The batteur charger has been put in a car because the battery was down.
Audio source has been checked with ananother autoradio(working)

The batteur charger has been put in a car because the battery was down.
Audio source has been checked with ananother autoradio(working)

Ok but where can I check this out put signal?

Other things : My wife tell me that she has to use the battery charger. does this can be a cause ? I have an old battery charger and sometimes he goes in overload overvoltage mode.

The wire is connecting xover board and main one...
Something to check on the Pwm one.
On powering i have red les during one second then green one steady. The fan is moving but does not launch.

FETS have been checked : all are fine

Rechecked the wire from daugthter board one is not connected : the more on the right on right
I will rewire it this week end . I hope this the solution and not due to the manipulation

I mean by ac the main positive connection. I had no real reason to measure this voltage, but I was pretty sure that I have a powering issue( due to my fan not running but in good conditions). I know it is hard to help and i thank you for trying. This weekend i will have access to an oscilloscope and...

I understand that the cap are discharging.however why is there difference bet ween remonte and ac.
I m pretty sure this is a power issue as the fan doesnt work.
I m french and there is no amp doctor at affordable price.

I have checked all contact of the ribbon nothing wrong.
I have find something really strange : I have voltage between power connection (1V) and betweenremote and ground (4V) of course I have not powered my system : all cable are unpluged

Hello Everything worked fine before today when I start my car and no sound. HP have been tested with the autoradio and works. Autoradio has been also tested with an other one in good condition to be sure that this is not the faulty and nothing happen. Amps ZX 450 shows a green light , however fan do...