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Messages 871 - 900 of 3273   Oldest  |  < Older  |  Newer >  |  Newest
Messages 871 - 900 of 3273   Oldest  |  < Older  |  Newer >  |  Newest
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871 Martin
zaktherabbit Send Email
Aug 2, 2008
12:10 am
Hi, new to the group, ive been lurking for a while! A work colleague gave me an Eddystone EB-35 mk1 as a restoration project. MW seems to work, but most of the...
872 graemetsteel Send Email Aug 2, 2008
6:26 am
A good point re: the transformer and the posibility of other mods. I'll tread carefully. Thanks for the tip Gerry. ... set ... check it ... Eddystone ... (I ...
873 Gerry O'Hara
g8guh Send Email
Aug 2, 2008
8:19 am
Hello Martin and welcome to the Forum! I would start by contacting Ian Nutt to see if he has a replacement L6 in stock (also, he has just posted some lists of...
874 ian nutt
iannutt2 Send Email
Aug 2, 2008
3:17 pm
Martin, The coil you need is I believe part number D3518. I have these available in stock if you would like to email me directly. 73's, Ian M0ECQ To:...
875 Martin
zaktherabbit Send Email
Aug 2, 2008
8:26 pm
Hi Gerry, thanks for your reply, I have made a start, firstly giving the potentiometers and the switches a good soaking with servisol, then taking voltage ...
876 Gerry O'Hara
g8guh Send Email
Aug 3, 2008
3:14 am
Sounds good Martin - I forgot to mention the 'sharp crack on the head with the butt of a screwdriver&#39; trick! - I tried that on the OC171's in my EC10 but it...
877 Simon Buxton
vk2eii Send Email
Aug 3, 2008
1:07 pm
Hi I recently picked up a new 4-gang tuning condenser similar to that used in the 940 receiver in a box of junk parts and wondered if anyone can comment on its...
878 Gerry O'Hara
g8guh Send Email
Aug 3, 2008
3:26 pm
Hello Simon, The front-end in the 940 is quite interesting - it has a 'cascode&#39; double triode stage followed by a pentode stage. The cascode design began to...
879 Simon Buxton
vk2eii Send Email
Aug 4, 2008
2:00 pm
Hi Gerry Thanks for the explanation of the cascode. I have emailed Ian re the knobs. Simon...
880 Gambit
flamingstar666 Send Email
Aug 8, 2008
4:09 pm
Hello Group! Anyone had a problem with the BFO on an EC10 MKII? The radio has never missed a beat (so to speak) but I turned it on yesterday to listen on 80...
881 Gerry O'Hara
g8guh Send Email
Aug 8, 2008
4:47 pm
Hello Gary, I do not own a MkII EC10 but have some experience with a MkI (same BFO circuit). I would check: - ensure that the power is getting to the...
882 Gerry O'Hara
g8guh Send Email
Aug 8, 2008
4:49 pm
Of course I meant R35 (not R53!). Gerry _____ From: eddystone_radio_users@... [mailto:eddystone_radio_users@...] On Behalf Of Gerry...
883 Gambit
flamingstar666 Send Email
Aug 13, 2008
7:43 am
Hi Gerry Many thanks for the info. I shall be investigating the problem when I get a spare Saturday. The EC10 is mainly used out in the garden, which this year...
884 venkshenoi Send Email Aug 15, 2008
10:13 am
I would like to hear from anyone owning or refurbishing an Eddystone 870 to exchange notes on life of parts and availability. Venk...
885 Gerry O'Hara
g8guh Send Email
Aug 15, 2008
3:57 pm
Hello Venk, What information do you need? Ian Nutt has a stock of some Eddystone- specific parts (lists can be downloaded from the EUG site) and occasional...
886 kb1fqg Send Email Aug 15, 2008
10:08 pm
Greetings, I'm the new caretaker of an 830 that needs a new knob for the band switch. Anyone have one that they would part with? Please let me know price...
887 ian nutt
iannutt2 Send Email
Aug 15, 2008
10:15 pm
John, I have a range of spares and can assist. Please email me directly. Ian M0ECQ To: eddystone_radio_users@...: kb1fqg@...: Fri,...
888 Gerry O'Hara
g8guh Send Email
Aug 15, 2008
10:21 pm
John, Welcome to the forum. I would suggest you contact Ian Nutt (contact details on the EUG site) for the replacement knob. I purchased same for my 940 from...
889 Gambit
flamingstar666 Send Email
Aug 16, 2008
1:24 pm
Well I think the radio has a poltergeist! Checked voltages on TR6 okay. Turn radio on its front BFO works (re-check voltages TR6 - still ok). Turn radio back...
890 Gerry O'Hara
g8guh Send Email
Aug 16, 2008
3:16 pm
Gary, Did you check the TR6 voltages when the stage went off? - sounds like a mechanical fault (eg. dry joint, loose wire, metal sliver in the BFO tuning gang,...
891 Ron Curtis
trailsendradio Send Email
Aug 16, 2008
4:34 pm
Hello, John. I'm a member from the USA, and I've found radios and members to be mighty scarce on this side of the pond! I may have a knob for you, but it...
892 Gambit
flamingstar666 Send Email
Aug 16, 2008
4:38 pm
Hi Gerry Well I dunno how the BFO worked on its front but have now solved the problem, R35 had gone up in value to 54k, put a new 47k resistor in and bingo. So...
893 Gerry O'Hara
g8guh Send Email
Aug 16, 2008
5:25 pm
Good job Gary. Carbon composition resistors do tend to go high in value with age (and can become quite good noise generators per the ones in the 1st AF stage...
894 Martin
zaktherabbit Send Email
Aug 16, 2008
8:35 pm
Hi, Im in the process of restoring this set. I have today replaced all the electrolytics, but the audio output is still extremely distorted. This is on both AM...
895 Gerry O'Hara
g8guh Send Email
Aug 16, 2008
9:26 pm
Martin, I would suggest trying to isolate where the distortion is originating from: RF/if/detector or audio. Try coupling a known good audio amp/speaker to...
896 Martin
zaktherabbit Send Email
Aug 16, 2008
9:40 pm
Gerry Thanks for the advice. I think the RF/detector stages can be ruled out. The distortion is just as bad on both AM and FM, although of course now ive bust...
897 Gerry O'Hara
g8guh Send Email
Aug 16, 2008
9:48 pm
Martin, You will not hear much with the speaker connected to the volume control pot - not enough to check for distortion I suspect, and the impedance is wrong ...
898 Martin
zaktherabbit Send Email
Aug 16, 2008
10:22 pm
Im afraid not, at least nothing easily to hand. The bench isnt set up for repair work at the moment. Although i have all the parts for amps etc in front of me,...
899 Gerry O'Hara
g8guh Send Email
Aug 16, 2008
10:35 pm
Martin, Yes, that is the curse of the direct-coupled amp - one thing affects another. I recall changing whole sets of transistors in amps back in the 1970's...
900 Martin
zaktherabbit Send Email
Aug 16, 2008
10:41 pm
It is proving to be a bit of a swine! The two bias resistors proved fine out of circuit. I didnt think to check the non-electrolytics, i will do that later. Im...
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