Power Button not working

How to diagnose button circuit scheme ?

there five cables:

  • Vbat
  • R1
  • R2
  • R3
  • R4
  • R5

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K1-4 - i assume are navigations and volume

K5 - power?

and i need to shorten K5 with Vbat to emulate holding power button?

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Hi, I'm glad that I found your question I'm trying to do the same thing after the button on mine's suddenly stopped working. Did you find how to diagnose the circuit ?

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Hi,

Can you take a photo of the other side of these two circuit boards?

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