help

here goes,
i have a replay lite box,,,,half way through a flash my electric went off. now box stuck in standby,, carnt connect tp pc to reflash
just says connection error
i could jtag it got jkeys but no info about pins on box
familiar with jtag (on the modems)
but never done a tv box
can anyone help me or do it for me for a cost
which im willing to pay
in birmingham cheers in advance