Servicing a Philips D6260 cassette recorder, an uA420B integrated circuit is involved.
Searching the net for the datasheet yields no results... Anyone?
Searching the net for the datasheet yields no results... Anyone?
The schematic lists u420b but the parts list shows u410b. The parts list is correct.
https://www.radiomuseum.org/tubes/tube_u410b.html
https://www.radiomuseum.org/tubes/tube_u410b.html
Thanks StevenOH, spot on!
Alas Bill_P, it is not the u410b, see the attachment.
Thanks anyway.
The actual problem was a gear with some broken teeth... written off.
Alas Bill_P, it is not the u410b, see the attachment.
Thanks anyway.
The actual problem was a gear with some broken teeth... written off.