Jeff Rowland Model 8
This was one of the most
difficult repair job we have ever encountered, and it took us embarrassingly
long to complete the job. We were lucky to have an
understanding customer but nevertheless we felt extremely bad for the long
Coffee had been spilled into the amplifier by the customer causing a
"nuclear meltdown". The amplifier had been completely shorted
internally on 1 channel.
Unfortunately, Jeff Rowland no longer stock the board which should have been
replaced (albeit costly) entirely. We had to rebuild the
board from the ground up, replacing the temperature sensor, all the
transistors, as well as an extensive debugging phase which took us
exceedingly long to do, especially when the schematic was not provided to
It took more than 200 hours for
us to repair this amplifier, but luckily the customer was not charged by the
our but by a fixed rate.
At the end, we completed this
near impossible task.