Jensen JXP720 - Troubleshooting Common Issues; Amplifier Not Operating; Audio Performance Problems; Protection Circuitry and Noise

JXP720, JXP460, JXP340
JENSEN
Troubleshooting
Problem
Amplifier does not operate
(power LED not on) when
vehicle and radio are on
Radio volume needs to be
;;rrkup too high for amp
Radio volume is too sensitive
Sound from only one speaker
Sound distorted
Blows fuses
Engine noise
I nition noise/static or
as ternator whine)
Protect light comes on/
amplifier shuts down
No output on channels
Low battery voltage