EEVblog Electronics Community Forum

Electronics => Repair => Topic started by: PC-maniak on July 07, 2020, 09:47:56 pm

Title: OLD NTB 486 .. 3pin things : AU34 and CR26
Post by: PC-maniak on July 07, 2020, 09:47:56 pm

Hi, I have an old 486 laptop whose fan doesn't work and the part that controls the fan contains 3 pin components AU34 and CR26 as in the photos .. will anyone help me find out what it is? I searched everywhere.. but it doesn't make sense .. they are old parts  :-BROKE

Title: Re: OLD NTB 486 .. 3pin things : AU34 and CR26
Post by: fzabkar on July 08, 2020, 12:27:49 am

CR and AU are probably BJTs or MOSFETs.

http://www.smdmark.com/en-US/search/code?id=CR (http://www.smdmark.com/en-US/search/code?id=CR)

http://www.smdmark.com/en-US/search/code?id=AU (http://www.smdmark.com/en-US/search/code?id=AU)

Try searching for a service manual here:

https://elektrotanya.com/showresult?what=486&kategoria=&kat2=all&page=0 (https://elektrotanya.com/showresult?what=486&kategoria=&kat2=all&page=0)