Re: File /TR4310/Drake TR4310 Band Codes And AUX-7 G4FPH Group.xlsx uploaded
#file-notice
Hi? ?i have problems with Drake-RADIO@groups emails,?
Can? you cancel? all information what i? get .?
I am sorry abt that? info have been ok but its make big trouble
For my other trafic
73 de Tapio? OH1KBX
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The following items have been added to the Files area of the [email protected] group.
By: atlasstuff <g4fph@...>
Description:
Excel sheet containing information for debugging band / range code issues.
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Mike, The fine print did make it clear that I would be put on Autopay. I have recently read about how hard it can be to cancel Autopay at Amazon. I really don't want to find out. Bill? N0CU
Bill, ? Sorry to hear about your escapades with the PLJ-8LED.? I imagine the QC on those units is a hit or miss.? I hit 1000 when I ordered my 2 a year ago, no issues. But that was a year ago. ? Sounds like Amazon is getting desperate for revenue; hiding prime subscription in the fine print before you order.? And of course, if you do not make the effort to cancel prior to, once the 3 months expires they auto sign you for another year or so.? I wonder if that is also hidden in the fine print. ? 73, ? Mike W5CUL ? ? I decided to purchase a PLJ-8LED freq counter last month to see if I could get it to work with my R4-C Even though it was $10 higher in cost, I went with Amazon because of their simple return policy and the unit being a Chinese product. The first unit was DOA The second one worked, but only with my sig gen set to max output. It turns out that some of these units come with an incorrectly color-coded connector for the signal input - the red wire goes to gnd and the black wire is the signal input. After resolving this problem, the unit worked good with my R4., except for 10M. There is a spur 5.645 MHz above the injection signal. If this spur is within 10 dB of the injection signal, the freq display is unstable. This was not an issue on 80-15 M, but on 10 M the spur was only 8 dB down. By realigning the 10 M band I was able to get the spur 15 dB down and subsequently got stable readings. Yesterday the unit died. It displayed all zeros on both high and low channels regardless of freq or pwr level. Went to the Amazon site to try and return it, but discovered that it was 10 days past the 30 day return period. Decided to order another unit from Amazon. When I got to check out, I noticed that there were several unusual entries - no option for shipping method, no charge for shipping when there should have been, and a credit of $1.90 applied for a ¡°promotion¡±. After searching through all of the fine print I discovered that by placing the order I was agreeing to their promotion, which was to be signed up for Prime for 3 months. Amazon slipped this in even though I had previously checked the box saying I didn¡¯t want Prime. I was unable to find a way to order the part without agreeing to the promotion. ? Bill N0CU
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Bill, ? Sorry to hear about your escapades with the PLJ-8LED.? I imagine the QC on those units is a hit or miss.? I hit 1000 when I ordered my 2 a year ago, no issues. But that was a year ago. ? Sounds like Amazon is getting desperate for revenue; hiding prime subscription in the fine print before you order.? And of course, if you do not make the effort to cancel prior to, once the 3 months expires they auto sign you for another year or so.? I wonder if that is also hidden in the fine print. ? 73, ? Mike W5CUL ?
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From: [email protected] <[email protected]> On Behalf Of Bill Leonard N0CU via groups.io
Sent: Saturday, April 19, 2025 4:46 PM
To: [email protected]
Subject: [DRAKE-RADIO] PLJ-8LED debacle? I decided to purchase a PLJ-8LED freq counter last month to see if I could get it to work with my R4-C Even though it was $10 higher in cost, I went with Amazon because of their simple return policy and the unit being a Chinese product. The first unit was DOA The second one worked, but only with my sig gen set to max output. It turns out that some of these units come with an incorrectly color-coded connector for the signal input - the red wire goes to gnd and the black wire is the signal input. After resolving this problem, the unit worked good with my R4., except for 10M. There is a spur 5.645 MHz above the injection signal. If this spur is within 10 dB of the injection signal, the freq display is unstable. This was not an issue on 80-15 M, but on 10 M the spur was only 8 dB down. By realigning the 10 M band I was able to get the spur 15 dB down and subsequently got stable readings. Yesterday the unit died. It displayed all zeros on both high and low channels regardless of freq or pwr level. Went to the Amazon site to try and return it, but discovered that it was 10 days past the 30 day return period. Decided to order another unit from Amazon. When I got to check out, I noticed that there were several unusual entries - no option for shipping method, no charge for shipping when there should have been, and a credit of $1.90 applied for a ¡°promotion¡±. After searching through all of the fine print I discovered that by placing the order I was agreeing to their promotion, which was to be signed up for Prime for 3 months. Amazon slipped this in even though I had previously checked the box saying I didn¡¯t want Prime. I was unable to find a way to order the part without agreeing to the promotion. ? Bill N0CU
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I decided to purchase a PLJ-8LED freq counter last month to see if I could get it to work with my R4-C
Even though it was $10 higher in cost, I went with Amazon because of their simple return policy and the unit being a Chinese product.
The first unit was DOA.
The second one worked, but only with my sig gen set to max output. It turns out that some of these units come with an incorrectly color-coded connector for the signal input - the red wire goes to gnd and the black wire is the signal input. After resolving this problem, the unit worked good with my R4., except for 10M. There is a spur 5.645 MHz above the injection signal. If this spur is within 10 dB of the injection signal, the freq display is unstable. This was not an issue on 80-15 M, but on 10 M the spur was only 8 dB down. By realigning the 10 M band I was able to get the spur 15 dB down and subsequently got stable readings.
Yesterday the unit died. It displayed all zeros on both high and low channels regardless of freq or pwr level. Went to the Amazon site to try and return it, but discovered that it was 10 days past the 30 day return period. Decided to order another unit from Amazon. When I got to check out, I noticed that there were several unusual entries - no option for shipping method, no charge for shipping when there should have been, and a credit of $1.90 applied for a ¡°promotion¡±. After searching through all of the fine print I discovered that by placing the order I was agreeing to their promotion, which was to be signed up for Prime for 3 months. Amazon slipped this in even though I had previously checked the box saying I didn¡¯t want Prime. I was unable to find a way to order the part without agreeing to the promotion.
?
Bill N0CU
--
Bill N0CU
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Good morning ! I¡¯m looking for the case for a Drake 1-A. Can be rough as long as there are no dents or extra holes
Email me W5sum at yahoo.com!
Thanks
Ronnie W5sum
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Re: Only showing 9MHZ on DD-103
Hey Gary and everyone, when I come home from work this afternoon I will try to set up the Drake and take those measurements. It would be nice to get it working.
Mark
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Re: Only showing 9MHZ on DD-103
First check to see that you have the 10 volts DC to the PTO. Then measure the resistance from the PTO Output to ground. It should be above 270 ohms.
Then use your scope or spectrum analyzer to observe the PTO Output at the PTO and then at ?V1 pin 2. You should clearly see the PTO signal there.
Report back.
Gary
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On Apr 18, 2025, at 8:18?AM, Mark N2DMI via groups.io <markkiziuk1@...> wrote:
? Hi Ken, when I come home from work I can look more at the rig and hopefully answer those questions. And yes I have the manual, procedure and service manual.
Mark
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Re: Only showing 9MHZ on DD-103
The IF frequency is 9 MHz but you should not be seeing it at R48. It seams to me that any 9 Mhz leakage should not be strong enough to be picked up by the counter over the PTO signal. On Fri, 18 Apr 2025 18:23:22 -0700 "Mark N2DMI via groups.io" <markkiziuk1@...> wrote: The 9Mhz showing up on my DD-103 must mean something??
9Mhz is in the rig somewhere, right?
Mark -- 73 -Jim NU0C
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Re: Only showing 9MHZ on DD-103
It's a high impedance circuit so drop across 100 Ohms would be minimal. What I would suggest is that you check R48 for visible damage, bad solder connections, and measure it for value with your Ohmmeter. On Fri, 18 Apr 2025 18:19:18 -0700 "Mark N2DMI via groups.io" <markkiziuk1@...> wrote: Then re-connect the PTO signal wire back to R48 and use the O-scope to measure the voltage to where the PTO signal wire gets connected to R48 and check to see how
much of a voltage drop I get?
Well I believe I would get some kind of a voltage drop.
I think since I have also a TR-4CW is to do the same two measurements to my other rig so that I know what the voltage measurements on an O-scope should be otherwise I would not know if the 2 measurements on my TR-4CW/RIT are correct. -- 73 -Jim NU0C
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Re: Only showing 9MHZ on DD-103
The 9Mhz showing up on my DD-103 must mean something??
9Mhz is in the rig somewhere, right?
Mark
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Re: Only showing 9MHZ on DD-103
I think its R148 and not R48 Ken.
Mark
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Re: Only showing 9MHZ on DD-103
Ken, I do have an O-scope. So your saying to remove the PTO signal wire from R48 and then measure the PTO output signal voltage.
Then re-connect the PTO signal wire back to R48 and use the O-scope to measure the voltage to where the PTO signal wire gets connected to R48 and check to see how
much of a voltage drop I get?
Well I believe I would get some kind of a voltage drop.
I think since I have also a TR-4CW is to do the same two measurements to my other rig so that I know what the voltage measurements on an O-scope should be otherwise I would not know if the 2 measurements on my TR-4CW/RIT are correct.
Mark
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Re: Only showing 9MHZ on DD-103
Looks like R48 on the marginal scans of schematics that I have. 100 Ohms feeding the grid. C12 would be included in "checks around V1". On Fri, 18 Apr 2025 21:06:38 -0400 (EDT) "n4buq via groups.io" <n4buq@...> wrote: Did you possibly mean R148?
Also, the signal would go from that resistor through C12 to the grid.
73,
Barry - N4BUQ
Here is your circuit. The PTO feeds the grid of V1B via R48. I think I would
look at R48 first, then make some checks around V1.
Disclaimer: I have not been inside any TR4 in decades.
On Fri, 18 Apr 2025 16:25:17 -0700
"Mark N2DMI via groups.io" <markkiziuk1@...> wrote:
I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the
signal was being loaded down and I still have signal output that tracks the
PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it
reads 9Mhz.
--
73
-Jim
NU0C
-- 73 -Jim NU0C
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Re: Only showing 9MHZ on DD-103
I meant "fact", not "face". Ugh. Friday night fingers at work.
Barry - N4BUQ
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Apologies. I wasn't thinking of the face that Mark has a TR-4C, not a plain
TR-4. R48 is indeed the correct resistor in the C model.
73,
Barry - N4BUQ
Did you possibly mean R148?
Also, the signal would go from that resistor through C12 to the grid.
73,
Barry - N4BUQ
Here is your circuit. The PTO feeds the grid of V1B via R48. I think I would
look at R48 first, then make some checks around V1.
Disclaimer: I have not been inside any TR4 in decades.
On Fri, 18 Apr 2025 16:25:17 -0700
"Mark N2DMI via groups.io" <markkiziuk1@...> wrote:
I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the
signal was being loaded down and I still have signal output that tracks the
PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it
reads 9Mhz.
--
73
-Jim
NU0C
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Re: Only showing 9MHZ on DD-103
Apologies. I wasn't thinking of the face that Mark has a TR-4C, not a plain TR-4. R48 is indeed the correct resistor in the C model.
73,
Barry - N4BUQ
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Did you possibly mean R148?
Also, the signal would go from that resistor through C12 to the grid.
73,
Barry - N4BUQ
Here is your circuit. The PTO feeds the grid of V1B via R48. I think I would
look at R48 first, then make some checks around V1.
Disclaimer: I have not been inside any TR4 in decades.
On Fri, 18 Apr 2025 16:25:17 -0700
"Mark N2DMI via groups.io" <markkiziuk1@...> wrote:
I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the
signal was being loaded down and I still have signal output that tracks the
PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it
reads 9Mhz.
--
73
-Jim
NU0C
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Re: Only showing 9MHZ on DD-103
Forgot the attachment. On Fri, 18 Apr 2025 19:43:58 -0500 "Jim Shorney via groups.io" <jimNU0C@...> wrote: Here is your circuit. The PTO feeds the grid of V1B via R48. I think I would look at R48 first, then make some checks around V1.
Disclaimer: I have not been inside any TR4 in decades.
On Fri, 18 Apr 2025 16:25:17 -0700
"Mark N2DMI via groups.io" <markkiziuk1@...> wrote:
I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the signal was being loaded down and I still have signal output that tracks the PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it reads 9Mhz. -- 73 -Jim NU0C
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Re: Only showing 9MHZ on DD-103
Did you possibly mean R148?
Also, the signal would go from that resistor through C12 to the grid.
73,
Barry - N4BUQ
toggle quoted message
Show quoted text
Here is your circuit. The PTO feeds the grid of V1B via R48. I think I would
look at R48 first, then make some checks around V1.
Disclaimer: I have not been inside any TR4 in decades.
On Fri, 18 Apr 2025 16:25:17 -0700
"Mark N2DMI via groups.io" <markkiziuk1@...> wrote:
I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the
signal was being loaded down and I still have signal output that tracks the
PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it
reads 9Mhz.
--
73
-Jim
NU0C
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Re: Only showing 9MHZ on DD-103
Here is your circuit. The PTO feeds the grid of V1B via R48. I think I would look at R48 first, then make some checks around V1. Disclaimer: I have not been inside any TR4 in decades. On Fri, 18 Apr 2025 16:25:17 -0700 "Mark N2DMI via groups.io" <markkiziuk1@...> wrote: I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the signal was being loaded down and I still have signal output that tracks the PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it reads 9Mhz. -- 73 -Jim NU0C
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Re: Only showing 9MHZ on DD-103
Sorry, Mark, I called it a VFO but I meant PTO.?
Do you have an oscilloscope? You could verify that the PTO signal is not being?attenuated or determining where it is being lost.?
On Fri, Apr 18, 2025 at 7:25?PM Mark N2DMI via <markkiziuk1= [email protected]> wrote: I have a TR4-CW and I have a TR4-CW/RIT.
I purchased both rigs less than 2 months ago.
I also purchased a DD-103 which was wired for TR4.
The DD-103 to the best of my knowledge is wired correctly.
The DD-103 worked on both the TR4-CW and on the TR4-CW/RIT.
I noticed that when I turned the main tuning knob on the newly acquired TR4_CW/RIT that with every revolution it would make some kind of a scraping sound.
I posted on this group of what it could be?
I took alot of photos of the 4 wires and the disassembly of the PTO. It was pretty much straight forward removing 4 wires and removing the screws and such for the PTO.
After removal of the PTO I discovered that gears did not line up correctly. By lightly bending a piece of metal that one of the gears was attached to quickly fixed the mis-alignment.
I then simply re-installed the PTO and connected the 4 wires correctly!
I then connected my rig to my antenna but heard no stations.
I then removed the PTO, connected an external 9 Volt (I believe it was 9V?) and used my signal generator to pick up the PTO signal from its wire.
Perfect signal, perfect strength and tracked up and down entirely across the band. I think it outputted 4.8-5.6 Mhz. Nothing wrong with the PTO!
I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the signal was being loaded down and I still have signal output that tracks the PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it reads 9Mhz.
And no I have not monitored the internal TR-4 VFO. I don't know where that is?
Mark
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Re: Only showing 9MHZ on DD-103
I have a TR4-CW and I have a TR4-CW/RIT.
I purchased both rigs less than 2 months ago.
I also purchased a DD-103 which was wired for TR4.
The DD-103 to the best of my knowledge is wired correctly.
The DD-103 worked on both the TR4-CW and on the TR4-CW/RIT.
I noticed that when I turned the main tuning knob on the newly acquired TR4_CW/RIT that with every revolution it would make some kind of a scraping sound.
I posted on this group of what it could be?
I took alot of photos of the 4 wires and the disassembly of the PTO. It was pretty much straight forward removing 4 wires and removing the screws and such for the PTO.
After removal of the PTO I discovered that gears did not line up correctly. By lightly bending a piece of metal that one of the gears was attached to quickly fixed the mis-alignment.
I then simply re-installed the PTO and connected the 4 wires correctly!
I then connected my rig to my antenna but heard no stations.
I then removed the PTO, connected an external 9 Volt (I believe it was 9V?) and used my signal generator to pick up the PTO signal from its wire.
Perfect signal, perfect strength and tracked up and down entirely across the band. I think it outputted 4.8-5.6 Mhz. Nothing wrong with the PTO!
I connected the wires back up to the PTO and again no signals!
I then put the spectrum analyzer close to the PTO signal output to see if the signal was being loaded down and I still have signal output that tracks the PTO.
Out of curiosity I connected my working DD-103 to the jones connector and it reads 9Mhz.
And no I have not monitored the internal TR-4 VFO. I don't know where that is?
Mark
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Ronnie Hull - W5SUM
Mark N2DMI
Jim Shorney
