Palomar skipper ??? need skematic

[speedracer6g]

I had a guy drop off a palomar skipper the other day and i am getting intermitent power from this linear. first thing it had 2 2sc2879 finals in it and thats it and he said it was a 400 or 500 but when i look up those finals i am seeing 100 pep each. but anyway i am getting about 120 watts with the amp on high with about 100 deadkey wich is weird but i had 200 when i first turned it on. when the amp is on med pwr i get about 80 dk and 120 on the high side. on low power i get 35 dk and 70 on the high side wich seems right. but med and high power are not working right. i checked the power supply voltage it is solid no matter what and i pulled the finals out and tested them with the bk 520 transistor tester ok. i checked drive power into the finals on low med and high they are all fine. i am now grasping at straws here. i reflowed the whole pa deck to no avail. so i have pretty much rulled out a cold solder joint. i am thinking that a final is weak but wanted to see what you guys think before i go buy 50 bucks worth of parts.

any input would be appreciated.

MIKE

[speedracer6g]

figured out the problem. was a broken coax and well the fianals are only capable of about 100pep a peace wich is only about 70 watts so it is working fine.

thanks anyway,