Engine Noise From Speaker(s)
Turn source OFF, Disconnect RCA cables amplifier noise stops, check equipment cables leading amplifier- Verify:
A. Amplifier Output Distorted Music not Recorded with Intentional Distortion Verify:
A. RCA cables are good quality with breakage internal shields
B. Source output amplifier not distorted
B. Speaker crossover not defective
B. Status LEDs Lit, Output from Speakers Normal Operating Condition Verify:
A. Amplifier fuse battery and amplifier have proper voltage
2.GB
Amplifier Troubleshooting Guide
1. RCA cables from source amplifier are not run alongside power
4. Status LED Amplifier not Lit, Head Unit (Source) Turned Verify:
A. Volume adjustment amplifier correctly adjusted
3. High-level cables from speaker(s) amplifier are securely connected
B. Amplifier Does Not Turn ON, and Red LED Lit Amplifier not Connected Shorted Speaker Verify:
A. Source output sensitivity correctly adjusted
5. RCA cables from amplifier source are securely connected
C. Ground (GND) connections amplifier and vehicle chassis are secure Battery fuse OK
E. Speakers meet correct impedance for application (mono stereo hookup)
6. High-level cables from speaker amplifier are not shorted
GB. Amplifier not mounted under carpet
C. Amplifier mounted with adequate air circulation around vents
B. Remote turn-on wire from source amplifier has proper voltage
B. Power (B+) connections amplifier, terminal blocks, and battery are secure
C. Amplifier Shuts Down, Green LEDs are Lit Amplifier Thermal Protection Mode Verify:
A
