Sennheiser NT 3-1 (Power supply) need schema or PWM marking...

[mrpl]

Hi. Need schematic (or type of PWM controller) for power supply Sennheiser NT 3-1 (see photo). Thanks for reply...

[dmeek]

The number looks to me like TH20594. I can't find a datasheet but here is a reference to a TH20594MC1.4. Hope you can read Russian.

https://radiokot.ru/forum/viewtopic....1afb5#p1051644

Scroll down for a schematic.

[mrpl]

Thank you! (Yes, i can read russian)