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 Network maintenance
 Return to top of page · Post #: 1 · Written at 20:03 on 24 January 2012.
's avatar
 Administrator
 Location: Greenwich, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 4375

On Sunday, 29th January, Vintage Radio and Television will be unavailable between 09:00 and 12:00, NSW time, due to necessary server and network maintenance.

During this time there will be security updates to the server's operating system and the server will also be shifted from its primary Internet connection to the secondary as the primary connection will be transferred to a new provider in the coming weeks.

This work will ensure that this site remains available whilst one of the two connections is unavailable during the transfer to the new provider.

UPDATE: Maintenance work is complete for this week. The shift of the server did not take place as scheduled for technical reasons and will take place at a later date, to be advised.


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Brad.

A valve a day keeps the transistor away...


 Return to top of page · Post #: 2 · Written at 13:45 on 19 February 2012.
ZScan's Gravatar
 Location: Townsville, QLD.
 Member since 18 February 2012.
 Member #: 1092
 Postcount: 9

Hello from Townsville. I have an Astor GN 20007 4 band radio I found at the tip. This GN radio has valves 6AV6 and 6AQ5, 5Y3GT. I'd like to know where I can find and download an Astor GN circuit for this great radio or a spare service manual for sale for all Astor models.

I have sent emails and wrote letters to my amateur radio club in Townsville. On the Internet it said valves should be 6AN7, 6N8, 6AV6, 6AQ5 and 5Y3GT. Is that right? I need a good readable copy of total parts list for this radio. It's a good hobby as I am a pensioner. Thankyou for any help you can give. Might be a website or a link to a download.

Peter.


 Return to top of page · Post #: 3 · Written at 14:55 on 19 February 2012.
's avatar
 GTC
 Location: Sydney, NSW.
 Member since 28 January 2011.
 Member #: 823
 Postcount: 3972

.ghostwhowalks:

Brad will probably move your post and this reply to the appropriate forum.

I have the circuit schematic, parts list and alignment procedure notes for the Astor model GN 4 band receiver of 1950.

Its valve line-up is: 6J8GA, 6U7G, 6B6G, 6V6GT, 5Y3GT

If you go to your member profile and "unhide" your email address, I'll send that material to you.




 Return to top of page · Post #: 4 · Written at 14:58 on 26 February 2012.
ZScan's Gravatar
 Location: Townsville, QLD.
 Member since 18 February 2012.
 Member #: 1092
 Postcount: 9

I have bought a military radio for a song ,working tested. It's sender-empfanger rt-6241tg/prc-660tg. Elektronik service gesellschaft, gulf war year 1991. I have been told that a battery type is a cy5262t. Can we still get them in Australia or the UK, or the USA? Can I still get service a repair manual for them as well? Thankyou.


 Return to top of page · Post #: 5 · Written at 15:03 on 26 February 2012.
ZScan's Gravatar
 Location: Townsville, QLD.
 Member since 18 February 2012.
 Member #: 1092
 Postcount: 9

Hello, I have un hide my email address so people can email me with things.


 Return to top of page · Post #: 6 · Written at 00:11 on 7 March 2012.
's avatar
 Location: Wangaratta, VIC.
 Member since 21 February 2009.
 Member #: 438
 Postcount: 2730

It depends on age as to the valves as they made a few and some are not listed in AORSM's.

I have a copy of the circuit of an earlier one as I have had dealings with a couple of different ones. Some of the Astors (others eg HMV) often had similar & same circuits appear in different models.

Be careful with those I have a suspicion that they are like PYE models (they made) where the speaker transformer is inside the pan and insulated from it and not you. The frame of the speaker transformer is ALIVE and will grab you.

Someone may have considered it too big a job? A lot of Astors had the worst quality of rubber insulation that I have seen, and with the fact that all of the paper caps & electrolytics, plus a few resistors (9 in the last one) will need tossing as well as the wire. That will not take five minutes.

The new filter caps (if restoring) should not be less than 500V types.

Marc


 Return to top of page · Post #: 7 · Written at 05:43 on 7 March 2012.
's avatar
 Administrator
 Location: Greenwich, NSW.
 Member since 15 November 2005.
 Member #: 1
 Postcount: 4375

Ghostwhowalks,

Can you please put your enquiries in the General Discussion forum - the front page forum is reserved for site news.


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Brad.

A valve a day keeps the transistor away...


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