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Author Topic: Panaxis FME 500 issue  (Read 2903 times)

Offline N2NXZ

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Re: Panaxis FME 500 issue
« Reply #45 on: September 01, 2018, 1834 UTC »
A few posts back I attached the schematic diagram.
Just noticed it shows TWO 74C74 IC chips but the diagram shows ONE 74C74.
One should be a 74C14...not that this changes anything,just noticed this.
Jim

Offline N2NXZ

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Re: Panaxis FME 500 issue
« Reply #46 on: September 10, 2018, 2355 UTC »
I would like to thank "JTA" group member for sending the diodes.
Dropped them in and still no change...all about that PLL chip I am afraid.
However,using the MV2115 diodes instead of 2113 did change the center tuneup frequency.Rather than center of band 100mhz it is now 85mhz.But this is fine as I use a low frequency anyhow where it is most quiet.
Without the PLL sucks...the drift is a bit too much to be usable.
Think I found a supplier for original DS8907N for 6 bucks each...shipping 3 times added to that :(
May pull the switch on one but will wait to try the DS8907J when it arrives first.
This is really frustrating.
Will post the conclusion soon.
Jim
« Last Edit: September 10, 2018, 2358 UTC by N2NXZ »

Offline N2NXZ

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Re: Panaxis FME 500 issue
« Reply #47 on: October 01, 2018, 1740 UTC »
Finally,after a month of delay waiting for the new PLL chip to arrive,just installed it straight from package minutes ago and it made no change in operation.The only thing left I have not tried is the actual PLL chip sold for this unit and that is not going to happen as they are not available.DS8907N is original and DS8907J is all I can find...not even sure if it makes a difference but EVERYTHING is either new or tested as working on this PCB.Will changing all ceramic caps and resistors make a difference...most likely not.
Since I am not a fan of ART...this is now the most expensive piece of ART I have owned or ever WILL own :)
Now it will be tossed in a box and shown someday as a conversation piece and memory of something that once was!
I have lost total interest after all this...time to move on.
Thanks to all for your help and ideas.
Jim

Offline Pigmeat

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Re: Panaxis FME 500 issue
« Reply #48 on: October 03, 2018, 1151 UTC »
Salvage the good parts and the case, then smash the rest with a hammer. You'll feel better.

Offline TheRelayStation

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Re: Panaxis FME 500 issue
« Reply #49 on: October 03, 2018, 1403 UTC »
Salvage the good parts and the case, then smash the rest with a hammer. You'll feel better.
id rather take it and overhaul it to find the cause of the issue but thats just me ;)
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Offline radiogaga

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Re: Panaxis FME 500 issue
« Reply #50 on: October 03, 2018, 1750 UTC »
Salvage the good parts and the case, then smash the rest with a hammer. You'll feel better.
X2, the larger the hammer the better you'll feel...

Offline jFarley

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Re: Panaxis FME 500 issue
« Reply #51 on: October 03, 2018, 1822 UTC »
Salvage the good parts and the case, then smash the rest with a hammer. You'll feel better.
X2, the larger the hammer the better you'll feel...

And you'll feel even better if prior to the hammer you tickle all semiconductors with something like this. I am lucky enough to have something similar to this at work and its therapeutic benefits can not be underestimated.

https://www.youtube.com/watch?v=EedHRsiDMZw
Joe Farley, Near Chicago
SDR-IQ / R8 / R7
Remote Resonant Loops for HF and LF / ALA 1530
Active 60" Whip / PA0RDT
QSLS appreciated to:    jfarley44@att.net

Offline Pigmeat

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Re: Panaxis FME 500 issue
« Reply #52 on: October 03, 2018, 2111 UTC »
There was a preacher out in the Great Plains states in the 90's who was "healing" people with a modified transmitter driving a 35 kW amp that was fed into a huge dummy load he put in the middle of the room he was working. He put folding chairs around the dummy load and brought people in to feel the "healing rays".

A reporter covering one of the sessions said she got bit by the RF when she touched metal while getting up for a better view. The preacher ended up doing time for fraud. Pop' Comm had an article on the healing linear of Kansas.

Offline radiogaga

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Re: Panaxis FME 500 issue
« Reply #53 on: October 03, 2018, 2137 UTC »
Aha, another take on the Rife system...

rgg

Offline Pigmeat

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Re: Panaxis FME 500 issue
« Reply #54 on: October 03, 2018, 2350 UTC »
"And your hair shall stand before the Lord." The Apocrypha of St. Thomas of Menlo Park.

Offline N2NXZ

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Re: Panaxis FME 500 issue
« Reply #55 on: January 03, 2019, 1142 UTC »
I stopped back in to see if a miracle came for 2019 :)
Funny and interesting comments...haha.
I have without a doubt came close to setting it in my yard,pouring gasoline all over it and lighting it on fire to end the insanity.
Maybe make a You Tube video of it ...why not?
Sometimes it is time to let go when it goes from fun to frustration.I have done this with a Kenwood TS-520 radio some time ago,but a bit less violent...gave it to school to tinker with.
But soon as I burn it and upload the video,someone will say...TOO BAD ,I have a few PLL chips sitting here I would have sold you :) What I need is someone that has a working FME to test one of the DS8907J PLL chips I bought and will send to them at my cost just to see if they are the same as the DS8907N. I found one person that has one and sent them a note...see what happens.
Jim

Offline N2NXZ

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Re: Panaxis FME 500 issue
« Reply #56 on: January 03, 2019, 1145 UTC »
I am also tempted to take up Radiorelay`s offer and send it to him...but not sure if I want to spend more money shipping and repairs.

Offline TheRelayStation

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Re: Panaxis FME 500 issue
« Reply #57 on: January 03, 2019, 1543 UTC »
I am also tempted to take up Radiorelay`s offer and send it to him...but not sure if I want to spend more money shipping and repairs.
ill cover the shipping - if you like, i can send it back to you if i get it repaired (provided its reasonably inexpensive for me to repair it) - no cost to you for repairing it
 :)
« Last Edit: January 03, 2019, 1643 UTC by TheRelayStation »
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Offline N2NXZ

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Re: Panaxis FME 500 issue
« Reply #58 on: January 03, 2019, 1647 UTC »
I sent you a PM...let me know if it made it to you.

Offline TheRelayStation

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Re: Panaxis FME 500 issue
« Reply #59 on: January 03, 2019, 1712 UTC »
yes sir, i got it and and responded back.
6880 Khz AM 50W/500W - shortwavepirate@aol.com