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Offline gert humanTopic starter
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« on: January 02, 2021, 07:45:45 am »
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Hi Guys  I have a vintage Questar (Savo Scotland) (one button) metal detector that I would like to bring back to life. The circuit board inside is missing a transistor and some of the wiring came loose from the board. What are my chances in finding a diagram indicating part needed and wiring connections. This is a very basic detector and if any electronic boffin or owner of one of these can advise me how to go about in reviving this MD
I would appreciate  the info very much.

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Offline nickel_n
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« Reply #1 on: January 02, 2021, 01:52:05 pm »
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welcome to the forum
i cant say that i know the detector.
it may be known with a different name in other parts of the world.
it will be a good idea if you post  photos including the pcb board (both sides),and the coil.
someone will know about it
as a new member you need to have 25 posts (i think)before you are able to post pics.
From Melbourne Australia




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Offline nickel_n
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« Reply #2 on: January 11, 2021, 11:55:56 pm »
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i am not sure if you are receiving my pm
send me a pm with your email address
i may have some something that can help Smiley


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« Reply #3 on: January 12, 2021, 01:36:04 pm »
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I have acquired one of these too (I live about an hour from where the factory was - can hardly believe it was apparently still manufacturing until last year!)  I could probably get pictures of the circuit board for you if necessary.

I know nothing about detecting but would like to give it a go - does anyone know if this detector is worth bothering with or whether I should just buy something modern?

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« Reply #4 on: January 12, 2021, 02:46:11 pm »
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this one i suppose



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« Reply #5 on: January 12, 2021, 03:12:31 pm »
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Quote:Posted by AK48
this one i suppose


Yes, that's the one.  Not certain of the age, but pretty sure it's from the 80s at least.  Is it likely to locate anything other than old tins?

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Offline AK48
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« Reply #6 on: January 12, 2021, 03:45:02 pm »
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good evening, sorry but I do not know this detector, I just had the photos because I collect the photos of vintage detectors , but you can show us pics of mainboard to see what could be the issue
regards

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Offline gert humanTopic starter
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« Reply #7 on: January 19, 2021, 11:51:28 pm »
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Hi thank you for your reply. I tried to take a photo of board and it does not appear clear to see the problem I am trying to redraw the pcb with coral draw and I will put it out there to see if somebody can recognise the problem and missing part and connections.
Thanks
Gert

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