EEVblog #682 - Ness D16X Alarm Panel Repair

Part teardown, part repair, Dave looks at an Australian designed and manufactured Ness D16X alarm panel that has failed. What's that smell? Can it be fixed? How do you repair solder mask on a PCB?, or add solder mask to your own home etched PCB's? And another look at PCB spark gaps. Previous PCB Spark gap video:    • EEVblog #678 - What is a PCB Spark Gap?   http://www.chemtools.com.au/ http://nesscorporation.com Datasheets: Fujitsu H8/538 http://www.hackedecu.com/wp-content/u... Holtek DTMF Receiver http://www.holtek.com/english/docum/c... Maxcap Capacitors: http://www.maxcap.com.my/guideline.html Epcos MOVs http://www.epcos.com/inf/70/db/var_11... Forum: http://www.eevblog.com/forum/blog/eev... EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel:    / eevblog2   Support the EEVblog through Patreon!   / eevblog   EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/