eddystone_radio_users : Messages : 158-218 of 3281

Another method I have used to remove the cases on the MkII style receivers
if fitted with a plinth speaker is to sit on the floor bracing my stocking
feet against the front of the speaker and pulling hard on the chrome handles
wriggle the pulling force from side to side, eg from handle to handle. If
not fitted with a speaker plinth you could make up a suitable assembly out
of wood and screw it to the underside of the receiver. Provided of course
the 840 has holes for a plinth. Never had one so don't know.

Best

Mike C

>-- Original Message --
>To: eddystone_radio_users@...
>From: "Nick Pettefar" <Nick@...>
>Date: Sun, 18 Feb 2007 05:27:03 -0000
>Subject: [eddystone_radio_users] 840C Dismantling
>Reply-To: eddystone_radio_users@...
>
>
>Hi, any pointers on how to get an 840C out of its case?  I've removed
>the four rear screws but nothing has become free or even looser.  Do I
>need a hammer and goose fat?
>
>I've posted a couple of pics in the pics section.  Nothing too exciting.
>
>Nick
>


___________________________________________________________

Tiscali Broadband only 9.99 a month for your first 3 months!
http://www.tiscali.co.uk/products/broadband/

Reply | Messages in this Topic (5)

#160

From: "g0eyo" <g0eyo@...>
Date: Sun Feb 18, 2007 11:15 pm
Subject: Re: a 940 for sale

g0eyo

Jim send me your e mail address and I will put your advert on the EUG
website (without your e mail address) and will let you know if anyone
enquires about it.

Regards

Chris G0EYO EUG Webmaster
g0eyo@...

--- In eddystone_radio_users@..., "James Turner"
<james.turner4@...> wrote:
>
>
> I have decided to sell my working, unmodified, good condition
940.   Willing to deliver within
> a radius of 50 miles from Holmfirth in West Yorkshire (specifically
HD9 2NY) This includes
> Hartshead Moor services between junctions 25 and 26 of the M62.  If
you live further away I
> guess some mutually conveneint arrangement might be worked out.
�170 o.n.o.
>

#161

From: "Nick Pettefar" <Nick@...>
Date: Mon Feb 19, 2007 12:24 am
Subject: 840C Work

pettefar

Hi, could one of you experts give me some more good advice please?

I managed to prise open my case thanks to your last good advice and
now have the receiver apart on my lounge/workshop floor.

I took some photographs and have uploaded them to the group Photos
section under my name.

Could you have a look and advise me on what maintenance work I should
do before I put it back together again please?  I have already used
Servisol on the pots and wafer and other switches and valve sockets.
What about replacing or testing any caps or other items that I should
consider?

I want to move the mains socket installed by a previous owner over a
millimetre to allow the mains plug to fit better as it is a very tight
squeeze at the moment.  This should be straightforward.

I want to fit a PL259 aerial input socket instead of the 3mm banana
plug sockets.  There are two aerial sockets, one for unbalanced and
one for balanced and I think there should be a shorting plug but that
is missing.  Which aerial socket should I connect the PL259 socket
centre to?

Am I going mad - the manual and circuit diagram talk about 8 valves
but I can only find 7!  Where is the missing valve.....?

Is there any way I could have a better tune of the 7 - 7.1 MHz amateur
band?  Could I fit a bandspread variable capacitor (air-spaced or
varicap)?

Cheers and 73s

Nick m3vow

#193

From: "merlinrail" <rkavampsev@...>
Date: Mon Mar 5, 2007 1:59 pm
Subject: MISSED MESSAGES

merlinrail

CAN ANYBODY TELL ME WHY I CAN ONLY GET UP TO MESSAGE NO 161 WHEN THERE
ARE SUPPOSED TO BE 192 MESSAGES.
AS I DONT SEEM TO RECIEVE MESSAGES COULD YOU E-MAIL ME ON
RKAVAMPSEV@...
MANY THANKS
ROY KAVANAGH
GM4VKI

Reply | Messages in this Topic (3)

#194

From: "g8dlh" <alanhall@...>
Date: Mon Mar 5, 2007 5:30 pm
Subject: Re: EC10-2 repair / earlier posts

g8dlh

Re: my earlier posts on EC10-2 / repair / low sensitivity, etc.

Following a careful complete re-alignment of the IF and front-end, it
now much healthier!
Just one cautionary comment may be of value: (those "in the know" can
ignore this).
You have to be careful (especially on the highest freq. band) to make
sure that you are calibrating the LO to the signal req'd. and not its
image. The LO tracks on the high-side (all bands), so the image will be
on the high-side - if you've got it right! Unfortunately, there is
sufficient swing on the osc. coil core and its trimmer to erroneously
tune to the image. So - use a good sig. gen. with an acccurate freq.
display and a decent attenuator (I use an HP 8640B). I found that the
correct settings corresponded to the core of the osc. coil in
the "furthest out towards you" position - i.e. NOT tuned to the image.

So, unless anybody had any further contribs. to make to this Thread -
Thread closed.

And thanks to all who provided assistance.

Al / G8DLH

#195

From: "GRAEME WORMALD" <g3ggl@...>
Date: Mon Mar 5, 2007 6:50 pm
Subject: Re: Re: EC10-2 repair / earlier posts

graemewormald

Virtually all Eddystone Rx's track on the hi side and this can be difficult, as you say. I find an invaluable aid in alignment to be a 'modern' general coverage digital rx (I use an HF150) and monitor the LO throughout alignment. 73, Graeme G3GGL

----- Original Message -----

From: g8dlh

To: eddystone_radio_users@...

Sent: Monday, March 05, 2007 5:30 PM

Subject: [eddystone_radio_users] Re: EC10-2 repair / earlier posts

Re: my earlier posts on EC10-2 / repair / low sensitivity, etc.

Following a careful complete re-alignment of the IF and front-end, it
now much healthier!
Just one cautionary comment may be of value: (those "in the know" can
ignore this).
You have to be careful (especially on the highest freq. band) to make
sure that you are calibrating the LO to the signal req'd. and not its
image. The LO tracks on the high-side (all bands), so the image will be
on the high-side - if you've got it right! Unfortunately, there is
sufficient swing on the osc. coil core and its trimmer to erroneously
tune to the image. So - use a good sig. gen. with an acccurate freq.
display and a decent attenuator (I use an HP 8640B). I found that the
correct settings corresponded to the core of the osc. coil in
the "furthest out towards you" position - i.e. NOT tuned to the image.

So, unless anybody had any further contribs. to make to this Thread -
Thread closed.

And thanks to all who provided assistance.

Al / G8DLH

#196

From: "Nick Pettefar" <Nick@...>
Date: Mon Mar 5, 2007 11:29 pm
Subject: 840C Dial Lights? Aerial Plugs (3mm)?

pettefar

Hi, did the 840C have dial lights?

Just wondering because my one doesn't.

Does anyone know of a source of good aerial plugs?  I think they are
3mm banana/wander plugs.

Nick m3vow

PS I'm looking forward to my S870 arriving so that I can begin the
restoration!

#197

From: "merlinrail" <rkavampsev@...>
Date: Tue Mar 6, 2007 9:23 am
Subject: Re: 840C Dial Lights? Aerial Plugs (3mm)?

merlinrail

--- In eddystone_radio_users@..., "Nick Pettefar"
<Nick@...> wrote:
>
> Hi, did the 840C have dial lights?
>
> Just wondering because my one doesn't.
>
> Does anyone know of a source of good aerial plugs?  I think they are
> 3mm banana/wander plugs.
>
> Nick m3vow
>
> PS I'm looking forward to my S870 arriving so that I can begin the
> restoration!
>Hi Nick
  Maplin do a good range on banana plugs in various colours at 3mm size.
Sorry cant help you with the lights.
regards
Roy Kavanagh

#198

From: "merlinrail" <rkavampsev@...>
Date: Tue Mar 6, 2007 9:42 am
Subject: Re: 840C Dial Lights? Aerial Plugs (3mm)?

merlinrail

--- In eddystone_radio_users@..., "merlinrail"
<rkavampsev@...> wrote:
>
> --- In eddystone_radio_users@..., "Nick Pettefar"
> <Nick@> wrote:
> >
> > Hi, did the 840C have dial lights?
> >
> > Just wondering because my one doesn't.
> >
> > Does anyone know of a source of good aerial plugs?  I think they
are
> > 3mm banana/wander plugs.
> >
> > Nick m3vow
> >
> > PS I'm looking forward to my S870 arriving so that I can begin the
> > restoration!
> >Hi Nick
>  Maplin do a good range on banana plugs in various colours at 3mm
size.
> Sorry cant help you with the lights.
> regards
> Roy Kavanagh
>further to my last e-mail check out maplin cat. their part number
L86AZ (red) and L87AZ ( black)
cheers
roy kavanagh

#199

From: "Nick Pettefar" <Nick@...>
Date: Tue Mar 6, 2007 10:05 am
Subject: Re: 840C Dial Lights? Aerial Plugs (3mm)?

pettefar

Roy, if you can find 3mm plugs in Maplin then you're a better chap than I.

Nick m3vow

--- In eddystone_radio_users@..., "merlinrail"
<rkavampsev@...> wrote:
>
> >Hi Nick
>  Maplin do a good range on banana plugs in various colours at 3mm size.

#200

From: "Nick Pettefar" <Nick@...>
Date: Tue Mar 6, 2007 10:10 am
Subject: Re: 840C Dial Lights? Aerial Plugs (3mm)?

pettefar

Roy, I think somehow you're missing something...

You see I am after 3mm plugs and these are 4mm plugs.  They don't fit
in the holes!

Nick m3vow

--- In eddystone_radio_users@..., "merlinrail"
<rkavampsev@...> wrote:
> >further to my last e-mail check out maplin cat. their part number
> L86AZ (red) and L87AZ ( black)

#201

From: "merlinrail" <rkavampsev@...>
Date: Tue Mar 6, 2007 1:07 pm
Subject: Re: 840C Dial Lights? Aerial Plugs (3mm)?

merlinrail

--- In eddystone_radio_users@..., "Nick Pettefar"
<Nick@...> wrote:
>
> Roy, if you can find 3mm plugs in Maplin then you're a better chap
than I.
>
> Nick m3vow
>
> --- In eddystone_radio_users@..., "merlinrail"
> <rkavampsev@> wrote:
> >
> > >Hi Nick
> >  Maplin do a good range on banana plugs in various colours at 3mm
size.
>Oops sorry Nick
will check further the other place i have bought smaller one believe
it or not was Woolworths or Squires Tools Supplies at model railway
shows i have been at.
cheers
roy kavanagh

#202

From: "Nick Pettefar" <Nick@...>
Date: Tue Mar 6, 2007 7:05 pm
Subject: EB35MK111 Woe/s

pettefar

I have just received a fairly OK looking EB35MK111 (SN 0040) which I
was ensured worked fine.  Unfortunately there are at least two faults
(or maybe they are connected).  The audio is distorted and the set
doesn't seem to be very sensitive on the FM band - the only one I've
tried so far.

When I press the AFC switch the signal is detuned and I have to turn
the tuning control to re-tune it.  I guess this isn't normal.

The dial lamps aren't working but I think that is an easy one!

Does anyone have any ideas/suggestions about this set?

Nick m3vow

#203

From: "Nigel Brereton" <nigelb@...>
Date: Tue Mar 6, 2007 7:20 pm
Subject: Wander Plugs

woodstock019

Nick, I have been after some Wander Plugs for ages. I saw some on eBay last week but they went for silly money. Put a search out on eBay, that is one way. Also look at Rallies. Best of luck. Nigel. M0FOG.

#204

From: "GRAEME WORMALD" <g3ggl@...>
Date: Tue Mar 6, 2007 8:45 pm
Subject: Re: Re: 840C Dial Lights? Aerial Plugs (3mm)?

graemewormald

Hello everybody,

The Eddystone 670C (and 840C) never had dial lamps. The reason was the risk of a short from the wiring to the adjacent pointer rails.

Unfortunately Maplin dropped the 3mm (Eddystone aerial socket size) from their catalogue a couple of years ago. The only source seems to be oddments boxes on rally stalls.

Vy 73, Graeme G3GGL.

----- Original Message -----

From: merlinrail

To: eddystone_radio_users@...

Sent: Tuesday, March 06, 2007 1:07 PM

Subject: [eddystone_radio_users] Re: 840C Dial Lights? Aerial Plugs (3mm)?

--- In eddystone_radio_users@yahoogroups.co.uk, "Nick Pettefar"
<Nick@...> wrote:
>
> Roy, if you can find 3mm plugs in Maplin then you're a better chap
than I.
>
> Nick m3vow
>
> --- In eddystone_radio_users@yahoogroups.co.uk, "merlinrail"
> <rkavampsev@> wrote:
> >
> > >Hi Nick
> > Maplin do a good range on banana plugs in various colours at 3mm
size.
>Oops sorry Nick
will check further the other place i have bought smaller one believe
it or not was Woolworths or Squires Tools Supplies at model railway
shows i have been at.
cheers
roy kavanagh

#205

From: "jwcscientific@..." <jwcscientific@...>
Date: Tue Mar 6, 2007 9:57 pm
Subject: Re: Re: 840C Dial Lights? Aerial Plugs (3mm)?

superconjacko

Hello,

Re 3mm plugs. Has anyone considered using split pins instead. I use these on my AVO CT160 valve tester and after soldering wire to the loop you can cover the non contact area with heat shrink tubing. They are avaialbel in many diameters and lenths and work fine for me. You can add a pit of spring to the contact by flexing the pin sides out.

Separately I wanted to ask Graeme if you can use the digital reciever trick when aligning second mixer/local osc cores. Is there the range on second local osc adjustment to make similar errors as on first local osc?

Mike

___________________________________________________________

Tiscali Broadband only £9.99 a month for your first 3 months! http://www.tiscali.co.uk/products/broadband/

#206

From: "GRAEME WORMALD" <g3ggl@...>
Date: Wed Mar 7, 2007 1:46 pm
Subject: Re: Re: 840C Dial Lights? Aerial Plugs (3mm)?

graemewormald

Hello Mike,

Are you talking about the model 750?

Yes, you can use the same system to align the second LO. The system is, of course, quite different from a single conversion set, but when you are setting the LO to 85kc/s above or below the first IF of 1620 kc/s it's quite possible to get in a muddle.

I would recomend the digital Rx to monitor the LO on all bands; so much quicker. Also I once found a set (840C, but same for any HF set) with the LO on the low side at 12 megs and on the high side (correctly) at 6 megs. At 9 megs it was at signal frequency! Very baffling.

Vy 73, Graeme G3GGL

----- Original Message -----

From: jwcscientific@...

To: eddystone_radio_users@...

Sent: Tuesday, March 06, 2007 9:57 PM

Subject: Re: [eddystone_radio_users] Re: 840C Dial Lights? Aerial Plugs (3mm)?

Hello,

Re 3mm plugs. Has anyone considered using split pins instead. I use these on my AVO CT160 valve tester and after soldering wire to the loop you can cover the non contact area with heat shrink tubing. They are avaialbel in many diameters and lenths and work fine for me. You can add a pit of spring to the contact by flexing the pin sides out.

Separately I wanted to ask Graeme if you can use the digital reciever trick when aligning second mixer/local osc cores. Is there the range on second local osc adjustment to make similar errors as on first local osc?

Mike

___________________________________________________________

Tiscali Broadband only £9.99 a month for your first 3 months! http://www.tiscali.co.uk/products/broadband/

#207

From: "Nick Pettefar" <Nick@...>
Date: Wed Mar 7, 2007 2:40 pm
Subject: S870 Restoration

pettefar

I am now the owner of a green S870.  Please see the pictures in the
S870 album in the Photos section of this Yahoo Group website.

Unfortunately it is in a bit of a poor condition, at least,
electronically.  I think all the mechanics are OK.

A previous owner removed all the power supply parts and re-wired it.
They also removed the rear Eddystone badge and put different knobs on.

I am looking for all of the valves!  12be6, 12ba6, 12at6, 19aq5, 35w4.
The 35w4 is missing and all the rest have been replaced by their 6.3V
heater equivalents.

The ballast resistor and mains filter are missing.

It may need a new speaker.

Does anyone have any idea of where or who to go to for these parts?

This is my first restoration so, like my S870, I am a bit green.

I am tempted to fit a 240V/110V transformer instead of the ballast
resistor if the ballast resistor isn't available.

Kind regards,

Nick m3vow

#208

From: "m0hmr" <chris@...>
Date: Thu Mar 8, 2007 3:51 pm
Subject: Re: MISSED MESSAGES

m0hmr

--- In eddystone_radio_users@..., "merlinrail"
<rkavampsev@...> wrote:
>
Dear Roy,
For some reason that I do not understand, meassages 161 to 193 have
disappeared. I can't find them elsewhere, so I'm afraid they are lost.
Chris Harmer M0HMR, moderator.

> CAN ANYBODY TELL ME WHY I CAN ONLY GET UP TO MESSAGE NO 161 WHEN THERE
> ARE SUPPOSED TO BE 192 MESSAGES.
> AS I DONT SEEM TO RECIEVE MESSAGES COULD YOU E-MAIL ME ON
> RKAVAMPSEV@...
> MANY THANKS
> ROY KAVANAGH
> GM4VKI
>

Reply | Messages in this Topic (3)

#209

From: "merlinrail" <rkavampsev@...>
Date: Thu Mar 8, 2007 6:23 pm
Subject: Re: MISSED MESSAGES

merlinrail

--- In eddystone_radio_users@..., "m0hmr" <chris@...>
wrote:
>
> --- In eddystone_radio_users@..., "merlinrail"
> <rkavampsev@> wrote:
> >
> Dear Roy,
> For some reason that I do not understand, meassages 161 to 193 have
> disappeared. I can't find them elsewhere, so I'm afraid they are
lost.
> Chris Harmer M0HMR, moderator.
>
> > CAN ANYBODY TELL ME WHY I CAN ONLY GET UP TO MESSAGE NO 161 WHEN
THERE
> > ARE SUPPOSED TO BE 192 MESSAGES.
> > AS I DONT SEEM TO RECIEVE MESSAGES COULD YOU E-MAIL ME ON
> > RKAVAMPSEV@
> > MANY THANKS
> > ROY KAVANAGH
> > GM4VKI
> >many thanks i thought for one minute i have some form of spam
filter that was stopping me receiving them
many thanks
roy kavanagh
>

Reply | Messages in this Topic (3)

#210

From: eddystone_radio_users@...
Date: Tue Mar 20, 2007 7:30 pm
Subject: New file uploaded to eddystone_radio_users

eddystone_radio_users@...

Hello,

This email message is a notification to let you know that
a file has been uploaded to the Files area of the eddystone_radio_users
group.

   File        : /Items for Sale/S940 for Sale
   Uploaded by : jimbo352000 <james.turner4@...>
   Description :

You can access this file at the URL:
http://uk.groups.yahoo.com/group/eddystone_radio_users/files/Items%20for%20Sale/\
S940%20for%20Sale

To learn more about file sharing for your group, please visit:
http://help.yahoo.com/help/uk/groups/files

Regards,

jimbo352000 <james.turner4@...>

#211

From: "prin5259" <oliver@...>
Date: Thu Mar 22, 2007 4:12 pm
Subject: 840A

prin5259

I have just purchased a 840c on ebay and I have a few problems to sort
out The main problem is the vernier dial is bent and catching,is it
possible to still get a replacement? the other problem is with the
main tuning control the knob with the flywheel attached can be pulled
out so when tuning there is so much play the control bangs against the
finger plate as you rotate the control if that makes sense,you could
pull the shaft out and tighten the grub screw but then the friction
bearing would be out of alignment with the disc.I am sure I am missing
something here and it is a simple adjustment.

Reply | Messages in this Topic (4)

#212

From: "g8guh" <gerryohara@...>
Date: Fri Mar 23, 2007 2:39 am
Subject: Re: 840A

g8guh

Hello,

Check with Ian Nutt to see if he has any vernier dials in stock
suitable for the 840C (iandcnutt@...).  It is possible to
straighten even a badly bent vernier dial (I have done this for three
sets so far), although if it has scraped against the front panel etc
so the markings have worn off it not much use doing this.  As for the
tuning knob issue, it is probably the flywheel that needs re-
positioning on the tuning shaft - access the fixing screw through the
hole on the bottom edge of the front panel casting, loosen the screw
and adjust for optimum 'feel' and only a minor amount of end-play and
then re-tighten.  For photos of all the parts and how they fit
tobether plus dismantling/re-assembly instructions, check the
restoration articles on the EUG site - although these do not cover the
840C specifically, similar designs were used in many Eddystone sets of
the valve era (check the S.750 one first).

Good luck!

73's

Gerry, G8GUH

--- In eddystone_radio_users@..., "prin5259"
<oliver@...> wrote:
>
> I have just purchased a 840c on ebay and I have a few problems to
sort
> out The main problem is the vernier dial is bent and catching,is it
> possible to still get a replacement? the other problem is with the
> main tuning control the knob with the flywheel attached can be
pulled
> out so when tuning there is so much play the control bangs against
the
> finger plate as you rotate the control if that makes sense,you could
> pull the shaft out and tighten the grub screw but then the friction
> bearing would be out of alignment with the disc.I am sure I am
missing
> something here and it is a simple adjustment.
>

Reply | Messages in this Topic (4)

#213

From: "prin5259" <oliver@...>
Date: Fri Mar 23, 2007 11:13 am
Subject: re 840A

prin5259

Thanks for that I have adjusted the fly wheel and it is silky smooth
now and in fact the vernier dial is not catching now ,I just have to
remove the glass and see if I can clean the dial

#214

From: "g8guh" <gerryohara@...>
Date: Fri Mar 23, 2007 4:21 pm
Subject: Re: re 840A

g8guh

Glad to be able to help.  Instructions for dial glass removal are
given on page 4 of the 840C manual (downloadable from the EUG site).
If you need to clean the scale plate (dial) be very careful - I
suggest using a cotton wool ball dampened with lukewarm water with a
couple of drops of detergent dissolved in it.  Very gently dab/wipe
away any grime without removing the markings...  If the scale plate is
reasonably clean however, leave it alone.  Whatever you do though, do
not use any form of solvent such as alcohol as this will very likely
damage the markings.  The glass can be cleaned with warm soapy water
and then polished up using a commercial glass cleaner.

Gerry G8GUH

--- In eddystone_radio_users@..., "prin5259"
<oliver@...> wrote:
>
> Thanks for that I have adjusted the fly wheel and it is silky smooth
> now and in fact the vernier dial is not catching now ,I just have to
> remove the glass and see if I can clean the dial
>

#215

From: Lou Blasco <radio@...>
Date: Fri Mar 30, 2007 11:53 am
Subject: New to the group

loublascoau

Hello All,

As a new member I thought I'd introduce myself. I found the EUG
website a couple of days ago and have been returning to it ever
since. I only have one Eddystone - well more accurately about 7/8ths
of a 670 - which is missing all the power supply bits and the case.
The EUG site has spurred my interest in getting it going again. My
intention is to build a conventional transformer supply onto the
chassis to replace the missing dropper/rectifier combination. No idea
about the case yet.

Regards

Lou.

#216

From: "Nick Pettefar" <Nick@...>
Date: Fri Mar 30, 2007 4:52 pm
Subject: Re: New to the group

pettefar

Hi Lou,

Welcome to the group.  It's a bit quiet here and a lot of questions go
unanswered but sometimes you strike gold!

I have a 670 with no PSU parts too.  I bought a nice small 0-55 0-55
torroid from Farnell which I mounted in my 870 after bending the metal
dropper ballast resistor shelf down and drilling a hole in it for the
torroid mount bolt.  I used one of the 0-55 outputs to power the
heaters in series (five 12V valve heaters) and connected the two
outputs together (110V) to provide the HT.  I used the original valve
diode and caps and filter choke.  You can also use a modern silicon
bridge and capacitor.

Fortunately mine had the case although someone had practiced their
paintin on it so I need to bring it back to the original colour.

There's an Ian Nutt (iandcnutt@...) on here sometimes who has some
original factory spares such as knobs.

Good luck!

Nick m3vow
840C, EB35MK3, S870 (See Photos on the group web page)

--- In eddystone_radio_users@..., Lou Blasco <radio@...>
wrote:
>
> Hello All,
>
> As a new member I thought I'd introduce myself. I found the EUG
> website a couple of days ago and have been returning to it ever
> since. I only have one Eddystone - well more accurately about 7/8ths
> of a 670 - which is missing all the power supply bits and the case.
> The EUG site has spurred my interest in getting it going again. My
> intention is to build a conventional transformer supply onto the
> chassis to replace the missing dropper/rectifier combination. No idea
> about the case yet.
>
> Regards
>
> Lou.

#217

From: Lou Blasco <radio@...>
Date: Fri Mar 30, 2007 5:57 pm
Subject: Re: Re: New to the group

loublascoau

Hi Nick,

Thanks for the good advice. Mine's missing the ballast shelf although
in some models I think the ballast was bolted to the side of the case
just behind the speaker. In any case I fashioned a plate to sit over
the gaping hole that the original choke etc occupied. You know I
didn't even think about a toroidal transformer. I was going to rewind
a small 60VA low volts job to suit. It's not original but I doubt
suitable original parts will ever turn up so this will have to do.

I'm in a bit more trouble with the case obviously. Not sure about
that one yet. I imagine that somewhere in the world there is a place
where all the missing radio cases and odd socks go to hide.

Lou.

At 02:52 31/03/2007, you wrote:
>Hi Lou,
>
>Welcome to the group.  It's a bit quiet here and a lot of questions go
>unanswered but sometimes you strike gold!
>
>I have a 670 with no PSU parts too.  I bought a nice small 0-55 0-55
>torroid from Farnell which I mounted in my 870 after bending the metal
>dropper ballast resistor shelf down and drilling a hole in it for the
>torroid mount bolt.  I used one of the 0-55 outputs to power the
>heaters in series (five 12V valve heaters) and connected the two
>outputs together (110V) to provide the HT.  I used the original valve
>diode and caps and filter choke.  You can also use a modern silicon
>bridge and capacitor.
>
>Fortunately mine had the case although someone had practiced their
>paintin on it so I need to bring it back to the original colour.
>
>There's an Ian Nutt (iandcnutt@...) on here sometimes who has some
>original factory spares such as knobs.
>
>Good luck!
>
>Nick m3vow
>840C, EB35MK3, S870 (See Photos on the group web page)
>
>--- In eddystone_radio_users@..., Lou Blasco <radio@...>
>wrote:
> >
> > Hello All,
> >
> > As a new member I thought I'd introduce myself. I found the EUG
> > website a couple of days ago and have been returning to it ever
> > since. I only have one Eddystone - well more accurately about 7/8ths
> > of a 670 - which is missing all the power supply bits and the case.
> > The EUG site has spurred my interest in getting it going again. My
> > intention is to build a conventional transformer supply onto the
> > chassis to replace the missing dropper/rectifier combination. No idea
> > about the case yet.
> >
> > Regards
> >
> > Lou.
>
>
>
>
>Yahoo! Groups Links
>
>
>

#218

From: "merlinrail" <rkavampsev@...>
Date: Sat Mar 31, 2007 9:12 am
Subject: Re: New to the group

merlinrail

--- In eddystone_radio_users@..., Lou Blasco
<radio@...> wrote:
>
> Hi Nick,
>
> Thanks for the good advice. Mine's missing the ballast shelf
although
> in some models I think the ballast was bolted to the side of the
case
> just behind the speaker. In any case I fashioned a plate to sit
over
> the gaping hole that the original choke etc occupied. You know I
> didn't even think about a toroidal transformer. I was going to
rewind
> a small 60VA low volts job to suit. It's not original but I doubt
> suitable original parts will ever turn up so this will have to do.
>
> I'm in a bit more trouble with the case obviously. Not sure about
> that one yet. I imagine that somewhere in the world there is a
place
> where all the missing radio cases and odd socks go to hide.
>
> Lou.
>
> At 02:52 31/03/2007, you wrote:
> >Hi Lou,
> >
> >Welcome to the group.  It's a bit quiet here and a lot of
questions go
> >unanswered but sometimes you strike gold!
> >
> >I have a 670 with no PSU parts too.  I bought a nice small 0-55 0-
55
> >torroid from Farnell which I mounted in my 870 after bending the
metal
> >dropper ballast resistor shelf down and drilling a hole in it for
the
> >torroid mount bolt.  I used one of the 0-55 outputs to power the
> >heaters in series (five 12V valve heaters) and connected the two
> >outputs together (110V) to provide the HT.  I used the original
valve
> >diode and caps and filter choke.  You can also use a modern silicon
> >bridge and capacitor.
> >
> >Fortunately mine had the case although someone had practiced their
> >paintin on it so I need to bring it back to the original colour.
> >
> >There's an Ian Nutt (iandcnutt@...) on here sometimes who has some
> >original factory spares such as knobs.
> >
> >Good luck!
> >
> >Nick m3vow
> >840C, EB35MK3, S870 (See Photos on the group web page)
> >
> >--- In eddystone_radio_users@..., Lou Blasco <radio@>
> >wrote:
> > >
> > > Hello All,
> > >
> > > As a new member I thought I'd introduce myself. I found the EUG
> > > website a couple of days ago and have been returning to it ever
> > > since. I only have one Eddystone - well more accurately about
7/8ths
> > > of a 670 - which is missing all the power supply bits and the
case.
> > > The EUG site has spurred my interest in getting it going again.
My
> > > intention is to build a conventional transformer supply onto the
> > > chassis to replace the missing dropper/rectifier combination.
No idea
> > > about the case yet.
> > >
> > > Regards
> > >
> > > Lou.
> >
> >
> >
> >
> >Yahoo! Groups Links
> >
> >
> >Hi all, there is also this aladin's cave of old socks and AM gear
owned by a Co called CHEVET SUPPLIES have a look at
www.chevetsupplies.co.uk. but make sure the wife has the plastic card
as it very tempting !!! you just might find an old case there
Roy Kavanagh
>