Troubleshooting - Philips car power amplifier User Manual

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 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 protector indicator lights up in red.
• The speaker terminals are short circuited. Check the speaker connections.
•
The amplifier is overheated. Cool down the amplifier before use.
•
The amplifier is overloaded.
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).
EN
12