[Repeater-Builder] MASTRII 100 watt PA question

Hello list dwellers, I went to our repeater site today and found the MASTRII PA dead. I could hear the exciter on my HT and the exciter output checked out OK at 250mw. There was good DC to the PA deck, but no current draw. I checked the usual suspects, the 2 buss wires that carry the DC, the

RE: [Repeater-Builder] MASTRII 100 watt PA question

, 2009 4:56 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] MASTRII 100 watt PA question Hello list dwellers, I went to our repeater site today and found the MASTRII PA dead. I could hear the exciter on my HT and the exciter output checked out OK at 250mw. There was good DC

Re: [Repeater-Builder] MASTRII 100 watt PA question

Hello Eric, Thanks for the tip. Last night, the PA failed again. I went to the site and found that the problem is in the 10 watt PA stage, possibly the IC chip or the power control transistor. I brought it home and will look at it in more detail. The strange thing was that it came back to

RE: [Repeater-Builder] MASTRII 100 watt PA question

"downstream" of that section, and away it went... Nate -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Joe Sent: Monday, February 23, 2009 5:29 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder

Re: [Repeater-Builder] MASTRII 100 watt PA question

Be suspicious of the power control pot first. Chuck WB2EDV - Original Message - From: "Joe" To: Sent: Monday, February 23, 2009 7:29 PM Subject: Re: [Repeater-Builder] MASTRII 100 watt PA question > Hello Eric, > > Thanks for the tip. Last night, the PA faile