EEVblog #861 - Rigol DP832 PSU FAIL & REPAIR

Dave repairs his Rigol DP832 Lab Power Supply. Why did it need repairing? That's the FAIL part Rigol might want to look into... UPDATE: I have an old revision board. Newer ones contain a much beefier MOSFET: http://www.eevblog.com/forum/blog/eevblog-861-rigol-dp832-psu-fail-repair/msg897765/#msg897765 The previous DP832 Design FAIL: https://www.youtube.com/watch?v=y-KkP... Datasheet for pass transistor: http://web2.cet-mos.com/PDF/CET-MOS/TO-220-263-N/CET_CEP80N15(F).PDF Forum: http://www.eevblog.com/forum/blog/eev... EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 T-Shirts: http://teespring.com/stores/eevblog 💗 Likecoin – Coins for Likes: https://likecoin.pro/@eevblog/dil9/hcq3