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Forum Discussion

TKwsNi's avatar
TKwsNi
Aspirant
Jan 06, 2026

Burnt smd, need help to identify Netgear R6900v2

By mistake in emergency I inverted the polarity of the DC adapter voltage and burnt an smd and the router doesnt turn on now, there is a low frequency sound but thats it, I need to identify this smd ...
not listed
TKwsNi's avatar
TKwsNi
Aspirant
Jan 08, 2026

Nothing visible in the fcc, the internal pictures are low quality

StephenB's avatar
StephenB
Guru - Experienced User
Jan 08, 2026

Plenty of R6900v2 routers on ebay, some under $25 USD.  So maybe just buy one, and either use it instead of the one you damaged, or take off the chip you need.

  • TKwsNi's avatar
    TKwsNi
    Aspirant
    Jan 09, 2026

    I know, but i'm not in the US, buying one now is expensive for me, thats why i'm trying to repair this