"There is a process I use to easily see which stage is bad. Reply if you need more help."
Maybe you'd consider posting it here? Always looking for better ways to do things. Tom DGN --- In Repeater-Builder@yahoogroups.com, Kevin Custer <kug...@...> wrote: > > radi...@... wrote: > > > > > > Sucess! > > I completely cleaned and re tinned my Weller 8100 tip, added some > > solder, and got heat transfer to pop it up. I was not aware of the > > fish paper that the wires came thru. Now to troubleshoot the amp. It > > probably has some blown transistors as well as the cooked caps and 12 > > ohm resistors across some of the finals. We do have a Motorola test > > set, I have done component level work in the past, but this is out of > > my league. Kevin, I may take you up on your offer for further help. > > Thanks to all who responded. > > 73, Marty > > Consider obtaining a used MICOR mobile (usually can be gotten for $5 to > $50) having a power amplifier board of the desired size and transplant > it onto your heatsink. The PA assembly for this mobile radio is > identical to the one(s) used on the continuous duty MICOR and MSR2000 > power amplifiers. > > Or, just figure out which stage is bad and replace the transistor(s) > that have failed. There is a process I use to easily see which stage is > bad. Reply if you need more help. > > Kevin >