Help a newbie put a GECOPHONE 1000 into service - Page 3 - UK Vintage Radio Repair and Restoration Discussion Forum

thumpyy · 5th May 2009, 4:04 pm

Quote:

Originally Posted by Nickthedentist

The rectifier is wired in parallel with the wires to the earpiece, to prevent loud clicks.

The resistor is wired in series with the bell so that the Gecophone doesn't steal all the available ringing current, meaning that other phones on the line are more likely to ring properly than if the bell's connected directly.

Neither are important at this stage, leave them for later.

Nick.

I`m in your hands Nick

thumpyy · 5th May 2009, 4:06 pm

Quote:

Originally Posted by Nickthedentist

Take your pick from: https://www.vintage-radio.net/forum/...ad.php?t=19266

Brilliant, I like the 200 series one. But what`s my phone? please say 200 series

thumpyy · 8th May 2009, 1:31 pm

... guess what the nice postman just delivered

thumpyy · 8th May 2009, 1:52 pm

So, take the blue wire and connect it to the new transmitter?

Nickthedentist · 8th May 2009, 2:52 pm

Quote:

Originally Posted by thumpyy

It`ll have to stay dirty then.

No, the special polish I referred to previously will clean it as well as polishing.

Nickthedentist · 8th May 2009, 2:54 pm

Quote:

Originally Posted by thumpyy

So, take the blue wire and connect it to the new transmitter?

Hang on! That's not a "red 21A transmitter" at all, it's a 4T receiver

Nickthedentist · 8th May 2009, 2:56 pm

Quote:

Originally Posted by thumpyy

Brilliant, I like the 200 series one. But what`s my phone? please say 200 series

It's not, strictly speaking, but there's a lot in common.

Also, GEC would have used their own labels for non-GPO models.

Frankly, I'd use whichever you like the look of. It's not like it's a permanent modification anyway.

Nick.

thumpyy · 8th May 2009, 3:06 pm

Quote:

Originally Posted by Nickthedentist

No, the special polish I referred to previously will clean it as well as polishing.

ah that`s a relief.

thumpyy · 8th May 2009, 3:15 pm

Quote:

Originally Posted by Nickthedentist

Quote:

Originally Posted by thumpyy

Brilliant, I like the 200 series one. But what`s my phone? please say 200 series

It's not, strictly speaking, but there's a lot in common.

Also, GEC would have used their own labels for non-GPO models.

Frankly, I'd use whichever you like the look of. It's not like it's a permanent modification anyway.

Nick.

yeah, I was more curious than anything. Thanks Nick

Nickthedentist · 8th May 2009, 6:13 pm

Via PM:

Quote:

Originally Posted by thumpyy

Hi Nick, right ok I did get the red one aswell.. so that one is the transmitter? If so it doesn`t fit, just slightly too big. My head hurts

OK, great!

It's not just a drop-in replacement though. You need to do some minor modifications.

I'll post some pics after the weekend, if that's OK.

Nick.

thumpyy · 8th May 2009, 6:20 pm

Quote:

Originally Posted by Nickthedentist

OK, great!

What that my head hurts?? :p

thumpyy · 8th May 2009, 6:21 pm

Looks like if I shave the notches off round the edge it`ll fit.

Nickthedentist · 8th May 2009, 6:38 pm

Ah, Just realised your handset isn't a "normal" GPO Bakelite one, but a more modern looking one.

So you might well be right.

The guts of the transmitter (black box with two screw terminals) can be removed in seconds by flicking off the front face of the red case with your fingers. This makes it smaller, or at the very least, allows you to modify the red case without risk of damage to the works.

Then, connect it up; you may need to make up a short insulated wire to connect it to the terminals in the handset (where the original had a prong going into the central terminal).

N.

thumpyy · 8th May 2009, 7:31 pm

oki doki ,I`ll get cracking then. Have a good weekend Nick.

thumpyy · 8th May 2009, 9:41 pm

Right wasn`t enough to just shave the notches but managed to get it to fit.

Does this look OK? Tried it wired both ways round and it doesn`t seem to matter either way. You can hear your own voice through the receiver though, I guess that`s what the green things for?

thumpyy · 13th May 2009, 10:22 pm

Can I get some help with this please...

Nickthedentist · 13th May 2009, 10:26 pm

Help in what sense? I'm not really sure what's wrong.

Cheers,
Nick.

thumpyy · 13th May 2009, 10:29 pm

An answer to my question above would be good Nick.

Nickthedentist · 13th May 2009, 10:33 pm

If you mean...

Quote:

Originally Posted by thumpyy

Does this look OK?

then yes, it does.

If not, please elaborate.

thumpyy · 13th May 2009, 10:50 pm

You mentioned those two things in the picture earlyer and said we`de get to them later..

When talking on the phone you can hear your voice in the receiver, the speaker bit. I guess that`s not normal and adding one of those two bits in the picture will help. Is this correct and how do I add them?

Thanks for your help.

8th May 2009, 1:31 pm	#43
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service ... guess what the nice postman just delivered

8th May 2009, 1:52 pm	#44
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service So, take the blue wire and connect it to the new transmitter? Attached Thumbnails

8th May 2009, 6:21 pm	#52
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service Looks like if I shave the notches off round the edge it`ll fit.

8th May 2009, 6:38 pm	#53
Nickthedentist Dekatron Join Date: Jan 2005 Location: Oxford, UK. Posts: 17,846	Re: Help a newbie put a GECOPHONE 1000 into service Ah, Just realised your handset isn't a "normal" GPO Bakelite one, but a more modern looking one. So you might well be right. The guts of the transmitter (black box with two screw terminals) can be removed in seconds by flicking off the front face of the red case with your fingers. This makes it smaller, or at the very least, allows you to modify the red case without risk of damage to the works. Then, connect it up; you may need to make up a short insulated wire to connect it to the terminals in the handset (where the original had a prong going into the central terminal). N.

8th May 2009, 7:31 pm	#54
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service oki doki ,I`ll get cracking then. Have a good weekend Nick.

8th May 2009, 9:41 pm	#55
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service Right wasn`t enough to just shave the notches but managed to get it to fit. Does this look OK? Tried it wired both ways round and it doesn`t seem to matter either way. You can hear your own voice through the receiver though, I guess that`s what the green things for? Attached Thumbnails

13th May 2009, 10:22 pm	#56
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service Can I get some help with this please...

13th May 2009, 10:26 pm	#57
Nickthedentist Dekatron Join Date: Jan 2005 Location: Oxford, UK. Posts: 17,846	Re: Help a newbie put a GECOPHONE 1000 into service Help in what sense? I'm not really sure what's wrong. Cheers, Nick.

13th May 2009, 10:29 pm	#58
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service An answer to my question above would be good Nick.

13th May 2009, 10:50 pm	#60
thumpyy Retired Dormant Member Join Date: Mar 2008 Location: west midlands Posts: 42	Re: Help a newbie put a GECOPHONE 1000 into service You mentioned those two things in the picture earlyer and said we`de get to them later.. When talking on the phone you can hear your voice in the receiver, the speaker bit. I guess that`s not normal and adding one of those two bits in the picture will help. Is this correct and how do I add them? Thanks for your help.