northstar/galaxy 44v no power

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booger351
Dead Key
Dead Key
Posts: 25
Joined: Monday 24th Mar 2008, 20:21
Location: Indiana, USA

northstar/galaxy 44v no power

Post by booger351 »

Radio Make and Model: northstar / galaxy 44v
PCB Number: EPT360014B
PLL Number:
Test gear available: watt/swr meter, multimeter, external freq counter
Symptoms: no tx power

What is working: audio through pa, can hear on close radio

What has been tried: changed driver 2sc2166

Did it suddenly happen ?: yes
Anything else that may be of help?:
TR43 final 2sc2312
b....c.....e
0 / 3.8 / 0 rx
-7 / 3.8 / .15 tx

tr44 driver 2sc2166
b.....c.....e
0 / 3.8 / 0 rx
0 / 3.3 / .15 tx

tr45 predriver
b.....c......e
0 / 0 / 0 rx
.80 / 8.3 / 1.2 tx
zodiac
Technical Helper
Technical Helper
Posts: 319
Joined: Sunday 7th Nov 2004, 13:58
Location: UK

Re: northstar/galaxy 44v no power

Post by zodiac »

What's the voltages on SSB, as you have not said what mode the voltages are for you've given.
The Base voltage for the driver and final on SSB should be no more than 0.7v and the collector voltage about 13v.
How far is it.
Twice it's length from halfway.
booger351
Dead Key
Dead Key
Posts: 25
Joined: Monday 24th Mar 2008, 20:21
Location: Indiana, USA

Re: northstar/galaxy 44v no power

Post by booger351 »

The radio is am/fm only, tested on am
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