SMALL UPS...

Author	Message
Grogster Admin Group Joined: 31/12/2012 Location: New Zealand Posts: 9877	Posted: 06:52am 02 Aug 2024       Hi chums.  I attach some more photos, and a close-up of the PSU output.   Volhout said   In case you plan to replace the power supply with your own design. Make sure there is an isolation between input and the 12V output. You do not want the telephone ground cable to be hard connected to the coax cables in the TV system. That would present horor ground loops all over the area. So you need a transformer based dc-dc convertor. Excellent point. Thanks.