Panasonic cq-c9700u problems turning on

so its wired to factory plugs all

i get it to light up the source button blue but then a sec later it turns to a lighter blue then flickers slowly kindalike it doesn't have enough power!

is it beucase my alternator is going?not enought power?or is the deck dead?

93 acura integra

     Since your radio draws about 1/4 amp of current at idle and only takes acouple amps max to turn on  it is highly unlikely that your alternator is your problem.

     You need to get a volt meter and check the voltage on the Red and Yellow wires of your radio.