Thanks Dave. Yes I did spend a fair bit of time tuning around the bands with it. The sound was very good so the owner should get some good use out of it. Got an even older Trio coming in soon when I can get down to pick it up.
Hi! I have a Kenwood R-600, the problem is the same. The schemes of the Kenwood R-1000 and the Kenwood R-600 are almost the same. Kenwod R-600 has a triple conversion. I removed the range switch from the board, washed it and lubricated it - but it didn't help. I replaced all the logic chips of the switch SN74163, SN7474, SN7490, SN7400, SN74112 and others - it also did not help me. My radio has three RF outputs - 10 MHz, 30 MHz and a VCO output. I am listening to 10 MHz and 30 MHz signals on another receiver, and the 2.5-3.5 MHz oscillator setting is also audible. 1 MHz signals arrive at the 1st and 3rd inputs of the MC4044P chip, one of them is quartz 1 MHz - it is available, it can also be heard. The second 1 MHz signal should come from the logic of the switch counters, there is no such signal. Therefore, there is no voltage of automatic tuning of the heterodynes at outputs 5 and 10. I think the signal is not going somewhere. First check the range switch and the presence of a logical 0 or 1 on the IC-7 inputs (SN74163). I also have a second Kenwood R-600 receiver, it is serviceable. In the board of the faulty receiver, I soldered panels for quick replacement of chips. I changed all the chips from a serviceable receiver to a faulty one, and that didn't help me either. I think I need a frequency meter to make sure where there is no signal and where it is. In addition, I measured the voltage at the control points of the DC circuit - everything is normal. I don't have a voltage on the 3 input MC4044P, it is only 0.2 V. There is no voltage at output 5 and 10, so there is always a voltage of 8.7 V. In other words, the MC4044P is a comparator, if both inputs 1 and 3 receive the same 1 MHz signal, the automatic frequency adjustment system will work. In addition, logic chips have different levels of 0 and 1. Usually a voltage level of 2.5 V is required for "1". If the voltage is lower, it will probably be "0". I will look for a solution.
Sounds like you have your hands full with that one. Good progress and sounds like you are very close to finding the culprit. Good luck and let me know how it goes
Just repaired a Kenwood R1000 and had the same loose electrolytic and a few other minor issues. The service manual has some errors and inconsistencies: e.g. usb and lsb frequencies that need to be adjusted and labeling on a connector swapped. Perhaps there are more, so just double check in case you are repairing one yourself.
I have a R-1000 that I bought used. I never knew how to adjust the band spread dial. From your video here I still didn't get it. Lol, could you tell me how to do that please? Thanks 👍
I have this receiver but it has problem in mw receiption it only heard when i touch resistors back side of Rf Att switch any one can help which component is need to be replaced.
That’s the transitions where clips are edited and joined back together. They are part of the iMovie software. Thanks for pointing it out though as it hasn’t been mentioned before.
It is starting to get pretty scarce Andrew. There are some interesting transmissions on there if you can put some time aside for a long session well into the evening. It's a hobby in itself. I don't seem to get a lot of time these days but I do enjoy a scan around the bands from time to time. Thanks for watching
@@Radiocruncher oh thank you. I am still learning about radios. If I am right the 3 x conversion gives better stability and image rejection but has a muddier audio output?
Hi Simon. I use a Global AT2000 for my receivers. I believe I bought it from Waters and Stanton many years ago. Looks like Radioworld have a used one in stock www.radioworld.co.uk/second_hand_global_at-2000_swl_atu
Shannon Volmet station. Is it Royal Air Force? 😇 I believe it is the _Irish Aviation Authority_ who runs the station, the official name is _North Atlantic Communications Centre_ 😎
The Trio R1000 is exactly the same as the Kenwood R1000. I believe Trio were slightly earlier then they rebranded to Kenwood but don't quote me on that.
Great channel .allways interesting and done in a relaxed atmosphere
Thanks Andy. Glad you like the videos. Regards Graham
The owner of this radio I am sure is well pleased. Great Job and thanks for sharing these videos.
Thanks. It did take a while to sort but got there in the end. Thanks for watching
Thank you very much ; same electrolytics ( beside amplifier , 1000 uf) had broken legs .
With this video it was easy to repair .
I’m glad the video helped. Thanks for watching
Great outcome... now the hard part, handing it back LOL
Thanks Dave. Yes I did spend a fair bit of time tuning around the bands with it. The sound was very good so the owner should get some good use out of it. Got an even older Trio coming in soon when I can get down to pick it up.
+Radiocruncher R300? QR666? I almost landed a QR666 earlier this year but lost out to someone with deeper pockets... such is life :)
Sneak preview here Dave drive.google.com/open?id=0B_u9ZkwMSVIVUUtTZlprQjVQeGs
Hi! I have a Kenwood R-600, the problem is the same. The schemes of the Kenwood R-1000 and the Kenwood R-600 are almost the same. Kenwod R-600 has a triple conversion. I removed the range switch from the board, washed it and lubricated it - but it didn't help. I replaced all the logic chips of the switch SN74163, SN7474, SN7490, SN7400, SN74112 and others - it also did not help me. My radio has three RF outputs - 10 MHz, 30 MHz and a VCO output. I am listening to 10 MHz and 30 MHz signals on another receiver, and the 2.5-3.5 MHz oscillator setting is also audible. 1 MHz signals arrive at the 1st and 3rd inputs of the MC4044P chip, one of them is quartz 1 MHz - it is available, it can also be heard. The second 1 MHz signal should come from the logic of the switch counters, there is no such signal. Therefore, there is no voltage of automatic tuning of the heterodynes at outputs 5 and 10. I think the signal is not going somewhere. First check the range switch and the presence of a logical 0 or 1 on the IC-7 inputs (SN74163). I also have a second Kenwood R-600 receiver, it is serviceable. In the board of the faulty receiver, I soldered panels for quick replacement of chips. I changed all the chips from a serviceable receiver to a faulty one, and that didn't help me either. I think I need a frequency meter to make sure where there is no signal and where it is. In addition, I measured the voltage at the control points of the DC circuit - everything is normal. I don't have a voltage on the 3 input MC4044P, it is only 0.2 V. There is no voltage at output 5 and 10, so there is always a voltage of 8.7 V. In other words, the MC4044P is a comparator, if both inputs 1 and 3 receive the same 1 MHz signal, the automatic frequency adjustment system will work. In addition, logic chips have different levels of 0 and 1. Usually a voltage level of 2.5 V is required for "1". If the voltage is lower, it will probably be "0". I will look for a solution.
Sounds like you have your hands full with that one. Good progress and sounds like you are very close to finding the culprit. Good luck and let me know how it goes
Just repaired a Kenwood R1000 and had the same loose electrolytic and a few other minor issues. The service manual has some errors and inconsistencies: e.g. usb and lsb frequencies that need to be adjusted and labeling on a connector swapped. Perhaps there are more, so just double check in case you are repairing one yourself.
Thanks Arthur and well done repairing yours
I have a R-1000 that I bought used. I never knew how to adjust the band spread dial. From your video here I still didn't get it. Lol, could you tell me how to do that please? Thanks 👍
Sorry but I can’t remember how I did it.
just hold the bezel with one hand and turn the VFO knob with the other hand, that's all 😇
I have this receiver but it has problem in mw receiption it only heard when i touch resistors back side of Rf Att switch any one can help which component is need to be replaced.
It could just be the switch contacts
Great video--really helpful. But can you do something about those brilliant white flashes? Jesus wept--I have to wear me sunnies in order to watch it!
Glad you enjoyed it an the video was helpful. Not sure what flashes you mean though
They seem to come at editing points--some kind of white flash when you fast forward or something.
That’s the transitions where clips are edited and joined back together. They are part of the iMovie software. Thanks for pointing it out though as it hasn’t been mentioned before.
Well done. Not much any SW any more is there? :(
It is starting to get pretty scarce Andrew. There are some interesting transmissions on there if you can put some time aside for a long session well into the evening. It's a hobby in itself. I don't seem to get a lot of time these days but I do enjoy a scan around the bands from time to time. Thanks for watching
Is this one better than the R2000?
@@ON5ALE-Alessio I doubt it very much as the R-2000 is triple conversion although I’ve never had one
@@Radiocruncher oh thank you. I am still learning about radios. If I am right the 3 x conversion gives better stability and image rejection but has a muddier audio output?
Graham, Can you recommend an ATU for receive only? I have a Yaesu frt7700 at home but could do with one in the workshop?
Hi Simon. I use a Global AT2000 for my receivers. I believe I bought it from Waters and Stanton many years ago. Looks like Radioworld have a used one in stock www.radioworld.co.uk/second_hand_global_at-2000_swl_atu
Cheers Graham, will check them out.
Yep, RAF Volmet.
Thanks Simon. I thought it was but had to look it up to make sure. Thanks for watching
Shannon Volmet station. Is it Royal Air Force? 😇
I believe it is the _Irish Aviation Authority_ who runs the station, the official name is _North Atlantic Communications Centre_ 😎
Is that a Kenwood you have there...
The Trio R1000 is exactly the same as the Kenwood R1000. I believe Trio were slightly earlier then they rebranded to Kenwood but don't quote me on that.
@@Radiocruncher Trio was the brand name for the japanese market. In the rest of the world it's called Kenwood.
I like my Kenny R1k very much 😎