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Manuals / Knight KG-670 RC/Tester PDF
« on: June 01, 2019, 03:04:01 PM »
PDF on the Knight capacitor tester
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Test Equipment / Re: SENCORE CB42
« on: May 25, 2019, 08:53:54 AM »
Start by checking voltages and AC ripple. These logic circuits require that the voltage is spot on and clean.
Also change out any electrolytic capacitors. At times I have seen the inductors on the counter board go open.
They look like little resistors.
Also change out any electrolytic capacitors. At times I have seen the inductors on the counter board go open.
They look like little resistors.
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Electronic Video Blog / Re: #119 Sencore CB42 Audio Output Repair
« on: May 25, 2019, 08:51:10 AM »
Hi,
I saw your pm today. Been very busy here.
I have yet to get back on working with one of these. Sometime in the future when time allows.
I saw your pm today. Been very busy here.
I have yet to get back on working with one of these. Sometime in the future when time allows.
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New member welcome / Re: Hi all
« on: April 27, 2019, 09:01:31 AM »
Hi Steve and welcome.
Nice setup and at times we have to do the best we can.
HF mobile can be quite fun. I had a TS-140 and home brew HF antenna and had a great time with it.
Nice setup and at times we have to do the best we can.
HF mobile can be quite fun. I had a TS-140 and home brew HF antenna and had a great time with it.
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Test Equipment / Re: Com Ser Laboratories tear down possible repair
« on: March 24, 2019, 07:42:02 AM »
Price?
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Other Electronics and repair / Re: Tek 222 Schematic
« on: March 12, 2019, 09:18:33 PM »
Thanks for sharing the videos. I added the directs to the videos in your post. I really need to get the youtube links to work by user uploads.
I may have that manual. Will look this coming week end.
I may have that manual. Will look this coming week end.
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New member welcome / Re: New Member Intro
« on: March 02, 2019, 01:41:42 PM »
Hi and welcome to the forum. Looking forward to your post.
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Parts Exchange / Re: i would like to find parts for ft 101
« on: February 25, 2019, 05:30:53 PM »
Hi William and welcome.
I get all mine from eBay. Also check out the Foxtango website.
http://foxtango.org/foxtango001.htm
I get all mine from eBay. Also check out the Foxtango website.
http://foxtango.org/foxtango001.htm
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Other Electronics and repair / MOVED: Duplexer Tuning using IFR1200S By Michael Hojnowski
« on: February 17, 2019, 09:06:24 AM »10
Electronic Video Blog / Re: Aký veľký je tento veľký zdroj údajov? Koľko údajov môžem získať.
« on: February 13, 2019, 05:26:04 AM »
Spam
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Microcontrollers / Re: transistor tester error and programming
« on: January 30, 2019, 08:23:15 PM »
Yep, so this was an upgrade.
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Basic beginner Electronics / Re: adding fuse to tube radios
« on: January 30, 2019, 08:22:28 PM »
Good question. If you pull of the specs you can maximum current draw.
The filaments will draw about 150ma when first powered up, and total will be around 30 watts of power. this is near 4 amps. So a 5 amp fuse should be ok. I like the fuse before the switch. Remember switches and short also.
The filaments will draw about 150ma when first powered up, and total will be around 30 watts of power. this is near 4 amps. So a 5 amp fuse should be ok. I like the fuse before the switch. Remember switches and short also.
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Other Electronics and repair / Re: On / Off volume switch repair? poor old hallicrafter
« on: January 27, 2019, 09:59:19 AM »Doing a restoration is not as easy as I thought. have run into some setbacks but am still going forward. had a broken knob on one of the rotary switch's and did some searching for a repair option. found a youtube video
that addressed the problem . cloning vintage knobs Wesley Treat's channel had this video.
https://www.youtube.com/watch?v=aNBHtlhlHF4 10 min. video was very cool had some things to buy but the quality of the repair and the "original " look it gives right down to the small scratches was very impressive for the do it yourself kinda person.
I agree, restorations can really be tough at times. Finding and recreating vintage parts are near to impossible. Why I never throw out old electronics.
That was an excellent video. Thank you for posting it. I never seen that one. His style is fun to watch.
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Electronic Video Blog / Re: #146 Johnson Valiant Quick Repair
« on: December 27, 2018, 08:49:38 AM »
Thanks Chuck. Always something lurking in these rigs.
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Test Equipment / Re: FeelTech / Kuman FY6600 DDS Function Arbitrary Waveform Generator repair
« on: December 27, 2018, 08:49:00 AM »
Cool deal. I think I have seen a schematic for that model. I will have to dig around.
I will get in touch with you today on the board. PM me if you do not hear anything. So busy.
I will get in touch with you today on the board. PM me if you do not hear anything. So busy.