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6 Troubleshooting
To keep the warranty valid, never try to repair
the system yourself.
If you encounter problems when using this
apparatus, check the following points before
requesting service. If the problem remains
unsolved, go to the Philips web site
(www.philips.com/welcome). When you
contact Philips, ensure that the apparatus
is nearby and the model number and serial
number are available.
Power indicator does not light up
The connected car audio is not turned on. •
The fuse is blown. Replace the fuse with •
a new one.
The input level is not set correctly (see •
“Adjust input level”).
The protector indicator lights up in red.
The speaker terminals are short circuited. •
Check the speaker connections.
The sound is too low.
The input level is not set correctly •
(see “Adjust input level”).
The sound is interrupted or stopped suddenly.
The thermal protector is activated. •
Reduce the volume.
The ventilation outlet is blocked. Remove •
any obstructions from the outlet.
Alternate noise is heard.
The power connecting wires are installed •
too close to the RCA pin cords.
The ground wire is not securely •
connected to a metal point of the car.
Negative speaker wires touch the car •
chassis.
The unit becomes abnormally hot.
Place the amplifier in a well ventilated •
location.
Use speakers with suitable impedance: •
2-8 ohm (stereo), 4-8 ohm (bridged).
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