kv a780 line failer

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TK Veteran
I have a problem with kv a780, the box went off told my supplier and replied saying ok on his side but still same, then he gave me another line and that's same. got 3 more test line and there all same no picture just scrambled. in meu it says connected but not clearing the line. it comes on then goes off and that's it.
 
thanks for reply, tried doing that but it says already done and it wont flashed. unless iv got the wrong file.
 
yes with 9 pin null cable. not sure about the firmware thou. trying to load from here but saying not available. somebody did pm me one but lost it.
 
hi , got the cable tried it and still the same. so the cables seem to be ok. am wondering if its the pc it is the old one, I think its not picking up from the pc card. the other one doesent have the 9 pin cable. it has 21 female adapter. so looks like I need to get the rs232 pc card. unless theres a adapter for 21 pin to 9 pin.
 
no power ok internet ok, its just unplugged and disconnected from line. but now connected and checked it is showing the 31/10/16. as I have flashed this box about 4 months ago. it worked ok with the line in but somehow it comes on and then goes off, my supplier says its the box, try and reflash the box and should be ok.
 
Perhap changing ethernet cable between box/hub may help, also check if box is still flashing at ethernet connection when it goes off
 
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