Gary, The 19D424266G1 PA is a 110 watt board that uses two high-power transistors in parallel. Here's the manual:
http://www.repeater-builder.com/ge/lbi-library/lbi-30739j.pdf 73, Eric Lemmon WB6FLY [EMAIL PROTECTED] wrote: > Local 2 mtr repeater using MastrII Base repeater station experiencing > power amp failure. Circuit board 19D424266G1 Rev3. I do not have > manual. Am told it's a 100 watt unit. It does not have the 4 parallel > output transistors in PA section. Symptoms are: turn up power control > to 90 watts and ok until you drop input, rekey and it will not produce > output power. Crank power pot back down, turn it up to 90 watts again > and it will run 90 watts all day until you unkey driver again. (using > .5 watt HT for testing). Unit had the typical circuit board break on > output pin to filter board. Repaired same. Unit also pulses rf power > badly and can see amplitude pulse on analyzer. No spurs on sidebands. > If anyone cares to comment I would appreciate it.Thanks,Gary K2UQ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
