KX-T: kxtd 408 voltage spike on digital circuit

[Larry]

Lancia Ersatzteilservice C.C. wrote:
define dead?

Is the 18 dc still on the digital pair (yl-bk)?

If the dc is still there, the pulse transformer is the next likely to 
fail. 


> I noticed now that on another extension, the digital part is now totally
> dead.
>
> Who has any experience in the extension board and its hardware,
> to pinpoint where the possible hardware fault could be ?
>
> Felix
>
>
>
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