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Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders.

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Old 28th May 2018, 12:20 pm   #1
oscillophile
Diode
 
Join Date: May 2018
Location: Casablanca, Morroco.
Posts: 1
Default Trio CS-1830

Hi. I was reading this thread and I was wondering if someone can help me solve this problem that I have:-

https://www.vintage-radio.net/forum/...d.php?t=114750

I made this video where it shows the problem. Hope this will help to narrow down what's going on:-

https://youtu.be/uSpN-nM2llU

Thanks in advance.
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Old 17th Jul 2018, 3:17 pm   #2
1980s_john
Triode
 
Join Date: Apr 2005
Location: Ipswich, Suffolk, UK.
Posts: 11
Default Re: Trio CS-1830

Hi,

I hope you got this sorted.

Your Youtube video shows a bright spot when scope is in X-Y mode. Try moving the spot using the two position knobs (left-right and up-down arrows). In other modes the timebase drives the X (horizontal) movement of the spot, as per the 'Trio CS-1830 Oscilloscope' thread you need to set the Norm/Auto switch to Auto to get a trace with no input applied.

Regards,
John
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