UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

Goldieoldie · 15th Dec 2020, 9:26 pm

How about a LDR or photo sensor on the ON led light or even the screen ?
Feed this into a simple circuit driving a relay for the amp.
Another idea.Use an old gash AM radio near the back of the tv.When the tv fires up the hash
out of the earphone socket rectified to drive a relay.

15th Dec 2020, 9:26 pm	#15
Goldieoldie Octode Join Date: Jul 2014 Location: Petersfield, Hampshire, UK. Posts: 1,043	Re: Advice on mains current sensing, safely How about a LDR or photo sensor on the ON led light or even the screen ? Feed this into a simple circuit driving a relay for the amp. Another idea.Use an old gash AM radio near the back of the tv.When the tv fires up the hash out of the earphone socket rectified to drive a relay.