Noise Distortion In All Speakers

Does distortion occur through all of the following operations:

• AM and FM stations.
• Cassette tape.
• Compact disc.

If distortion does not occur through all of the preceeding operations, check for radio interference, damaged tape or disc that may be causing distortion. Check the following components:

• Check battery voltage, for 11 Volts or more.
• Check amplifier connector for proper connection.
• If OK, check radio, refer to Radio Diagnosis.
• If OK, check for high resistance in B+ and ground to radio and amplifier.
• If OK, replace amplifier.