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FC-40 problem
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davefuseler
I installed the FC-40 in my truck after getting it at Orlando, the
857D had been in the truck for several months. Installation went OK, tuner seemed to tune OK on all bands from 60M down. A few weeks ago the radio suddenly quit transmitting, no bar indication. Receive was OK. Checked 2M with wattmeter, no output, antenna analyzer said 2M antenna was OK. Sent radio back to Yaesu, came back today. Hooked it up, didn't work. Played with 2M antenna, it worked, then didn't work. Discovered that when I unplugged the control cable from the back of the radio, the radio would work. Plug it back in, the radio would not work. Tried tuning up on 20M, had high SWR. Unplugged cable, radio would work. Has anyone else had this problem? Dave, NJ4F |
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Clive T
开云体育hi Dave, i've been using fc-40 over a year. no probs.
? I'm assuming you've checked ground and the coax hasn't gone o/cct....to the tuner I mean, cos y'd have poor rx, and HSWR indications... so it could be a faulty control cable to the fc-40 (cn borrow one from a dealer to check?)
or try resetting both the 857D and the FC-40.. remember to set the CAT/LIN/TUNER back to "TUNER" after resets.
alternatively., does it run "off the veh" as a complete station with a longwire ant and a psu?
? good luck!
Let us know what u discover!
? ?OH2FBK // G1wzm //9v1az
_____ Original message _____
Subject: [YaesuTuner] FC-40 problem
Author: "davefuseler" <nj4f@...>
Date: 24th March 2006 11:17:33
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Kyle N4NSS
I had almost similar HVSWR and thought it was the rig.? Then I checked the tuner and later noticed that the control cable looked rusty.? I reinserted the cable and also reset the tuner.? All's well now.
Clive T wrote:
New Yahoo! Messenger with Voice. and save big. |
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NJ4F
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Thanks for the replys from Clive, and Kyle.? Have been out of town
this weekend, but I think I found the problem:? Took the tape off the end
of the control cable at the tuner end and found lots of moisture.? Haven't
had time to fix and try, but feel sure that is going to be the problem.?
Was letting it dry out, considered squirting WD-40 in it, but haven't yet.?
Will let it dry overnight and check it out tomorrow.
Dave, NJ4F
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David Scobie
Hi, the rusty connector diagnosis makes sense; I had a similar problem avec water in the control cable connector. I dried it out and then sealed the area with putty and then wrapped it with vulcanizing tape. No problems during a long wet, salty winter.
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I would however recommend against WD-40 on the connector. WD-40 has silicone in it that can interfere with conductivity, and it will trap dirt. Although I might get flamed, I always liked freon-12; it was cheap, it would clean almost anything and it was so volatile that if water was present, it would aggressively dry the area with no residue. Check your local electronic store to see what they have. You might find a spray can of something that you can use. 73 de va3ae NJ4F wrote: Thanks for the replys from Clive, and Kyle. Have been out of town this weekend, but I think I found the problem: Took the tape off the end of the control cable at the tuner end and found lots of moisture. Haven't had time to fix and try, but feel sure that is going to be the problem. Was letting it dry out, considered squirting WD-40 in it, but haven't yet. Will let it dry overnight and check it out tomorrow. |
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Dave
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I let the connector dry and?the radio and tuner?work
OK.? So I am going to have to wrap up the connection better this
time.? But glad it is OK.
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Did not use WD-40, but would have thought it would have been
OK, seeing as it is supposed to displace water.?
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Thanks to all who replied.
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Dave, NJ4F
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