Search found 6 matches

by smokinone
Friday 16th Oct 2015, 14:55
Forum: CB Radio Repair and Troubleshooting
Topic: TRC-457 no output
Replies: 1
Views: 6704

Re: TRC-457 no output

Seems I have 7.5V at the collectors of both the 1306 and the 1307 in AM and 13.8 on SSB on Xmit..The base does show the correct 0.64 on both finals...I show audio on the scope at the antenna output, and on the SAMS circuitrace at points 125, 126 and 123. TR45, FET2 and FET6 all show good. I received...
by smokinone
Thursday 15th Oct 2015, 7:37
Forum: CB Radio Repair and Troubleshooting
Topic: TRC-457 no output
Replies: 1
Views: 6704

TRC-457 no output

I have a TRC-457 that has no output on SSB or AM. Heres what I've done so far, all new electrolytic caps including power supply. new relay which I can hear clicking and evidently it does send the voltage to the collectors of the finals. new C179 new upgraded voltage regulator TR25 new berquest insul...
by smokinone
Wednesday 26th Dec 2012, 14:43
Forum: CB Radio Repair and Troubleshooting
Topic: NO rx audio on a Galaxy dx959
Replies: 37
Views: 60295

Re: NO rx audio on a Galaxy dx959

I wish I could help you with all the specifics, but I am as GREEN a radio tech as can be. I look to experts on this forum and others for guidance. I know a little about soldering, I can align a radio with the freq counter and use a scope in a limited fashion. This radio I'm working on was dead when ...
by smokinone
Wednesday 26th Dec 2012, 10:23
Forum: CB Radio Repair and Troubleshooting
Topic: NO rx audio on a Galaxy dx959
Replies: 37
Views: 60295

Re: NO rx audio on a Galaxy dx959

Can't say what others are experiencing with this NF board, but mine was kicking in and out altering the output to the speaker. I could move it and the sound would come back, then it would go out again by itself. I removed it and put in the jumper now I have constant volume to the speaker. My connect...
by smokinone
Wednesday 26th Dec 2012, 4:15
Forum: CB Radio Repair and Troubleshooting
Topic: NO rx audio on a Galaxy dx959
Replies: 37
Views: 60295

Re: NO rx audio on a Galaxy dx959

222 wrote:What is the "NF board referred to in this thread? Is it the "ANF/GNF" pcb? If so, is that a noise filter board, i.e., "automatic noise limiter/noise blanker/galaxy noise filter"?

Thx

I think it means "Non Functional" :D
by smokinone
Monday 24th Dec 2012, 12:08
Forum: CB Radio Repair and Troubleshooting
Topic: NO rx audio on a Galaxy dx959
Replies: 37
Views: 60295

Re: NO rx audio on a Galaxy dx959

I'm a little late in the conversation, but having the same problem When I move the NF board the receive audio lowers, then gains. Is the NF board removed and discarded, then the jumpers installed, or jumper then put the NF board back in? Thanks. Also with the same radio, I have replaced the finals, ...