wires of the speaker
connected correctly?
4. Is the impedance of the
speakers correct?
5. Is the speaker good?
Is the CD player or Radio power
switch turned on?
1. Is the volume turned up?
2. Is the CD player paused?
1. Is the rated voltage correct ?
2. Did you frequently turn the CD
power switch on/off?
Was the memory store operation
correct
1. Is the antenna connection
correct?
2. is the unit placed in the right
position?
1. Is the connection of the
output terminal ok?
2. Is the connected load too
heavy?
3. Is the input signal too loud?
13
Solution
1. Load outlet
2. Replace AC fuse
3. Replace DC fuse
1. Connect to audio source output.
2. Operate the audio source.
3. Turn up the volume.
4. Correctly connect speakers.
1. Operate the audio source.
2. Turn up the volume.
3. Replace the signal cable.
1. Turn down the level volume.
2. Connect the speaker correctly.
3. Connect the speaker wires
correctly.
4. Connect the matching output
terminal or replace with the
matching impedance.
5. Replace the speaker.
Turn on the power switch.
1. Turn up the CD volume
2. Press the PLAY/PAUSE again.
1. Change the rated power
voltage into the right one
2. Turn the CD power off and after
10 seconds turn it on again
Reset it, according to the correct
operating and procedure
1. Connect the antenna correctly.
2. Adjust the position of the unit.
Or extend the antenna correctly
1. Connect the speakers to the
proper output terminal.
2. Reduce the total load and keep
the impedance matching.
3. Adjust the signal level control