[radiotron]

Originally Posted by jr_tech

Type 5642 HV diodes:

http://www.r-type.org/exhib/aai0016.htm

Widely used in Tektronix oscilloscopes of the era, and a few TVs.

Here are a few on the 'bay:

http://www.ebay.com/sch/i.html?_trks...diode&_sacat=0

Not affiliated,
jr

if these go bad can the tv humm like its bad caps? (yes i know not to turn the tv on)