Alsayeghi

the whole story start by mistake that i changed the big battery but i opposite the + and -

then the commend damage. after tying i observe the display working when i press the SOS bottom


kindly did any one could support me i need the wire diagram for whole counsel


the dealer said maybe the Panasonic head unit damage but he is not sure


the screen is always black and the power bottom not response only when i press SOS bottom it work for 30 seconds
whole multimedia control unit not working but the feature are works