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Clueless[_3_] Clueless[_3_] is offline
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Default Hoseki Digital LED Clock

Hi all

I have a Hoseki Digital LED Alarm Clock Model H-5008 / 230VAC

The primary of the tiny transformer inside has gone open.

I have some similar transformers with me but I do not know what is the
output of the original transformer. There is no marking on the pcb
about the input voltage.

Is there any way to find out? Start at a low voltage with a variac
until the unit starts working?

Any help will be appreciated.

Thanks in advance