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LDK-100 zener diode recognition

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Bill_6T8L

Bill_6T8L

Systems Engineer
May 3, 2021
1
GR
Hi all, nice to meet you here!
I need to identify on a LDK-100 PSU the zener diode marked (D19).

The pcb is burnt and the diode has no marking on it. As well as the R49 resistor is burnt but I suppose is 20 Ohms.

Is there any schematics for this power supply?
Could someone answer at least about diode value?

Thanks in advance all for your attention!
 
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