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Re: WTB: Power Connector in good connection
Hi Look for *Molex 38331-8012* This is the connector which fits the FT-301D. 73 Roland
By Roland HB9GAA · #319 ·
Re: Low Tune power FIX
My schematic shows 33pf. The parts list shows 39pf. Looks like it is across the 20pf. Trimmer cap for the 8999.3khz crystal. Fred N1DEC Sent from my iPhone 7
By Fred, N1DEC · #318 ·
Re: Low Tune power FIX
The IF board schematic shows C428 present next to the CW Oscillator crystal and trimmer. Schematic shows a 39pF, but the cap I removed had 33K stamped on it.
By Gene N4FZ · #317 ·
Re: No LSB or CW RX
Hi Dave I hit the LSB crystal with a little bit of cold spray. LSB came right on! Then I touched up the soldering in the area and cleaned the board (it looked fine though). So far its been working
By Fred, N1DEC · #316 ·
Re: Low Tune power FIX
I do not found C428 at IF board. The C428 is 39p. Emerson Em qui., 29 de jun. de 2023 ¨¤s 17:21, Forest (Gene) Summers < felsummers@...> escreveu:
By emerson · #315 ·
Re: Low Tune power FIX
i have exact same problem. LOW PWR
By Eduardo Power · #314 ·
Re: WTB: Power Connector in good connection
Hey Mike, Ebay would be your fasted bet. Buy the FP301 power supply w/speaker for $99 or the cable for $65. Michael
By Michael K. · #313 ·
Re: WTB: Power Connector in good connection
Hello Mike, I also purchased a? 301 without the cable (or power supply) in the past. There used to be a guy on qth.com who sold power cables for various vintage (and not so vintage) radios. I haven't
By Jim · #312 ·
Re: No LSB or CW RX
That should be LSB crystal¡­.damm spell checker! [email protected]> wrote:
By Dave smith · #311 ·
Re: No LSB or CW RX
The lab crystal may not be starting reliably¡­.old age¡­.may need to try varying the capacitors in its circuit. Dave.
By Dave smith · #310 ·
No LSB or CW RX
Hi I have a FT-301D from new. Lately sometime I use it the LSB setting is dead in RX and TX on all bands USB is ok AM is ok. I also think CW is dead in RX but seems ok in TX. Then another day it works
By Fred, N1DEC · #309 ·
Re: Low Tune power FIX
Thanks for sharing this FT-301d restore post. I have a FT-301 under the workbench that needs restoration and learning alot from Eric Sorensen's content. Mike Peace
By Mike Peace · #308 ·
Re: Low Tune power FIX
I have a 500 Hz CW filter that has quit working due to age. It failed to pass the CW Tune signal so I took it out of the FT-301. It is an International Crystals filter.
By Gene N4FZ · #307 ·
Re: Low Tune power FIX
http://esorensen.com/yeasu-ft301d-restore-part-1/
By Gene N4FZ · #306 ·
Re: Low Tune power FIX
Where is this blog? To: "Felsummers" <felsummers@...>, "yaesuft301d" <[email protected]> Sent: Saturday, August 5, 2023 7:28:15 AM Subject: Re: [yaesuft301d] Low Tune power FIX
By KL7AM · #305 ·
Re: Low Tune power FIX
Op do 29 jun. 2023 om 22:21 schreef Forest (Gene) Summers < felsummers@...> > I followed this helpful blog, I removed C428 and was able to get 100+ > Watts of CW output on my FT-301D. Note:
By PA7TG · #304 ·
WTB: Power Connector in good connection
Hello, I just purchased a rough FT-301 to restore, it's missing the power connector cable. Anyone have a power connector with cable for sale? I can pay by Venmo or Zelle. Shipping to Springfield,
By Mike Peace · #303 ·
Re: Low Tune power FIX
Hi, Drifting out of spec xtals are typical, Ive had to do the same on others boards as well. This is good input for others trying to fix their FT301s, thanks. There is a company in the Netherlands
By Michael K. · #302 ·
Low Tune power FIX
I followed this helpful blog, I removed C428 and was able to get 100+ Watts of CW output on my FT-301D. ?Before removing C428, I was getting about 5W tune power on 10m, 15W on 15m, 35W on 20m, 30W on
Re: Calibration off by 2.5 khz. need help.
you might want to sweep your crystal filters also. I have read on the internet somewhere that they also age and change frequency. I have to many projects going on and cant give you any other
By Robert Holsti · #299 ·