Probably blown one or both of the 20 amp fuses.
http://manual.kenwood.com/files/B64-1360-00&ved=2ahUKEwj6tJye3ObhAhUkNX0KHSe2C38QFjACegQIBxAC&usg=AOvVaw0RxfGcmdfo50hnTme7xwB0
SOURCE: kenwood KAC-PS201T
The first thing you must do is to confirm that you have voltage at the amp. Just because the fuses look good, that doesn't mean you're getting power to the amp.
With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.
SOURCE: Kenwood KAC-7202 wont turn on
I have found the problem to my Kenwood KAC-7202. The amps fan was the only thing that would come on thats it. So I started checkin zener diodes cause all transistors checked out fine. So I remember readinf about a guy that had same problem and took it to a shop and they said it was some diodes. Well, thats what I was thinkin or the transformer. It turned out that 1 zener diode was no good, diode D9 1ss133. I took a zener out of an old vcr I use for parts and put it in and the fan came on as usual then the red light. Then I hooked my mp3 player to the rca input and hooked up some speakers and it works great. Hope this helps you other guys with the same problem. Check your zener diodes with a digital volt meter, if you get any measurement other than the reverse impedance which will read between 600 and 1200 ohms some lower or higher and then reverse the leads on your meter and if you get any reading it's no good and the reading will be 0-50 cause mine read 047 ohms.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/mark_b53a7494531bf96d
SOURCE: Kenwood Excelon KAC-X811D blinking e-03
Hello mogly20,
The amp probably won't know if it's you or the homeless guy, so try smashing a glass bottle on it like he did. If that doesn't work, I'd recommend you locate another homeless guy and buy another amp.
Hope this helps.
SOURCE: KAC-8070 kenwood 4-channel power amp
Audio section
Max Power Output (4 ohms, 1kHz)
Rear 70W + 70W
Front 35W + 35W
Max Power Output (4 ohms, 1kHz, 10% THD)
Rear 45W + 45W
Front 25W + 25W
Max Power Output (4 ohms, 1kHz, 1& THD)
Rear 37W + 37W
Front 20W + 20W
Frequency Response (-3dB)
Rear 2 Hz ~ 100 kHz
Front 5 Hz ~ 50 kHz
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