Interference Noises Due To All Loudspeakers
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The loudspeaker leads are twisted together as standard.
INTERFERENCE NOISES DUE TO ALL LOUDSPEAKERS
| Work instruction | Yes | No | |
|---|---|---|---|
| 1 | Check all connections to the amplifier or the radio. Take particular note of loose or bent pins, corrosion or other damage. Damage present? |
Repair the lead connection. Noise still present? Step 2. Noise remedied? End |
Step 2 |
| Work instruction | Yes | No | |
| 2 |
Noise still present? |
Disconnect all amplifiers but one from the power supply. Step 3 |
End |
| 3 |
Noise still present? |
Step 4 | Replace amplifier End |
| 4 | Disconnect the audio inputs from the amplifier, whereby the connections B+ and ground must be maintained. Noise still present? |
Step 5 | Repair the audio connecting cable, lay it again or replace End |
| 5 | If the amplifier is switched on via a relay, remove the relay and connect the amplifier directly to the power supply. Noise still present? |
End Replace the closing relay of the amplifier |
End |