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WANTED: Precedent 3 in 1 1960 Pot Switch
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Return to top of page · Post #: 1 · Written at 7:25:28 PM on 21 April 2019.
	Arcadus Location: Nildottie, SA Member since 7 April 2018 Member #: 2236 Postcount: 43
I have acquired this recently. The record changer has now been cleaned, etc and works well. The television has been cleaned but not attempted yet as I will service the radio first. The radio on/off switch (combined with the tone control) has burnt out and needs to be replaced. I haven't found anything with this combination- twin 5K linear and rotary switch. Anyone know where I can find something like this please.

Return to top of page · Post #: 2 · Written at 7:46:18 PM on 21 April 2019.
	GTC Location: Sydney, NSW Member since 28 January 2011 Member #: 823 Postcount: 6761
Very hard to find pots with switches these days. Here's one with 1/4 inch and 1/8 inch shafts: https://www.elliottelectronicsupply.com/potentiometers/dual-gang/dual-gang-potentiometer-with-switch-linear-1-4-inch-contols-front-1-8-inch-shaft-controls-rear-and-switch.html

Return to top of page · Post #: 3 · Written at 8:19:21 PM on 21 April 2019.
	Arcadus Location: Nildottie, SA Member since 7 April 2018 Member #: 2236 Postcount: 43
That was fast, thanks. I could modify that as a single operation.

Return to top of page · Post #: 4 · Written at 9:21:04 AM on 22 April 2019.
	Labrat Location: Penrith, NSW Member since 7 April 2012 Member #: 1128 Postcount: 385
The switch pot is almost certainly a Ducon brand pot. It was very common to just replace the switch on the back. Back when I did in-house service, I carried half a dozen rebuilt switch backs in my toolbox.

Return to top of page · Post #: 5 · Written at 7:21:18 PM on 22 April 2019.
	Brad Administrator Location: Naremburn, NSW Member since 15 November 2005 Member #: 1 Postcount: 7395
Photos uploaded. ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ A valve a day keeps the transistor away...

Return to top of page · Post #: 6 · Written at 11:13:43 AM on 23 April 2019.
	Arcadus Location: Nildottie, SA Member since 7 April 2018 Member #: 2236 Postcount: 43
The switch appears to be spotwelded to the previous housing.

Return to top of page · Post #: 7 · Written at 5:46:33 PM on 23 April 2019.
	Labrat Location: Penrith, NSW Member since 7 April 2012 Member #: 1128 Postcount: 385
Release the tags to remove the switch assembly, which also covers the rear pot section. Then you will see the end of the shaft with the protrusion that operates the switch. The switch section and cover are changed as a single piece. Wayne.

Return to top of page · Post #: 8 · Written at 7:17:50 PM on 24 April 2019.
	Arcadus Location: Nildottie, SA Member since 7 April 2018 Member #: 2236 Postcount: 43
Ok I will do that. It's a lot easier to find a single gang pot.

Return to top of page · Post #: 9 · Written at 8:56:08 PM on 29 April 2019.
	Vintage Pete Location: Albury, NSW Member since 1 May 2016 Member #: 1919 Postcount: 2048
This model was also sold with a Pye badge and a STC badge...I have owned them before, 59 ,60 the chassis looked similar to a 263 but more basic and about a month ago there was one for sale in Lavington near Albury, NSW.

Return to top of page · Post #: 10 · Written at 6:25:43 AM on 30 April 2019.
	Arcadus Location: Nildottie, SA Member since 7 April 2018 Member #: 2236 Postcount: 43
The radio is marked as M659. There was a sticker in the TV that read model 459. I haven't found any reference to that anywhere.

Return to top of page · Post #: 11 · Written at 9:50:42 AM on 30 April 2019.
	MonochromeTV Location: Melbourne, VIC Member since 20 September 2011 Member #: 1009 Postcount: 1208
Just for the record this model is a 1959 Precedent "Boston 229". I will post here both the radiogram & TV chassis schematics. Precedent 459 Circuit Diagram Precedent 659 Circuit Diagram

Return to top of page · Post #: 12 · Written at 7:35:20 PM on 1 May 2019.
	Brad Administrator Location: Naremburn, NSW Member since 15 November 2005 Member #: 1 Postcount: 7395
Documents uploaded to Post 11. ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ A valve a day keeps the transistor away...

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