[Techtoolslist] B&K 490 power conversion

[Douglas Gauck]

Doesn't look good:

http://antelopearcade.com/files/BK-Precision%20CRT%20Rejuvenator/B%26K_490_CRT_TESTER_REJUVENATOR_SERVICING_INFORMATION.pdf

but there's a hint that T1 (main transformer) comes in both 117V and 220V versions. Maybe the 220 you have has alternate taps.

-DrG

 
On Jul 10, 2014, at 8:01 PM, Andrew Welburn <andy at andysarcade.net> wrote:

> hi all..
> 
> I have a B&K 490, that i got in the UK, but now i've moved to the USA i need to run it on 110v...
> 
> http://www.andysarcade.net/pix/DSC_2706.JPG
> 
> The label indicates it may be switcahble internally between the two voltages.. but i opened it up and stuff is not easy to get to..
> 
> The schems in my manual only show 117vAC input, not even the 234v stated..
> 
> So.. anyone else done this? anyone seen both taps? i dont want to pull it apart further without knowing its actually possible, the frame is quite compacted with stuff.
> 
> thanks!
> 
> -- 
> Andrew Welburn
> http://www.andys-arcade.com
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