DSM-G600, DNS-3xx and NSA-220 Hack Forum

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#1 2020-11-27 17:31:52

kassisto
New member
Registered: 2020-11-27
Posts: 4

Repair the on/off switch

Hello everyone,
I'm trying to find where the on/off switch wiring goes on the DNS-323.
I broke the siwtch and tried to replace it. I managed to screw the annular ring on the (+) of the switch while desoldering the broken one.
So i try to find where i need to connect it somewhere else on the board. If anyone can give me a clue, i'll be very happy.
Thanks

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#2 2021-01-25 17:03:14

maathieu
Member
Registered: 2021-01-02
Posts: 7

Re: Repair the on/off switch

Not sure if it can help but this page has info on how the switch is connected to the GPIO board: http://dns323.kood.org/hardware:gpio

You might want to check also this page: http://dns323.kood.org/hardware:autopoweron where they play around with the connectors to get the DNS323 to power on automatically.

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#3 2021-01-26 11:17:29

kassisto
New member
Registered: 2020-11-27
Posts: 4

Re: Repair the on/off switch

Hello,
Thanks for your answer.
I already took a look before your answer, but i'm not sure about what to do with it.
To any usefull end, here's the motherboard
http://gofile.me/6BXIs/LYQCtc9ZB

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#4 2021-01-27 13:23:26

maathieu
Member
Registered: 2021-01-02
Posts: 7

Re: Repair the on/off switch

Is it possible to have a photo of the back side of your mother board?

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#5 2021-01-28 12:14:22

kassisto
New member
Registered: 2020-11-27
Posts: 4

Re: Repair the on/off switch

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#6 2021-02-01 12:47:33

maathieu
Member
Registered: 2021-01-02
Posts: 7

Re: Repair the on/off switch

Nah, sorry... I checked on mine, it seems that the electronic board is multi-layered and I do not know where the switch contacts go. When I use a voltmeter on the switch, I notice there is a 120kOhm resistance when the switch is released, and it goes down to 0 when it is pressed; so maybe if you can check the onboard resistors and see if you can find the 120k resistor, then you have a lead to where to solder new connections (provided the switch does not lead straight to the UC...).

Otherwise, maybe it is possible to "salvage" the contacts following the instructions of this guy there: https://www.youtube.com/watch?v=xty1G5UBYb0

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#7 2021-02-18 16:11:32

maathieu
Member
Registered: 2021-01-02
Posts: 7

Re: Repair the on/off switch

So @kassisto, did you manage to rewire your switch after all? Post pics if you did, it may help other people smile

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#8 2021-02-18 21:26:32

kassisto
New member
Registered: 2020-11-27
Posts: 4

Re: Repair the on/off switch

Sorry, didn't get the time to tackle that particuliar problem. I manage to get back by data. Putting this old nas all together isn't my top priority now, but i'll do it and post about it one day

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