UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - AVO VCM MK3. Meter needle not moving when switched on.

Station X · 1st Jun 2020, 12:21 pm

Something amiss there then.

What do you measure at the various taps on the transformer? As Lawrence has stated, expect 1.1 times the voltage on the switch.

EDIT.

I don't think the 0V end of the winding is connected to chassis, so you'll have to measure wrt the 0V terminal.

1st Jun 2020, 12:21 pm	#21
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,289	Re: AVO VCM MK3. Meter needle not moving when switched on. Something amiss there then. What do you measure at the various taps on the transformer? As Lawrence has stated, expect 1.1 times the voltage on the switch. EDIT. I don't think the 0V end of the winding is connected to chassis, so you'll have to measure wrt the 0V terminal. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.