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Electronics => Repair => Topic started by: hitecelec on October 21, 2019, 05:20:59 am

Title: Tek MDO 3012 intermittent failure
Post by: hitecelec on October 21, 2019, 05:20:59 am

hi All

unit had an intermittent problem. used to Boot up,  pass all power on self tests successfully and shot down within 5 minutes.

diagnosis- defective TOP221YN in the SMPS. Probably thermal shut down.

Unit working ok.

Hope it is useful

regards

Anand